Instructables: exploring - technology - dc - popular http://www.instructables.com Sat, 10 Dec 2016 05:10:35 PST BLOX v1.01 Drawing Plotter http://www.instructables.com/id/Drawing-Plotter/
Drawing Plotter - More DIY How To Projects]]> https://cdn.instructables.com/FD2/9X74/IW6PLGDJ/FD29X74IW6PLGDJ.SQUARE2.jpg https://cdn.instructables.com/FD2/9X74/IW6PLGDJ/FD29X74IW6PLGDJ.SQUARE.jpg https://cdn.instructables.com/FD2/9X74/IW6PLGDJ/FD29X74IW6PLGDJ.SMALL.jpg TheSuperSewcio. Welcome to my Instructable!Please, if you like it vote for me in the contest!Here I'll show you how to make 2 axis, gcode controlled drawing plotter.I've already made a delta 3D printer which is awesome, the only thing that wasn't made by me was the Arduino program. This program was very long and co...
By: TheSuperSewcio.

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Sun, 4 Dec 2016 08:00:45 PST
Raspberry Pi Surveillance Rover (Land Drone) http://www.instructables.com/id/Raspberry-Pi-Surveillance-Drone-Land/
Raspberry Pi Surveillance Rover (Land Drone) - More DIY How To Projects]]> https://cdn.instructables.com/F4G/PQ7T/IV0AOCUB/F4GPQ7TIV0AOCUB.SQUARE2.jpg https://cdn.instructables.com/F4G/PQ7T/IV0AOCUB/F4GPQ7TIV0AOCUB.SQUARE.jpg https://cdn.instructables.com/F4G/PQ7T/IV0AOCUB/F4GPQ7TIV0AOCUB.SMALL.jpg DavidDrones Ever wanted to have a surveillance drone to monitor your surroundings? Of course you have! Using a Raspberry Pi for the on-board logic, this compact, mobile computer, will create a local port that streams a video in real-time while simultaneously creating Bluetooth sockets to read values sent by a ...
By: DavidDrones

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Sun, 6 Nov 2016 08:21:50 PST
Power Your Drill With A Computer Power Supply! http://www.instructables.com/id/What-To-Do-With-A-Drill-That-Has-A-Dead-Battery-Ad/
Power Your Drill With A Computer Power Supply! - More DIY How To Projects]]> https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SQUARE2.jpg https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SQUARE.jpg https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SMALL.jpg Yonatan24 Slowly and sadly my drill battery died.Drill batteries cost more than $2I thought of the fact that I never need It to be portable because my dad has a killer Dewalt drill that's almost too powerful and scary to use...This gave me a pretty obvious idea: Why not power it with power from a regular wall...
By: Yonatan24

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Fri, 7 Aug 2015 16:58:44 PDT
Simple controllers for DC motors (inc PWM) inertia and braking (sim) http://www.instructables.com/id/Simple-controllers-for-DC-motors-inc-PWM-inertia/
Simple controllers for DC motors (inc PWM) inertia and braking (sim) - More DIY How To Projects]]> https://cdn.instructables.com/F0C/2CFM/G91YH2V6/F0C2CFMG91YH2V6.SQUARE2.jpg https://cdn.instructables.com/F0C/2CFM/G91YH2V6/F0C2CFMG91YH2V6.SQUARE.jpg https://cdn.instructables.com/F0C/2CFM/G91YH2V6/F0C2CFMG91YH2V6.SMALL.jpg marshon Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:'Table Normal'; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:''; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin...
By: marshon

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Tue, 11 May 2010 19:32:35 PDT
How to Harvest Power from an Audio Jack http://www.instructables.com/id/How-to-Harvest-Power-from-an-Audio-Jack/
How to Harvest Power from an Audio Jack - More DIY How To Projects]]> https://cdn.instructables.com/FP9/4ZXW/HFSHV2WP/FP94ZXWHFSHV2WP.SQUARE2.jpg https://cdn.instructables.com/FP9/4ZXW/HFSHV2WP/FP94ZXWHFSHV2WP.SQUARE.jpg https://cdn.instructables.com/FP9/4ZXW/HFSHV2WP/FP94ZXWHFSHV2WP.SMALL.jpg SelkeyMoonbeam We are making a circuit which harvests power from an audio jack. The growing prevalence of smartphones, even in developing regions of the world, means that using an audio jack for power could meaningfully impact individuals the world over by providing a small source of DC power. What You Need To...
By: SelkeyMoonbeam

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Tue, 7 May 2013 16:05:54 PDT
Powering Lenovo Thinkpad with Dell power supply http://www.instructables.com/id/Powering-Lenovo-Thinkpad-with-Dell-power-supply/
Powering Lenovo Thinkpad with Dell power supply - More DIY How To Projects]]> https://cdn.instructables.com/F7A/J7OJ/H6I6W5OC/F7AJ7OJH6I6W5OC.SQUARE2.jpg https://cdn.instructables.com/F7A/J7OJ/H6I6W5OC/F7AJ7OJH6I6W5OC.SQUARE.jpg https://cdn.instructables.com/F7A/J7OJ/H6I6W5OC/F7AJ7OJH6I6W5OC.SMALL.jpg frickelkram When coming home from a job at a customers site at weekend, I realized that I forgot to take the power adapter of my Thinkpad W510 with me. I had to finish the work and needed some power source. Luckily I had a Dell power supply, but unfortuantely the dc jacks where different. Having a look at the ...
By: frickelkram

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Thu, 30 Aug 2012 12:49:03 PDT
From Old Motors Into Signal Booster http://www.instructables.com/id/From-Old-Motors-Into-Signal-Booster/
From Old Motors Into Signal Booster - More DIY How To Projects]]> https://cdn.instructables.com/F79/7LUB/IQFFBW2H/F797LUBIQFFBW2H.SQUARE2.jpg https://cdn.instructables.com/F79/7LUB/IQFFBW2H/F797LUBIQFFBW2H.SQUARE.jpg https://cdn.instructables.com/F79/7LUB/IQFFBW2H/F797LUBIQFFBW2H.SMALL.jpg balsuryana Do you have old dc motors / any motors? don't throw them! lets recycle it! Lets make a signal booster!! For:PhoneSmartphonesModemWifi& anythingSimple to make, Super signal booster, easy to use and carry, light and thin, And many more.Suitable for use when an adventure, because the signal will weaken...
By: balsuryana

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Sun, 10 Jul 2016 08:44:49 PDT
PWM with Arduino - step by step guide http://www.instructables.com/id/PWM-with-Arduino-step-by-step-guide/
PWM with Arduino - step by step guide - More DIY How To Projects]]> https://cdn.instructables.com/F2D/SI1M/GVZQ6F4A/F2DSI1MGVZQ6F4A.SQUARE2.jpg https://cdn.instructables.com/F2D/SI1M/GVZQ6F4A/F2DSI1MGVZQ6F4A.SQUARE.jpg https://cdn.instructables.com/F2D/SI1M/GVZQ6F4A/F2DSI1MGVZQ6F4A.SMALL.jpg jgrecoarroyo Small step by step guide on how to use the PWM (Pulse Width Modulation) of the Arduino board. The video includes the components needed and an easy to follow connection guide, as well as a demo of the results obtained. The code is also included. Try it out yourself, enjoy! :D
By: jgrecoarroyo

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Sat, 10 Dec 2011 15:19:56 PST
Cellphone Operated Robot http://www.instructables.com/id/Cellphone-Operated-Robot-1/
Cellphone Operated Robot - More DIY How To Projects]]> https://cdn.instructables.com/FSS/OOYH/GKS0TDG4/FSSOOYHGKS0TDG4.SQUARE2.jpg https://cdn.instructables.com/FSS/OOYH/GKS0TDG4/FSSOOYHGKS0TDG4.SQUARE.jpg https://cdn.instructables.com/FSS/OOYH/GKS0TDG4/FSSOOYHGKS0TDG4.SMALL.jpg Avadhut.Deshmukh This Instructible is entered in the Category: 13 - 18 of the National Robotics Week Robot Contest MY URL-http://avadhutelectronics.blogspot.com/ MY Email-avadhut.deshmukh@gmail.com                                                                        Component Required Component Require...
By: Avadhut.Deshmukh

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Sun, 6 Mar 2011 05:34:48 PST
Passive high- and low-pass filters http://www.instructables.com/id/Passive-high-and-low-pass-filters/
Passive high- and low-pass filters - More DIY How To Projects]]> https://cdn.instructables.com/FIQ/R6DU/H9G0LQJ7/FIQR6DUH9G0LQJ7.SQUARE2.jpg https://cdn.instructables.com/FIQ/R6DU/H9G0LQJ7/FIQR6DUH9G0LQJ7.SQUARE.jpg https://cdn.instructables.com/FIQ/R6DU/H9G0LQJ7/FIQR6DUH9G0LQJ7.SMALL.jpg Jakob2803 This is a short guide to passive high- and low-pass filters, explaining what they do and what to use them for. The passive filters are easy to construct and require only simple components. Circuit construction Both filters consist of a capacitor and a resistor - the difference is the placement o...
By: Jakob2803

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Tue, 20 Nov 2012 10:50:29 PST
DC motor as a generator http://www.instructables.com/id/DC-motor-as-a-generator/
DC motor as a generator - More DIY How To Projects]]> https://cdn.instructables.com/FKE/EQIP/H4AGIR4F/FKEEQIPH4AGIR4F.SQUARE2.jpg https://cdn.instructables.com/FKE/EQIP/H4AGIR4F/FKEEQIPH4AGIR4F.SQUARE.jpg https://cdn.instructables.com/FKE/EQIP/H4AGIR4F/FKEEQIPH4AGIR4F.SMALL.jpg Husham Samir The DC motor is a ready made generator that will generate electricity. All that you have to do is turn the Axle of the generator using a mechanical outside source of energy . To show that I dismantled a damaged HP printer and take  the  DC motor that responsible for paper out shown in pictures and ...
By: Husham Samir

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Tue, 10 Jul 2012 09:10:03 PDT
Control ANY light or electrical appliance with you tablet or smartphone (wifi) http://www.instructables.com/id/How-to-Hack-Your-Hot-Girlfriends-Nightlight-With-Y/
Control ANY light or electrical appliance with you tablet or smartphone (wifi) - More DIY How To Projects]]> https://cdn.instructables.com/F8S/9Z1J/INYTZSP8/F8S9Z1JINYTZSP8.SQUARE2.jpg https://cdn.instructables.com/F8S/9Z1J/INYTZSP8/F8S9Z1JINYTZSP8.SQUARE.jpg https://cdn.instructables.com/F8S/9Z1J/INYTZSP8/F8S9Z1JINYTZSP8.SMALL.jpg Ruben Marc Speybrouck Control ANY light or electrical appliance with you tablet or smartphone (wifi) using arduino, blynk and a wemos / ESP8266 boardIn this tutorial we will be making something I call a wifi controlled ac switch. (But it also works for DC applications that are powered by a wall outlet) Basically we will ...
By: Ruben Marc Speybrouck

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Fri, 6 May 2016 05:02:40 PDT
Arduino Bluetooth Controled RC Car http://www.instructables.com/id/Arduino-Bluetooth-Controled-RC-Car/
Arduino Bluetooth Controled RC Car - More DIY How To Projects]]> https://cdn.instructables.com/FCO/BN0N/IHGJXG0X/FCOBN0NIHGJXG0X.SQUARE2.jpg https://cdn.instructables.com/FCO/BN0N/IHGJXG0X/FCOBN0NIHGJXG0X.SQUARE.jpg https://cdn.instructables.com/FCO/BN0N/IHGJXG0X/FCOBN0NIHGJXG0X.SMALL.jpg Dzefri In this instructable I am going to show you how to make Bluetooth controled car with 2 DC motors. Materials Materials:1.2x DC motor2.L298N (motor controler)3.Arduino Uno (or clone)4.HC-05 (bluetooth module) Chassis Editing I cut off Middle plastic part and replaced it with wood, then I added 4...
By: Dzefri

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Thu, 26 Nov 2015 16:21:44 PST
Repair DC Power Jack Problem on Laptop using Modem Port http://www.instructables.com/id/Permanent-Repair-for-Recurring-DC-Power-Jack-Probl/
Repair DC Power Jack Problem on Laptop using Modem Port - More DIY How To Projects]]> https://cdn.instructables.com/FGZ/EN8F/FOVXPCAT/FGZEN8FFOVXPCAT.SQUARE2.jpg https://cdn.instructables.com/FGZ/EN8F/FOVXPCAT/FGZEN8FFOVXPCAT.SQUARE.jpg https://cdn.instructables.com/FGZ/EN8F/FOVXPCAT/FGZEN8FFOVXPCAT.SMALL.jpg teatimest I fixed the laptop power jack once with non-destructive method.Yes, I fixed it. After three months, I heard some noise from behind the laptop.Oh my.... again?When I wiggled the connector, it sometimes worked.As before, it finally stopped working.I had to open and re-solder the power plug.That happen...
By: teatimest

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Sat, 27 Dec 2008 23:29:44 PST
AC to DC Conversion http://www.instructables.com/id/AC-to-DC-Conversion/
AC to DC Conversion - More DIY How To Projects]]> https://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SQUARE2.jpg https://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SQUARE.jpg https://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SMALL.jpg brmarcum Every once in a while I come up with an idea for a circuit or device that has applications where a battery may not be the best or most convenient option for a power supply. One example is the Motion Activated AC Switch that I built. Since I was wanting to have the switch open a relay to allow AC cur...
By: brmarcum

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Tue, 1 Jul 2014 14:24:04 PDT
Two Simple Robots With 1 DC Motor (No Soldering) http://www.instructables.com/id/Two-Simple-Robots-With-1-DC-Motor-No-Soldering/
Two Simple Robots With 1 DC Motor (No Soldering) - More DIY How To Projects]]> https://cdn.instructables.com/FAN/EZKD/H0OJ1UDO/FANEZKDH0OJ1UDO.SQUARE2.jpg https://cdn.instructables.com/FAN/EZKD/H0OJ1UDO/FANEZKDH0OJ1UDO.SQUARE.jpg https://cdn.instructables.com/FAN/EZKD/H0OJ1UDO/FANEZKDH0OJ1UDO.SMALL.jpg Zaphod Beetlebrox DC motors are great because they don't have polarity and they don't require any additional components (resistors, diodes) to operate, just hook them up to a battery and voila. The National Robotics Week Contest caught my attention,so I decided to see what sort of robots I could make without any sold...
By: Zaphod Beetlebrox

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Sat, 14 Apr 2012 16:30:39 PDT
The Introduction of XL6009 Step-up Power Module DC-DC Converter http://www.instructables.com/id/The-Introduction-of-XL6009-Step-up-Power-Module-DC/
The Introduction of XL6009 Step-up Power Module DC-DC Converter - More DIY How To Projects]]> https://cdn.instructables.com/FC3/0UR8/HQCPML31/FC30UR8HQCPML31.SQUARE2.jpg https://cdn.instructables.com/FC3/0UR8/HQCPML31/FC30UR8HQCPML31.SQUARE.jpg https://cdn.instructables.com/FC3/0UR8/HQCPML31/FC30UR8HQCPML31.SMALL.jpg ICStation ICStation team have developed this new product-XL6009 Step-up Power Module recently.We share the knowledge of this product in details and show you the actual testing results with the digital storage oscilloscope.You could find the information about applicable occasion, feature,function,diagram, and ...
By: ICStation

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Sun, 12 Jan 2014 22:57:03 PST
Portable Adjustable Mini Powersupply http://www.instructables.com/id/Portable-Adjustable-Mini-Powersupply/
Portable Adjustable Mini Powersupply - More DIY How To Projects]]> https://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SQUARE2.jpg https://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SQUARE.jpg https://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SMALL.jpg Mixed Output A BIG HELLO! and welcome to Mixed Outputs first instructable.As most of my project involve electronics of some sort, having a good power supply is essential to be able to meet the demand of different power requirements. So I built me a bench-top power supply from an old ATX power supply Unit (PSU) t...
By: Mixed Output

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Tue, 8 Mar 2016 03:52:02 PST
Vibrating Motors http://www.instructables.com/id/Vibrating-Motors/
Vibrating Motors - More DIY How To Projects]]> https://cdn.instructables.com/F8Q/U83U/GV2OKKPD/F8QU83UGV2OKKPD.SQUARE2.jpg https://cdn.instructables.com/F8Q/U83U/GV2OKKPD/F8QU83UGV2OKKPD.SQUARE.jpg https://cdn.instructables.com/F8Q/U83U/GV2OKKPD/F8QU83UGV2OKKPD.SMALL.jpg randofo A vibrating motor is essentially a motor that is improperly balanced. In other words, there is an off-centered weight attached to the motor's rotational shaft that causes the motor to wobble. The amount of wobble can be changed by the amount of weight that you attach, the weight's distance from the ...
By: randofo

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Wed, 11 Apr 2012 07:59:08 PDT
DC-to-DC Converter http://www.instructables.com/id/DC-to-DC-Converter/
DC-to-DC Converter - More DIY How To Projects]]> https://cdn.instructables.com/FIR/K0YA/FTVVI1QI/FIRK0YAFTVVI1QI.SQUARE2.jpg https://cdn.instructables.com/FIR/K0YA/FTVVI1QI/FIRK0YAFTVVI1QI.SQUARE.jpg https://cdn.instructables.com/FIR/K0YA/FTVVI1QI/FIRK0YAFTVVI1QI.SMALL.jpg scd I built this DC-to-DC converter for my 48V electric bike because I wanted to be able to plug-in some common 12V accessories, e.g. my cell-phone charger, or a GPS unit. Schematic Here's the schematic. The cap values are somewhat flexible depending on how much ripple you can tolerate. Be sure to ...
By: scd

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Thu, 23 Apr 2009 22:59:51 PDT
Variable DC Power Supply for <$15 http://www.instructables.com/id/Variable-DC-Power-Supply-for-15/
Variable DC Power Supply for <$15 - More DIY How To Projects]]> https://cdn.instructables.com/FA6/60TA/FABDYTNY/FA660TAFABDYTNY.SQUARE2.jpg https://cdn.instructables.com/FA6/60TA/FABDYTNY/FA660TAFABDYTNY.SQUARE.jpg https://cdn.instructables.com/FA6/60TA/FABDYTNY/FA660TAFABDYTNY.SMALL.jpg icinnamon Variable DC power supplies are critical to many electronics projects. You'll never have to go out and buy dozens of different single-voltage power supplies or battery configurations with this new unit. Professional units can cost hundreds of dollars, but now you can make one for less than $15! ...
By: icinnamon

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Thu, 20 Dec 2007 14:29:02 PST
Tower Pro SG 90 Micro Servo Hack http://www.instructables.com/id/Tower-Pro-SG-90-Micro-Servo-Hack/
Tower Pro SG 90 Micro Servo Hack - More DIY How To Projects]]> https://cdn.instructables.com/FJQ/FAV5/HIGFAYJN/FJQFAV5HIGFAYJN.SQUARE2.jpg https://cdn.instructables.com/FJQ/FAV5/HIGFAYJN/FJQFAV5HIGFAYJN.SQUARE.jpg https://cdn.instructables.com/FJQ/FAV5/HIGFAYJN/FJQFAV5HIGFAYJN.SMALL.jpg arduinodude11 Hi there! This instructable contains the comprehensive instructions of how you can hack a tower pro SG 90 micro servo for continuous rotation.  Why? Micro servos can be used as robot wheels and are more convenient for such applications. This is due to the fact that micro servos have a certain figu...
By: arduinodude11

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Sun, 30 Jun 2013 08:51:38 PDT
The Introduction of LM2596 Step Down Power Module DC-DC Converter http://www.instructables.com/id/The-Introduction-of-LM2596-Step-Down-Power-Module-/
The Introduction of LM2596 Step Down Power Module DC-DC Converter - More DIY How To Projects]]> https://cdn.instructables.com/FS8/3LXC/HQ4QH6W4/FS83LXCHQ4QH6W4.SQUARE2.jpg https://cdn.instructables.com/FS8/3LXC/HQ4QH6W4/FS83LXCHQ4QH6W4.SQUARE.jpg https://cdn.instructables.com/FS8/3LXC/HQ4QH6W4/FS83LXCHQ4QH6W4.SMALL.jpg ICStation ICStation Team share this LM2596 Step Down Power Module with you in details. We will introduce the features,scope of application,diagram,and testing results.We use the digital storage oscilloscope to test the module and show you the actual testing results with pictures.You will have a full understan...
By: ICStation

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Tue, 7 Jan 2014 01:28:38 PST
555 DC Motor Speed Control http://www.instructables.com/id/555-DC-Motor-Speed-Control/
555 DC Motor Speed Control - More DIY How To Projects]]> https://cdn.instructables.com/F61/GRTE/HK6XAXIY/F61GRTEHK6XAXIY.SQUARE2.jpg https://cdn.instructables.com/F61/GRTE/HK6XAXIY/F61GRTEHK6XAXIY.SQUARE.jpg https://cdn.instructables.com/F61/GRTE/HK6XAXIY/F61GRTEHK6XAXIY.SMALL.jpg gavargas This is a pretty cool circuit that allows you to control the speed a DC motor of considerable size! This circuit was made as part of the Jameco and Instructables Hacknight Hosted by H3 Laboratories in El Paso Texas Jameco sent us a grab bag of awesome components that we put into use right away! Bi...
By: gavargas

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Sun, 25 Aug 2013 21:13:29 PDT
How to control a DC motor to run in both directions http://www.instructables.com/id/How-to-control-a-DC-motor-to-run-in-both-direction/
How to control a DC motor to run in both directions - More DIY How To Projects]]> https://cdn.instructables.com/F0G/GTP1/FI42NCL4/F0GGTP1FI42NCL4.SQUARE2.jpg https://cdn.instructables.com/F0G/GTP1/FI42NCL4/F0GGTP1FI42NCL4.SQUARE.jpg https://cdn.instructables.com/F0G/GTP1/FI42NCL4/F0GGTP1FI42NCL4.SMALL.jpg Artificial Intelligence Those H-bridges are very useful and smart, but if you just want to control the direction of the motor with a switch (manually), there is a much simpler and cheaper alternative.This little circuit is perfect for newbies. I've known this circuit for several years now, but I didn't got the idea of post...
By: Artificial Intelligence

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Tue, 1 Jul 2008 04:40:47 PDT
How to build a 24V Power Supply from 2 ATX PSU http://www.instructables.com/id/Two-ATX-PSU-One-juiced-24-V-DC-PSU/
How to build a 24V Power Supply from 2 ATX PSU - More DIY How To Projects]]> https://cdn.instructables.com/FM1/6OZ7/GO5IHLLF/FM16OZ7GO5IHLLF.SQUARE2.jpg https://cdn.instructables.com/FM1/6OZ7/GO5IHLLF/FM16OZ7GO5IHLLF.SQUARE.jpg https://cdn.instructables.com/FM1/6OZ7/GO5IHLLF/FM16OZ7GO5IHLLF.SMALL.jpg Zilver Two ATX PSU = One juiced DIY 24 Volt DC Power SupplyBefore we get going, i have to make it clear that this is by no means the safest solution, and that might even be and under estimation. I am no expert, and copying my steps is at your own cost. If you are in doubt don't try it. Introduction:This is...
By: Zilver

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Wed, 25 May 2011 13:56:46 PDT
DC Boost Converter http://www.instructables.com/id/DC-Boost-Converter/
DC Boost Converter - More DIY How To Projects]]> https://cdn.instructables.com/FD6/5PSH/GC4GD7LP/FD65PSHGC4GD7LP.SQUARE2.jpg https://cdn.instructables.com/FD6/5PSH/GC4GD7LP/FD65PSHGC4GD7LP.SQUARE.jpg https://cdn.instructables.com/FD6/5PSH/GC4GD7LP/FD65PSHGC4GD7LP.SMALL.jpg krmartin3 My first intention was to design a DC Voltage boost converter to convert 3vdc to 5vdc so that I could power my iPod or any other device requiring 5 volts to charge.  I read about oscillation circuits and boost converter circuits and combined the two.  My results were staggering when I was able to co...
By: krmartin3

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Sun, 1 Aug 2010 22:06:22 PDT
Passive Filter Circuits http://www.instructables.com/id/Passive-Filter-Circuits/
Passive Filter Circuits - More DIY How To Projects]]> https://cdn.instructables.com/F2S/I5P3/HEXS4M6T/F2SI5P3HEXS4M6T.SQUARE2.jpg https://cdn.instructables.com/F2S/I5P3/HEXS4M6T/F2SI5P3HEXS4M6T.SQUARE.jpg https://cdn.instructables.com/F2S/I5P3/HEXS4M6T/F2SI5P3HEXS4M6T.SMALL.jpg nyc640 This instructable is intended to show you how to make several different filter circuits, in particular, low pass and high pass filters, along with a discussion of notch/trap filters and bandpass filters. What are Filters? So what is a filter and why would you ever want to build one? Well, yo...
By: nyc640

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Tue, 2 Apr 2013 03:13:46 PDT
Choosing Greener Power Supplies http://www.instructables.com/id/Choosing-Greener-Power-Supplies/
Choosing Greener Power Supplies - More DIY How To Projects]]> https://cdn.instructables.com/FTX/JDQB/IDBHXG6Q/FTXJDQBIDBHXG6Q.SQUARE2.jpg https://cdn.instructables.com/FTX/JDQB/IDBHXG6Q/FTXJDQBIDBHXG6Q.SQUARE.jpg https://cdn.instructables.com/FTX/JDQB/IDBHXG6Q/FTXJDQBIDBHXG6Q.SMALL.jpg Jer_Faludi Saving energy is awesome! Choosing greener power supplies can make your geekadelic project more sustainable in one fell swoop.If you want to save energy when building your new computer, robot, or other gizmo, there's one really easy way to make all of your electronics better: Buy an "80 Plus" certif...
By: Jer_Faludi

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Fri, 14 Aug 2015 06:50:45 PDT
Obstacle Avoiding Robot http://www.instructables.com/id/Arduino-Ultimate-Obstacle-Avoiding-Robot/
Obstacle Avoiding Robot - More DIY How To Projects]]> https://cdn.instructables.com/FOH/SENN/I5S2FEXR/FOHSENNI5S2FEXR.SQUARE2.jpg https://cdn.instructables.com/FOH/SENN/I5S2FEXR/FOHSENNI5S2FEXR.SQUARE.jpg https://cdn.instructables.com/FOH/SENN/I5S2FEXR/FOHSENNI5S2FEXR.SMALL.jpg RoyPeer This instructable is the written version of my "Arduino: How To Build An Obstacle Avoiding Robot" Youtube video that I've uploaded recently. I strongly recommend you to check it out.So, without further ado, Let's get started ! A chassis ! the first step and the base of any robot is a chassis. ...
By: RoyPeer

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Thu, 5 Feb 2015 13:15:37 PST
12v to USB adapter \ 12v to 5v transformer (great for cars) http://www.instructables.com/id/12v-to-USB-adapter-12v-to-5v-transformer-great-/
12v to USB adapter \ 12v to 5v transformer (great for cars) - More DIY How To Projects]]> https://cdn.instructables.com/FOF/LS8N/G69MVF8R/FOFLS8NG69MVF8R.SQUARE2.jpg https://cdn.instructables.com/FOF/LS8N/G69MVF8R/FOFLS8NG69MVF8R.SQUARE.jpg https://cdn.instructables.com/FOF/LS8N/G69MVF8R/FOFLS8NG69MVF8R.SMALL.jpg MakinThings This will show you how to make a 12v to USB (5v) adapter. The most obvious use of this is for 12v car adapters, but anywhere you have 12v you can use it! If you need 5v for anything other than USB, simply skip the steps about adding the USB ports ;) Material You will need an inline f...
By: MakinThings

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Sat, 6 Mar 2010 20:35:12 PST
Control DC and stepper motors with L298N Dual Motor Controller Modules and Arduino http://www.instructables.com/id/Control-DC-and-stepper-motors-with-L298N-Dual-Moto/
Control DC and stepper motors with L298N Dual Motor Controller Modules and Arduino - More DIY How To Projects]]> https://cdn.instructables.com/F7D/J0WE/I36LH0ER/F7DJ0WEI36LH0ER.SQUARE2.jpg https://cdn.instructables.com/F7D/J0WE/I36LH0ER/F7DJ0WEI36LH0ER.SQUARE.jpg https://cdn.instructables.com/F7D/J0WE/I36LH0ER/F7DJ0WEI36LH0ER.SMALL.jpg tronixlabs You don’t have to spend a lot of money to control motors with an Arduino or compatible board. After some hunting around we found a neat motor control module based on the L298N H-bridge IC that can allows you to control the speed and direction of two DC motors, or control one bipolar stepper motor wi...
By: tronixlabs

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Tue, 25 Nov 2014 04:53:20 PST
DC-AC 12V -110V/220V 500W or more inverter http://www.instructables.com/id/DC-AC-12V-110V220V-500W-or-more-inverter/
DC-AC 12V -110V/220V 500W or more inverter - More DIY How To Projects]]> https://cdn.instructables.com/FM4/K33Z/G33OXOJL/FM4K33ZG33OXOJL.SQUARE2.jpg https://cdn.instructables.com/FM4/K33Z/G33OXOJL/FM4K33ZG33OXOJL.SQUARE.jpg https://cdn.instructables.com/FM4/K33Z/G33OXOJL/FM4K33ZG33OXOJL.SMALL.jpg jerpelea i have constructed this inverter to charge my EV i have 12V DC from solar pannels and i need to recharge my 120V battery pack so i needed an voltage inverter after buying one i have tested it and it blowed in 2 hours so i started building one myself using the ferite transformer and rewired it for ...
By: jerpelea

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Sun, 13 Dec 2009 07:05:04 PST
How to make a vibrating motor. http://www.instructables.com/id/How-to-make-a-vibrating-motor./
How to make a vibrating motor. - More DIY How To Projects]]> https://cdn.instructables.com/FDN/SDNE/K1HEUK7R4SD/FDNSDNEK1HEUK7R4SD.SQUARE2.jpg https://cdn.instructables.com/FDN/SDNE/K1HEUK7R4SD/FDNSDNEK1HEUK7R4SD.SQUARE.jpg https://cdn.instructables.com/FDN/SDNE/K1HEUK7R4SD/FDNSDNEK1HEUK7R4SD.SMALL.jpg randofo Sometimes you need a vibrating motor but just don't have a spare massager on hand to take apart. This usually leaves you with three options: 1. You can buy one online from your favorite electronics site (but this will cost you an arm and a leg). 2. You can take your chances with a massager from th...
By: randofo

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Wed, 15 Nov 2006 16:21:26 PST
Benchtop DC Power Supply http://www.instructables.com/id/Benchtop-DC-Power-Supply/
Benchtop DC Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SQUARE2.jpg https://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SQUARE.jpg https://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SMALL.jpg lawrence.esterlen This has been done probably hundreds of times here on Instructables, but I think that this is a great starter project for anyone interested in getting into electronics as a hobby. I am a U.S. Navy Electronics Technician, and even with costly test equipment at my disposal, I still consider this cheap...
By: lawrence.esterlen

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Thu, 11 Jun 2015 16:57:37 PDT
DIY Power Bank for Smatphone with USB DC 0.9V to 5V Voltage Step-up Boost Module http://www.instructables.com/id/DIY-Power-Bank-for-Smatphone-with-USB-DC-09V-to-5V/
DIY Power Bank for Smatphone with USB DC 0.9V to 5V Voltage Step-up Boost Module - More DIY How To Projects]]> https://cdn.instructables.com/FQ4/9UQA/I8BGNOH8/FQ49UQAI8BGNOH8.SQUARE2.jpg https://cdn.instructables.com/FQ4/9UQA/I8BGNOH8/FQ49UQAI8BGNOH8.SQUARE.jpg https://cdn.instructables.com/FQ4/9UQA/I8BGNOH8/FQ49UQAI8BGNOH8.SMALL.jpg joulethief669 DIY Power Bank for Smatphone with USB DC 0.9V to 5V Voltage Step-up Boost Module and TP4056 1A Li-Ion battery Charging Module, Box toy, cells laptop 18650, and few time holiday, Do it very easy and nice work and cheap, You can try do it !!!!!!!More DIY External Power Bank Backup Battery for Smart P...
By: joulethief669

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Sun, 12 Apr 2015 01:36:45 PDT
BYJ48 Stepper Motor http://www.instructables.com/id/BYJ48-Stepper-Motor/
BYJ48 Stepper Motor - More DIY How To Projects]]> https://cdn.instructables.com/FRW/XF7G/HMMF4YR8/FRWXF7GHMMF4YR8.SQUARE2.jpg https://cdn.instructables.com/FRW/XF7G/HMMF4YR8/FRWXF7GHMMF4YR8.SQUARE.jpg https://cdn.instructables.com/FRW/XF7G/HMMF4YR8/FRWXF7GHMMF4YR8.SMALL.jpg Mohannad Rawashdeh Stepper Motor  is a motor controlled by a series of electromagnetic coils. The center shaft has a series of magnets mounted on it, and the coils surrounding the shaft are alternately given current or not, creating magnetic fields which repulse or attract the magnets on the shaft, causing the motor t...
By: Mohannad Rawashdeh

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Sun, 20 Oct 2013 15:18:35 PDT
Glove Box Gadget Mini Cellphone Charger http://www.instructables.com/id/Glove-Box-Gadget-Mini-Cellphone-Charger/
Glove Box Gadget Mini Cellphone Charger - More DIY How To Projects]]> https://cdn.instructables.com/FQQ/4CBL/I0HZ2HAE/FQQ4CBLI0HZ2HAE.SQUARE2.jpg https://cdn.instructables.com/FQQ/4CBL/I0HZ2HAE/FQQ4CBLI0HZ2HAE.SQUARE.jpg https://cdn.instructables.com/FQQ/4CBL/I0HZ2HAE/FQQ4CBLI0HZ2HAE.SMALL.jpg mp 15-22 Here's a instructible I put together that is very handy and portable. Also going to post it to the contest glovebox gadgets because that's where I keep mine for emergency. If I forget to plug my phone in while on the road and I have to stop in somewhere for awhile I'll take it and my cable drop the ...
By: mp 15-22

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Sun, 28 Sep 2014 18:26:00 PDT
ATtiny85 POV Display http://www.instructables.com/id/ATtiny8545-POV-Display/
ATtiny85 POV Display - More DIY How To Projects]]> https://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SQUARE2.jpg https://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SQUARE.jpg https://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SMALL.jpg vishalapr The first time I saw a POV (Persistence Of Vision) display was on a show called FAQ on TV. The POV display consisted of an oscillating shaft with 6 LED's mounted on the end of the shaft. Since then I have always wanted to make one myself, I tried making one about 2 months ago with an oscillating sha...
By: vishalapr

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Mon, 9 Jun 2014 01:02:10 PDT
DC-DC HV Boost Converter http://www.instructables.com/id/DC-DC-HV-Boost-Converter/
DC-DC HV Boost Converter - More DIY How To Projects]]> https://cdn.instructables.com/FPM/YBNS/FWA98LI3/FPMYBNSFWA98LI3.SQUARE2.jpg https://cdn.instructables.com/FPM/YBNS/FWA98LI3/FPMYBNSFWA98LI3.SQUARE.jpg https://cdn.instructables.com/FPM/YBNS/FWA98LI3/FPMYBNSFWA98LI3.SMALL.jpg rwilsford07 Operation and Electronics Intro How Does A Boost Converter Work? Basic Principal: A boost converter works in two stages, ON and OFF. In the ON stage the Semi-conductive Switch is conducting and current builds up in the inductor producing an electromagnetic field, this field stores energy. In the...
By: rwilsford07

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Sat, 20 Jun 2009 12:13:20 PDT
littleBits Sample Rotator http://www.instructables.com/id/littleBits-Sample-Rotator/
littleBits Sample Rotator - More DIY How To Projects]]> https://cdn.instructables.com/F7V/01WO/HQQLL298/F7V01WOHQQLL298.SQUARE2.jpg https://cdn.instructables.com/F7V/01WO/HQQLL298/F7V01WOHQQLL298.SQUARE.jpg https://cdn.instructables.com/F7V/01WO/HQQLL298/F7V01WOHQQLL298.SMALL.jpg KRA5H In this Instructable I demonstrate how to build a sample rotator using Erector set parts and littleBits. The sample rotator, or media rotator "is a common piece of standard laboratory equipment that is used for continuous mixing of lab samples, for example for slowly reacting or dissolving component...
By: KRA5H

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Thu, 23 Jan 2014 08:16:31 PST
wall transformer for project power supply http://www.instructables.com/id/wall-transformer-for-project-power-supply/
wall transformer for project power supply - More DIY How To Projects]]> https://cdn.instructables.com/F3O/EDU9/7HFEYF7IF12/F3OEDU97HFEYF7IF12.SQUARE2.jpg https://cdn.instructables.com/F3O/EDU9/7HFEYF7IF12/F3OEDU97HFEYF7IF12.SQUARE.jpg https://cdn.instructables.com/F3O/EDU9/7HFEYF7IF12/F3OEDU97HFEYF7IF12.SMALL.jpg connors934 Wondering what to do with those old wall transformers? Use them for power supplies to run electronics projects! You will need some of these: power supply (go with a junker) Alligator clips with plastic boots wire strippers or cutters needlenose pliers multimeter some tape pen about 10 minutes Yo...
By: connors934

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Thu, 22 Feb 2007 22:43:47 PST
$1.50 Arduino TV Annoyer!! (Turns TVs on when you want them off) http://www.instructables.com/id/150-Arduino-TV-Annoyer-Turns-TVs-on-when-you-/
$1.50 Arduino TV Annoyer!! (Turns TVs on when you want them off) - More DIY How To Projects]]> https://cdn.instructables.com/F4Y/QT5L/H52FXKOO/F4YQT5LH52FXKOO.SQUARE2.jpg https://cdn.instructables.com/F4Y/QT5L/H52FXKOO/F4YQT5LH52FXKOO.SQUARE.jpg https://cdn.instructables.com/F4Y/QT5L/H52FXKOO/F4YQT5LH52FXKOO.SMALL.jpg xBacon Hey Arduino fans! Here is an 'ible for making a device that turns TVs on when you want them off, and off then you want them on! If you hide it in something inconspicuous, it would make a great April Fools joke or gag gift. And the best part is that the total parts cost is less than $1.50!! (Assumin...
By: xBacon

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Wed, 1 Aug 2012 11:06:25 PDT
Very simple PWM with 555...Modulate every thing http://www.instructables.com/id/Very-simple-PWM-with-555Modulate-every-thing/
Very simple PWM with 555...Modulate every thing - More DIY How To Projects]]> https://cdn.instructables.com/FJY/N047/FOHTTXT3/FJYN047FOHTTXT3.SQUARE2.jpg https://cdn.instructables.com/FJY/N047/FOHTTXT3/FJYN047FOHTTXT3.SQUARE.jpg https://cdn.instructables.com/FJY/N047/FOHTTXT3/FJYN047FOHTTXT3.SMALL.jpg shams Note:Any one can ask me for help.Don't comment me on my spelling and grammar.......Because my mother language isn't english.OK LETS GO and also plz plz rate my instructable well Hi every one.Today i'll show you how to make a PWM(pulse width modulat...
By: shams

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Fri, 12 Dec 2008 22:44:15 PST
hack that battery pack! ( also, a small lesson in series, parallel, and series-parallel) http://www.instructables.com/id/hack-that-battery-pack-also-a-small-lesson-in-/
hack that battery pack! ( also, a small lesson in series, parallel, and series-parallel) - More DIY How To Projects]]> https://cdn.instructables.com/FGP/73W5/HK6XDCHV/FGP73W5HK6XDCHV.SQUARE2.jpg https://cdn.instructables.com/FGP/73W5/HK6XDCHV/FGP73W5HK6XDCHV.SQUARE.jpg https://cdn.instructables.com/FGP/73W5/HK6XDCHV/FGP73W5HK6XDCHV.SMALL.jpg out-of-the-box (be sure to check out the last step for some updated info and a how to for this method using 4 batteries, using four would increase the life span. i had to use three for the sake of saving space.) hack that battery pack!! we have all seen those 4 double a battery holders sold at radioshack, online,...
By: out-of-the-box

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Sat, 17 Aug 2013 15:19:07 PDT
THE EXTREMELY SIMPLE DIGITAL DC-DC POWER SUPPLY! http://www.instructables.com/id/THE-EXTREMELY-SIMPLE-DIGITAL-DC-DC-POWER-SUPPLY/
THE EXTREMELY SIMPLE DIGITAL DC-DC POWER SUPPLY! - More DIY How To Projects]]> https://cdn.instructables.com/FOY/V59U/GP7IF64J/FOYV59UGP7IF64J.SQUARE2.jpg https://cdn.instructables.com/FOY/V59U/GP7IF64J/FOYV59UGP7IF64J.SQUARE.jpg https://cdn.instructables.com/FOY/V59U/GP7IF64J/FOYV59UGP7IF64J.SMALL.jpg EngineeringShock Hello Instructables Community!                             LET'S BUILD A DIGITAL DC-DC POWER SUPPLY TOGETHER! Before we get started, let me tell you a little about this kit.  I have a digital DC-DC power suppy that I use daily.  However, it cost a bunch of money that I didn't want to spend and...
By: EngineeringShock

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Sat, 25 Jun 2011 14:57:14 PDT
GUIDE TO LED PROJECTS http://www.instructables.com/id/GUIDE-TO-LED-PROJECTS/
GUIDE TO LED PROJECTS - More DIY How To Projects]]> https://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SQUARE2.jpg https://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SQUARE.jpg https://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SMALL.jpg Dipankar INTRO. I had to do this project for many of my young friends who are interested in LED’s but do not know how to go about it. I also had the same problem but was fortunate enough to get HELP from my friends at www.Instructables.com. This is not about any calculation or study but a set of proven ru...
By: Dipankar

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Sun, 30 Jun 2013 06:06:25 PDT
Easy DC Motor Controller http://www.instructables.com/id/Easy-DC-Motor-Controller/
Easy DC Motor Controller - More DIY How To Projects]]> https://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE2.jpg https://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE.jpg https://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SMALL.jpg mgingerich If you're building a robot or other microcontrolled gadget, you will need to drive DC motors forwards and backwards. In this instructable, I'll demonstrate a simple and inexpensive circuit that controls a DC motor from two I/O pins. It requires no integrated circuits, and uses commonly available par...
By: mgingerich

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Mon, 27 May 2013 19:02:40 PDT
Make cool gadgets from a deceased fluorescent lamp http://www.instructables.com/id/Make-cool-gadgets-from-a-deceased-fluorescent-lamp/
Make cool gadgets from a deceased fluorescent lamp - More DIY How To Projects]]> https://cdn.instructables.com/FZR/140Y/FMEGEWU2/FZR140YFMEGEWU2.SQUARE2.jpg https://cdn.instructables.com/FZR/140Y/FMEGEWU2/FZR140YFMEGEWU2.SQUARE.jpg https://cdn.instructables.com/FZR/140Y/FMEGEWU2/FZR140YFMEGEWU2.SMALL.jpg unknownpocketnerd Do you have some deceased fluorescent lamps? If Yes, then you might still recycle some of its guts to fashion some simple yet usable circuits. Car to portable MP3 player power supply The first gadget is a 12 V to 1.8 V power supply, also known as step down or buck dc-dc converter. These type of ...
By: unknownpocketnerd

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Fri, 17 Oct 2008 11:48:49 PDT
High efficiency regulated Joule thief http://www.instructables.com/id/High-efficiency-regulated-Joule-thief/
High efficiency regulated Joule thief - More DIY How To Projects]]> https://cdn.instructables.com/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SQUARE2.jpg https://cdn.instructables.com/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SQUARE.jpg https://cdn.instructables.com/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SMALL.jpg Milen      Normally the Joule thief produces output voltage, which value is difficult to predict. Without load (the LED) I have measured voltages over 30 V. I wanted to create a Joule thief, which can be used to supply some small electronic devices, but having well defined and stable output voltage. There...
By: Milen

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Thu, 9 May 2013 14:24:03 PDT