Instructables: exploring - technology - electronics - light http://www.instructables.com Sun, 20 Apr 2014 11:56:08 PDT BLOX v1.01 555 PWM Controller http://www.instructables.com/id/555-PWM-Controller/
555 PWM Controller - More DIY How To Projects]]> http://cdn.instructables.com/FPJ/E6TV/HU842VZX/FPJE6TVHU842VZX.SQUARE2.jpg http://cdn.instructables.com/FPJ/E6TV/HU842VZX/FPJE6TVHU842VZX.SQUARE.jpg http://cdn.instructables.com/FPJ/E6TV/HU842VZX/FPJE6TVHU842VZX.SMALL.jpg jjveleber The following instructions are intended to guide the assembly of a kit project you may have purchased from me at a Maker Faire or that you put together yourself here: Components & PCB. The purpose of this project is to learn a bit about hobby electronics, teach yourself some soldering and have u...
By: jjveleber

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Sun, 20 Apr 2014 09:13:22 PDT
Attiny25/45/85 Police Light, with Arduino! http://www.instructables.com/id/Attiny254585-Police-Light-with-Arduino/
Attiny25/45/85 Police Light, with Arduino! - More DIY How To Projects]]> http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SQUARE2.jpg http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SQUARE.jpg http://cdn.instructables.com/F7W/5DW6/HU6RYU20/F7W5DW6HU6RYU20.SMALL.jpg Jan_Henrik Hello, in this project I want to show you how to build a multi functional Police Light with a Attiny25/45/85 . It will have serval animations , which can be changed with a button on the circuit board, it has 2 channels, which can be controlled with PWM. That allows us to add serval animations or po...
By: Jan_Henrik

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Sat, 19 Apr 2014 07:19:46 PDT
Wake Up Light 10+ Watt LED http://www.instructables.com/id/Wake-Up-Light-10-Watt-LED/
Wake Up Light 10+ Watt LED - More DIY How To Projects]]> http://cdn.instructables.com/F8H/7Z29/HTS5CJKX/F8H7Z29HTS5CJKX.SQUARE2.jpg http://cdn.instructables.com/F8H/7Z29/HTS5CJKX/F8H7Z29HTS5CJKX.SQUARE.jpg http://cdn.instructables.com/F8H/7Z29/HTS5CJKX/F8H7Z29HTS5CJKX.SMALL.jpg The Freak This instructables is an extention of the Sunrise Alarm Clock http://www.instructables.com/id/Sunrise-Alarm-Clock-1/ by http://www.instructables.com/member/DIY+Hacks+and+How+Tos/. Credits for the original idea and circuit go to that member. I merely adapted it to my needs and materials at hand. The ...
By: The Freak

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Tue, 8 Apr 2014 17:01:53 PDT
All Hardware - HW Light Patterns http://www.instructables.com/id/All-Hardware-HW-Light-Patterns/ http://cdn.instructables.com/FDY/STM5/HT9AX5CT/FDYSTM5HT9AX5CT.SQUARE2.jpg http://cdn.instructables.com/FDY/STM5/HT9AX5CT/FDYSTM5HT9AX5CT.SQUARE.jpg http://cdn.instructables.com/FDY/STM5/HT9AX5CT/FDYSTM5HT9AX5CT.SMALL.jpg misperry In this video we will be experimenting with creating light patterns using only hardware.  We will be using (2) LM555 Timers and (1) 74HC595 Shift Register chip. Checkout the Forum!! http://themagicsmoke.proboards.com/ Follow me on youtube http://www.youtube.com/misperry Follow me on Twitter http:...
By: misperry

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Thu, 27 Mar 2014 07:53:49 PDT
LED Floaties (in water!) http://www.instructables.com/id/LED-Water-Floaties/
LED Floaties (in water!) - More DIY How To Projects]]> http://cdn.instructables.com/FMN/O63Z/HS0D963G/FMNO63ZHS0D963G.SQUARE2.jpg http://cdn.instructables.com/FMN/O63Z/HS0D963G/FMNO63ZHS0D963G.SQUARE.jpg http://cdn.instructables.com/FMN/O63Z/HS0D963G/FMNO63ZHS0D963G.SMALL.jpg liza.stark Originally conceived of and deployed by the Graffiti Research Lab, LED Throwies are a cheap, quick way to create glowing orbs of goodness that stick to any ferro-magnetic surface. Since the parts are inexpensive and the concept is easily grasped, this is a great first electronics project or a fun ...
By: liza.stark

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Mon, 24 Feb 2014 13:19:12 PST
low frequency audio amplifier using the LM386 http://www.instructables.com/id/low-frequency-audio-amplifier-using-the-LM386/
low frequency audio amplifier using the LM386 - More DIY How To Projects]]> http://cdn.instructables.com/FNQ/SWV2/HR4SWC46/FNQSWV2HR4SWC46.SQUARE2.jpg http://cdn.instructables.com/FNQ/SWV2/HR4SWC46/FNQSWV2HR4SWC46.SQUARE.jpg http://cdn.instructables.com/FNQ/SWV2/HR4SWC46/FNQSWV2HR4SWC46.SMALL.jpg Er Varun Goyal The integrated chip LM386 is a low power audio frequency amplifier requiring a low level power supply . The IC is designed to deliver a voltage amplification of 20 without external add-on parts. But this voltage gain can be raised up to 200 (Vu = 200) by adding external parts. soo today i am goin...
By: Er Varun Goyal

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Tue, 4 Feb 2014 05:31:47 PST
SMD to Breadboard/DIP connector http://www.instructables.com/id/SMD-to-BreadboardDIP-connector/
SMD to Breadboard/DIP connector - More DIY How To Projects]]> http://cdn.instructables.com/FGG/2KKH/HQJDT5K3/FGG2KKHHQJDT5K3.SQUARE2.jpg http://cdn.instructables.com/FGG/2KKH/HQJDT5K3/FGG2KKHHQJDT5K3.SQUARE.jpg http://cdn.instructables.com/FGG/2KKH/HQJDT5K3/FGG2KKHHQJDT5K3.SMALL.jpg Jan_Henrik Hello, in this project i want to show you how to build a SMD to DIP connector, which can also used on breadboards. Often you have smd parts, which you want to use in normal circuits, but there is mostly no chance to connect them... so why not use a connector. :) Part list What you need: SMD part...
By: Jan_Henrik

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Mon, 20 Jan 2014 08:46:57 PST
Dark Sensor ( light sensor / automatic street light ) http://www.instructables.com/id/Dark-Sensor-light-sensor-automatic-street-light-/
Dark Sensor ( light sensor / automatic street light ) - More DIY How To Projects]]> http://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SQUARE2.jpg http://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SQUARE.jpg http://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SMALL.jpg Er Varun Goyal Here is my new simple Electronics project about  Automatic Street Light Control System or Dark Sensor. it is a simple and powerful concept , which uses transistor ( BC 547 NPN) as a switch to switch ON and OFF the street light system automatically . It automatically switches ON lights when the sunl...
By: Er Varun Goyal

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Fri, 27 Dec 2013 07:48:26 PST
Water Level Indicator with Alarm http://www.instructables.com/id/Water-Level-Indicator-with-Alarm-1/
Water Level Indicator with Alarm - More DIY How To Projects]]> http://cdn.instructables.com/FTN/01U8/HPO2DUES/FTN01U8HPO2DUES.SQUARE2.jpg http://cdn.instructables.com/FTN/01U8/HPO2DUES/FTN01U8HPO2DUES.SQUARE.jpg http://cdn.instructables.com/FTN/01U8/HPO2DUES/FTN01U8HPO2DUES.SMALL.jpg Er Varun Goyal Today I am going to talk about a very useful project that I had taken up. It is called the Water Level Indicator. Nowadays everybody has overhead tank at their homes. But everyone who has a water tank above knows the kind of problems that they face. Firstly there is no system to track the water in t...
By: Er Varun Goyal

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Thu, 26 Dec 2013 09:54:15 PST
Adjustable constant current source 4mA to 3A http://www.instructables.com/id/Adjustable-constant-current-source-4mA-to-3A/
Adjustable constant current source 4mA to 3A - More DIY How To Projects]]> http://cdn.instructables.com/F4C/1Z58/HPAUWCFZ/F4C1Z58HPAUWCFZ.SQUARE2.jpg http://cdn.instructables.com/F4C/1Z58/HPAUWCFZ/F4C1Z58HPAUWCFZ.SQUARE.jpg http://cdn.instructables.com/F4C/1Z58/HPAUWCFZ/F4C1Z58HPAUWCFZ.SMALL.jpg Jan_Henrik Hello, in this project i want to show you aadjustable constand current source, wich maximal current is 3A by 39V. This is a very usefull circuit, to light up power LEDs or heater, also it is a very cheap and tiny circuit, which is easy to build. For the project you need basic soldering skills and ba...
By: Jan_Henrik

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Tue, 17 Dec 2013 11:13:48 PST
Compact Mini LED http://www.instructables.com/id/Compact-Mini-LED/
Compact Mini LED - More DIY How To Projects]]> http://cdn.instructables.com/FW9/13OK/HP7RH5YN/FW913OKHP7RH5YN.SQUARE2.jpg http://cdn.instructables.com/FW9/13OK/HP7RH5YN/FW913OKHP7RH5YN.SQUARE.jpg http://cdn.instructables.com/FW9/13OK/HP7RH5YN/FW913OKHP7RH5YN.SMALL.jpg PossibleFire In this Instructable I will be showing you a simple and compact LED that can be powered by a light press and can fit on your thumb. Enjoy :) Find An LED, Along With Batteries Get an LED along with 2 batteries. I got this one from an emergency whistle with a small light attached. When taking it ap...
By: PossibleFire

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Sat, 14 Dec 2013 21:28:27 PST
morse code lamp http://www.instructables.com/id/morse-code-lamp/
morse code lamp - More DIY How To Projects]]> http://cdn.instructables.com/FS1/NZ8B/HP0CJT1R/FS1NZ8BHP0CJT1R.SQUARE2.jpg http://cdn.instructables.com/FS1/NZ8B/HP0CJT1R/FS1NZ8BHP0CJT1R.SQUARE.jpg http://cdn.instructables.com/FS1/NZ8B/HP0CJT1R/FS1NZ8BHP0CJT1R.SMALL.jpg the electrical engineer A basic lamp. I am using it for morse code. To make it you need.1.batteries compartment.2. flash light bulb3. wires metal conductors4. attached on off switchalligator clip To make it put wires on to the battery compartment. attach the on off switch now. Use an alligator clip to attach one ...
By: the electrical engineer

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Wed, 11 Dec 2013 18:33:40 PST
Meditation Mandala http://www.instructables.com/id/Meditation-Mandala/
Meditation Mandala - More DIY How To Projects]]> http://cdn.instructables.com/FTV/TPPJ/HOUG6XB0/FTVTPPJHOUG6XB0.SQUARE2.jpg http://cdn.instructables.com/FTV/TPPJ/HOUG6XB0/FTVTPPJHOUG6XB0.SQUARE.jpg http://cdn.instructables.com/FTV/TPPJ/HOUG6XB0/FTVTPPJHOUG6XB0.SMALL.jpg eliz_julia Hi! We are Eliz and Julia. We are both graduate students in Products of Design at the School of Visual Arts. Being a student in NYC can sometimes be stressful. We needed to remind ourselves to breathe so we created a mediation mandala lamp that's powered by breath. The light changes colors as you in...
By: eliz_julia

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Mon, 9 Dec 2013 12:12:33 PST
HOW TO MAKE A SUSTAIN PADEL http://www.instructables.com/id/HOW-TO-MAKE-A-SUSTAIN-PADEL/ http://cdn.instructables.com/FWV/LZB4/HO0PQJSW/FWVLZB4HO0PQJSW.SQUARE2.jpg http://cdn.instructables.com/FWV/LZB4/HO0PQJSW/FWVLZB4HO0PQJSW.SQUARE.jpg http://cdn.instructables.com/FWV/LZB4/HO0PQJSW/FWVLZB4HO0PQJSW.SMALL.jpg m_waqas IN THIS TUTORIAL I HAVE TRIED TO EXPLAIN HOW TO MAKE A SUSTAIN PEDAL FOR PIANO KEYBOARD.
By: m_waqas

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Fri, 15 Nov 2013 08:16:11 PST
Simple Led driver/Constant-current source 20 mA http://www.instructables.com/id/Simple-Led-driverConstant-current-source-20-mA/
Simple Led driver/Constant-current source 20 mA - More DIY How To Projects]]> http://cdn.instructables.com/F9K/EIFW/HNVJ1K1X/F9KEIFWHNVJ1K1X.SQUARE2.jpg http://cdn.instructables.com/F9K/EIFW/HNVJ1K1X/F9KEIFWHNVJ1K1X.SQUARE.jpg http://cdn.instructables.com/F9K/EIFW/HNVJ1K1X/F9KEIFWHNVJ1K1X.SMALL.jpg Jan_Henrik Hello, in this project i want to show you how to make a constant-current source which gives 20mA at the output. Its also known as LEd driver, because many leds need 20 mA to light up. The input of the constant-current source can be between 5V and 15V DC, what is realy usefull for variable voltage so...
By: Jan_Henrik

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Tue, 12 Nov 2013 10:15:25 PST
Hockey Themed Goal Light http://www.instructables.com/id/Hockey-Themed-Goal-Light/
Hockey Themed Goal Light - More DIY How To Projects]]> http://cdn.instructables.com/FY7/EJEL/HFD1FG2E/FY7EJELHFD1FG2E.SQUARE2.jpg http://cdn.instructables.com/FY7/EJEL/HFD1FG2E/FY7EJELHFD1FG2E.SQUARE.jpg http://cdn.instructables.com/FY7/EJEL/HFD1FG2E/FY7EJELHFD1FG2E.SMALL.jpg B4SEC4MP Just in time for the NHL season, celebrate every goal in style with your very own goal light! The inspiration for this project originated from the NHL's iconic goal light, but it can be adapted to nearly any sport by simply substituting your favorite team's logo. This instructable will describe ho...
By: B4SEC4MP

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Sat, 9 Nov 2013 15:23:29 PST
Basic Transistor Tuturial http://www.instructables.com/id/Basic-Transistor-Tuturial/
Basic Transistor Tuturial - More DIY How To Projects]]> http://cdn.instructables.com/F65/47XM/HLR1TOHG/F6547XMHLR1TOHG.SQUARE2.jpg http://cdn.instructables.com/F65/47XM/HLR1TOHG/F6547XMHLR1TOHG.SQUARE.jpg http://cdn.instructables.com/F65/47XM/HLR1TOHG/F6547XMHLR1TOHG.SMALL.jpg harry88 One of the most difficult things for me to figure out when learning about electronics was the transistor so i thought i could help some other new people so they can see how easy a basic transistor circuit is. This is a quick sketch of the wiring i did on my whiteboard before i built this. ...
By: harry88

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Wed, 18 Sep 2013 18:53:59 PDT
Sunrise Alarm Clock http://www.instructables.com/id/Sunrise-Alarm-Clock-1/
Sunrise Alarm Clock - More DIY How To Projects]]> http://cdn.instructables.com/F67/39BF/HJKBK2CN/F6739BFHJKBK2CN.SQUARE2.jpg http://cdn.instructables.com/F67/39BF/HJKBK2CN/F6739BFHJKBK2CN.SQUARE.jpg http://cdn.instructables.com/F67/39BF/HJKBK2CN/F6739BFHJKBK2CN.SMALL.jpg DIY Hacks and How Tos Many people find the beep of an alarm clock to be a very unpleasant way to wake up. One alternative is to use lights to wake you up. For instance, a "sunrise alarm clock" gradually increases the brightness of a light near your bed at the set time. This helps some people to wake up more gently.  ...
By: DIY Hacks and How Tos

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Mon, 12 Aug 2013 16:01:33 PDT
555 Timer IC/ Flasher Circuit http://www.instructables.com/id/555-Timer-IC-Flasher-Circuit/
555 Timer IC/ Flasher Circuit - More DIY How To Projects]]> http://cdn.instructables.com/FPW/GJ6X/HJ5ZT8Q0/FPWGJ6XHJ5ZT8Q0.SQUARE2.jpg http://cdn.instructables.com/FPW/GJ6X/HJ5ZT8Q0/FPWGJ6XHJ5ZT8Q0.SQUARE.jpg http://cdn.instructables.com/FPW/GJ6X/HJ5ZT8Q0/FPWGJ6XHJ5ZT8Q0.SMALL.jpg nick_rivera How to make a simple circuit that flashes an LED using the 555 Timer IC What you will need: -555 Timer -Capacitor(Different values will change the flashing speed) -Resistors ( 1x10kΩ ,  2x1kΩ ) -LED -5v Regulator -Jumpers  -9v Battery -9v Battery Clip Tools: -Solderless Breadboard -Wire clippers ...
By: nick_rivera

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Tue, 23 Jul 2013 08:14:11 PDT
Solar and AC rechargeable touch light http://www.instructables.com/id/Solar-and-AC-rechargeable-touch-light/
Solar and AC rechargeable touch light - More DIY How To Projects]]> http://cdn.instructables.com/FN1/F8O8/HJ1XIZKJ/FN1F8O8HJ1XIZKJ.SQUARE2.jpg http://cdn.instructables.com/FN1/F8O8/HJ1XIZKJ/FN1F8O8HJ1XIZKJ.SQUARE.jpg http://cdn.instructables.com/FN1/F8O8/HJ1XIZKJ/FN1F8O8HJ1XIZKJ.SMALL.jpg tech savvy Hi There , here's my latest project that I thought I would share ,  the solar and ac rechargeable touch light , in my last project I showed you how to make a touch switch out of a 555 timer , this project your going to need to look at how I made the touch switch first in the last project before we ...
By: tech savvy

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Fri, 12 Jul 2013 19:48:19 PDT
Upgrade your switch to LED http://www.instructables.com/id/Upgrade-your-switch-to-LED/
Upgrade your switch to LED - More DIY How To Projects]]> http://cdn.instructables.com/FDM/K0AA/HIYWGWRQ/FDMK0AAHIYWGWRQ.SQUARE2.jpg http://cdn.instructables.com/FDM/K0AA/HIYWGWRQ/FDMK0AAHIYWGWRQ.SQUARE.jpg http://cdn.instructables.com/FDM/K0AA/HIYWGWRQ/FDMK0AAHIYWGWRQ.SMALL.jpg kondzio29 Light up your switch with LED! Replace the lightbulb inside with LED and use it with 3V  circuits! There is also a plenty of benefits of using LED in the switch. Go and check first step! Parts you'll need to convert your switch and why do you want to do it. Why do you want to use LED instead of ...
By: kondzio29

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Fri, 12 Jul 2013 11:19:04 PDT
Potable 9v dark activated light http://www.instructables.com/id/Potable-9v-dark-activated-light/
Potable 9v dark activated light - More DIY How To Projects]]> http://cdn.instructables.com/FEX/7H2L/HHMI7B16/FEX7H2LHHMI7B16.SQUARE2.jpg http://cdn.instructables.com/FEX/7H2L/HHMI7B16/FEX7H2LHHMI7B16.SQUARE.jpg http://cdn.instructables.com/FEX/7H2L/HHMI7B16/FEX7H2LHHMI7B16.SMALL.jpg Ankan Nayak Hey all!This is my first instructable and i am starting with a very simple one. It is a simple, easy to make potable dark activated light, powered by a 9v battery. Get the materials required Components: IC 1-----------ne555 C1------------100nf C2------------100uf/25v R1-------------330ohms R2----...
By: Ankan Nayak

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Mon, 10 Jun 2013 10:37:44 PDT
PowerTube Vr. 1 for bicycle headlight http://www.instructables.com/id/PowerTube-Vr-1/
PowerTube Vr. 1 for bicycle headlight - More DIY How To Projects]]> http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE2.jpg http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE.jpg http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SMALL.jpg frapedia Recently purchased one of those bicycle lights using the XML T6 LED x3. Came with a 18650 8.4v 6400mAh Battery Pack and a Pouch with Velcro. The headlight has a voltage status function via a multi color LED but to be honest i am not satisfy with what function so i decided to add a voltage meter....
By: frapedia

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Sat, 11 May 2013 15:43:09 PDT
Smartphone Charger Powered by Fire http://www.instructables.com/id/Battery-Charger-Powered-by-Fire/
Smartphone Charger Powered by Fire - More DIY How To Projects]]> http://cdn.instructables.com/F12/HOAD/HFPTEVTJ/F12HOADHFPTEVTJ.SQUARE2.jpg http://cdn.instructables.com/F12/HOAD/HFPTEVTJ/F12HOADHFPTEVTJ.SQUARE.jpg http://cdn.instructables.com/F12/HOAD/HFPTEVTJ/F12HOADHFPTEVTJ.SMALL.jpg Joohansson Portable, Compact and Adjustable ThermoElectric Emergency Generator. Background: The reason for this project was to solve a problem I have. I sometimes do several days of hiking/backpacking in the wild and I always bring a smartphone with GPS and maybe other electronics. They need electricity a...
By: Joohansson

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Wed, 1 May 2013 11:03:17 PDT
Smart Tag Hardware Upgrade: LCD backlight http://www.instructables.com/id/Smart-Tag-Hardware-Upgrade-LCD-back-light/
Smart Tag Hardware Upgrade: LCD backlight - More DIY How To Projects]]> http://cdn.instructables.com/F78/A3HB/HFSHF2YZ/F78A3HBHFSHF2YZ.SQUARE2.jpg http://cdn.instructables.com/F78/A3HB/HFSHF2YZ/F78A3HBHFSHF2YZ.SQUARE.jpg http://cdn.instructables.com/F78/A3HB/HFSHF2YZ/F78A3HBHFSHF2YZ.SMALL.jpg yinghau The original Smart TAG (Malaysia) come with a LCD without backlight, it is incontinent to check bard balance under low ambience light condition. I saw my friend BP Tan modified one unit to get the backlight on, he had happily taught me and gave me some LEDs for modification. See simple steps as belo...
By: yinghau

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Sat, 27 Apr 2013 02:59:17 PDT
Zombie Attack! Easy to build! http://www.instructables.com/id/Zombie-Attack-Easy-to-build/
Zombie Attack! Easy to build! - More DIY How To Projects]]> http://cdn.instructables.com/FZ0/JLVV/HFD176XY/FZ0JLVVHFD176XY.SQUARE2.jpg http://cdn.instructables.com/FZ0/JLVV/HFD176XY/FZ0JLVVHFD176XY.SQUARE.jpg http://cdn.instructables.com/FZ0/JLVV/HFD176XY/FZ0JLVVHFD176XY.SMALL.jpg simonfrfr Hello, I am here, presenting you, another project, which is low in cost, that is easy to build. Zombies are attacking, and you need a way to defend against them, so you decide to build the zombie rifle to defend against Zombies. Overall, this project is a low cost, quick build. Most if not all of th...
By: simonfrfr

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Sun, 14 Apr 2013 19:13:20 PDT
VU-METER http://www.instructables.com/id/VU-METER-1/ http://cdn.instructables.com/FJT/S8YK/HET0YCZT/FJTS8YKHET0YCZT.SQUARE2.jpg http://cdn.instructables.com/FJT/S8YK/HET0YCZT/FJTS8YKHET0YCZT.SQUARE.jpg http://cdn.instructables.com/FJT/S8YK/HET0YCZT/FJTS8YKHET0YCZT.SMALL.jpg Mock5 A mono VU-Meter with power supply. Parts: 10K potentiometer 1.2K R 470uF cap LM7812 12V transformer MIC BR610 Square Bridge Rectifier LM3915 3x 0.1uF caps. 10 LEDs misc. This is a simple VU-meter that uses the LM3915. The input are the 2 floating connections. It uses 12 V AC that is converted into ...
By: Mock5

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Sat, 30 Mar 2013 11:04:53 PDT
Thermoelectric Fan Powered by a Candle http://www.instructables.com/id/Thermoelectric-Fan-Driven-by-a-Candle/ http://cdn.instructables.com/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SQUARE2.jpg http://cdn.instructables.com/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SQUARE.jpg http://cdn.instructables.com/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SMALL.jpg Joohansson A Thermoelectric generator powered by a tealight. It started as an experiment of how much power I could get from one candle. But I liked the idea and it worked really well so I built this electric-mechanical ornament. I did not use a high temperature TEG-module, but instead a cheap TEC-module. That ...
By: Joohansson

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Sat, 30 Mar 2013 03:04:10 PDT
Controlling a SaikoLED myki (or Arduino Leonardo) with a Simple Button Box -- using the ICSP header http://www.instructables.com/id/Controlling-a-SaikoLED-myki-or-Arduino-Leonardo-/
Controlling a SaikoLED myki (or Arduino Leonardo) with a Simple Button Box -- using the ICSP header - More DIY How To Projects]]> http://cdn.instructables.com/FBD/U974/HEBNAKYP/FBDU974HEBNAKYP.SQUARE2.jpg http://cdn.instructables.com/FBD/U974/HEBNAKYP/FBDU974HEBNAKYP.SQUARE.jpg http://cdn.instructables.com/FBD/U974/HEBNAKYP/FBDU974HEBNAKYP.SMALL.jpg dmt Welcome! Today we're going to explain how to build a controller with 3 buttons that connects directly to an Arduino Leonardo-compatible board--in this case, the myki light from SaikoLED. More information on the Leonardo is available here and in this Instructable. You will need the following tools: ...
By: dmt

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Wed, 20 Mar 2013 06:29:26 PDT
LED Driver (5 LEDs) http://www.instructables.com/id/LED-Driver-5-LEDs/
LED Driver (5 LEDs) - More DIY How To Projects]]> http://cdn.instructables.com/FCO/33TD/HI3TYDE8/FCO33TDHI3TYDE8.SQUARE2.jpg http://cdn.instructables.com/FCO/33TD/HI3TYDE8/FCO33TDHI3TYDE8.SQUARE.jpg http://cdn.instructables.com/FCO/33TD/HI3TYDE8/FCO33TDHI3TYDE8.SMALL.jpg Mock5 This is a simple LED driver/power supply for 5 LEDs. Parts: It uses the LM7812 positive voltage regulator, 2x 0.1uF Capacitors 1000uF/16V Capacitor RBV - 406 rectifier 5 LEDs (I used transparent green) A 12V transformer ~500mA For Typical Forward Voltage use 78 - 100 ohms resistor for Max Forward V...
By: Mock5

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Wed, 13 Mar 2013 12:05:29 PDT
Homemade Party Light/Light Show http://www.instructables.com/id/Homemade-Party-LightLight-Show/ http://cdn.instructables.com/FF9/YCBO/HBXWSLA5/FF9YCBOHBXWSLA5.SQUARE2.jpg http://cdn.instructables.com/FF9/YCBO/HBXWSLA5/FF9YCBOHBXWSLA5.SQUARE.jpg http://cdn.instructables.com/FF9/YCBO/HBXWSLA5/FF9YCBOHBXWSLA5.SMALL.jpg kilber17 My homemade party light out of an old CD player, hot glue, led lights, a CD, and a mechanical pencil eraser. Comment, Follow, And Favorite!
By: kilber17

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Mon, 21 Jan 2013 17:36:52 PST
LED Strip Lantern http://www.instructables.com/id/LED-Strip-Lantern/
LED Strip Lantern - More DIY How To Projects]]> http://cdn.instructables.com/FTS/I5MG/HAQ30X8Q/FTSI5MGHAQ30X8Q.SQUARE2.jpg http://cdn.instructables.com/FTS/I5MG/HAQ30X8Q/FTSI5MGHAQ30X8Q.SQUARE.jpg http://cdn.instructables.com/FTS/I5MG/HAQ30X8Q/FTSI5MGHAQ30X8Q.SMALL.jpg sbrookes1 I had a roll of about 4 metres of white strip LEDs and I wasn't quite sure what to do with them. Then, one day, I had the idea of wrapping them around a vitamin jar to make a battery powered camping lentern.  Container I used an empty Swisse vitamin jar as my container for the batteries and somet...
By: sbrookes1

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Wed, 2 Jan 2013 00:14:50 PST
Photo Components & Testing http://www.instructables.com/id/Photo-Components-Testing/
Photo Components & Testing - More DIY How To Projects]]> http://cdn.instructables.com/F3D/FUE0/HAVGJNZ0/F3DFUE0HAVGJNZ0.SQUARE2.jpg http://cdn.instructables.com/F3D/FUE0/HAVGJNZ0/F3DFUE0HAVGJNZ0.SQUARE.jpg http://cdn.instructables.com/F3D/FUE0/HAVGJNZ0/F3DFUE0HAVGJNZ0.SMALL.jpg Josehf Murchison Electronic components are expensive and the more I tinker the more I need, so I salvage as many components as I can. Visible light LEDs are easy to test, however Infrared light LEDs, Ultraviolet light LEDs, Pin diodes, and Phototransistors are not as easy to test as they ether do not emit visible li...
By: Josehf Murchison

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Tue, 1 Jan 2013 08:11:33 PST
Etching PCB's http://www.instructables.com/id/Etching-PCBs/ http://cdn.instructables.com/F7T/7F5R/HA4MKKDY/F7T7F5RHA4MKKDY.SQUARE2.jpg http://cdn.instructables.com/F7T/7F5R/HA4MKKDY/F7T7F5RHA4MKKDY.SQUARE.jpg http://cdn.instructables.com/F7T/7F5R/HA4MKKDY/F7T7F5RHA4MKKDY.SMALL.jpg A.R. How to Etch Your own PCb's. Watch the video. I will have a Video about building the etcher swisher.
By: A.R.

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Wed, 5 Dec 2012 13:09:26 PST
Behind the scenes: how we control those nifty in-ceiling lights http://www.instructables.com/id/Behind-the-scenes-how-we-control-those-nifty-in-c/ http://cdn.instructables.com/FVC/BCPR/H94ZE8W9/FVCBCPRH94ZE8W9.SQUARE2.jpg http://cdn.instructables.com/FVC/BCPR/H94ZE8W9/FVCBCPRH94ZE8W9.SQUARE.jpg http://cdn.instructables.com/FVC/BCPR/H94ZE8W9/FVCBCPRH94ZE8W9.SMALL.jpg tombrew So yesterday, I posted a clip of myself controlling some in-ceiling RGB lights with the Electric Imp. Some folks have been quite interested in how the actual controlling is done, so here's a quick peek at the guts of that in-ceiling fixture. The setup uses an impee called "Quinn", one of our upcomin...
By: tombrew

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Fri, 9 Nov 2012 09:27:32 PST
Wake-up light (no arduino) http://www.instructables.com/id/Wake-up-light-no-arduino/
Wake-up light (no arduino) - More DIY How To Projects]]> http://cdn.instructables.com/FJK/HOZ2/H82U13TE/FJKHOZ2H82U13TE.SQUARE2.jpg http://cdn.instructables.com/FJK/HOZ2/H82U13TE/FJKHOZ2H82U13TE.SQUARE.jpg http://cdn.instructables.com/FJK/HOZ2/H82U13TE/FJKHOZ2H82U13TE.SMALL.jpg Giedow Hello instructables people, Every morning when my alarm rings I have trouble getting out of bed. (so I am always late) To help me wake up I wanted to buy a wake-up light, it's supposed to help you wake up by giving the impression of a sunrise by getting brighter every minute after the alarm goes. Un...
By: Giedow

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Sat, 13 Oct 2012 14:10:23 PDT
Light Sabre http://www.instructables.com/id/Light-Sabre/ http://cdn.instructables.com/FST/04FP/H82UFEAF/FST04FPH82UFEAF.SQUARE2.jpg http://cdn.instructables.com/FST/04FP/H82UFEAF/FST04FPH82UFEAF.SQUARE.jpg http://cdn.instructables.com/FST/04FP/H82UFEAF/FST04FPH82UFEAF.SMALL.jpg rickharris This is something I am still working on . So far I have managed to get as far as designing the layout. I am having some difficulty in locating a source of Silurian crystal for the beam emitter and the hyper dense H3 quartz for the lens system. Other than that things are going well. The fuel cell wa...
By: rickharris

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Sat, 13 Oct 2012 02:16:56 PDT
Install an LED in a Tone Generator Circuit To Visualize a Square Wave http://www.instructables.com/id/Install-an-LED-in-a-Tone-Generator-Circuit-To-Visu/ http://cdn.instructables.com/FPC/ARWH/H5ECNF20/FPCARWHH5ECNF20.SQUARE2.jpg http://cdn.instructables.com/FPC/ARWH/H5ECNF20/FPCARWHH5ECNF20.SQUARE.jpg http://cdn.instructables.com/FPC/ARWH/H5ECNF20/FPCARWHH5ECNF20.SMALL.jpg KRA5H In this Photo Instructable you'll install and LED in my tone generator circuit to help you visualize the square wave tone output of the 555 Timer IC in astable mode. Please review my step-by-step Instructable, "Build a Tone Generator--Improve Your Snap Circuits by Adding a 555 Timer IC" (http://www...
By: KRA5H

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Fri, 10 Aug 2012 13:53:09 PDT
Introduction to the Light Emitting Diode Using Snap Circuits http://www.instructables.com/id/Introdcution-to-the-Light-Emitting-Diode-Using-Sna/ http://cdn.instructables.com/F7T/MZ7O/H5ECNEW8/F7TMZ7OH5ECNEW8.SQUARE2.jpg http://cdn.instructables.com/F7T/MZ7O/H5ECNEW8/F7TMZ7OH5ECNEW8.SQUARE.jpg http://cdn.instructables.com/F7T/MZ7O/H5ECNEW8/F7TMZ7OH5ECNEW8.SMALL.jpg KRA5H In this Photo Instructable, you will learn about the Light Emitting Diode, or LED. You'll also learn how to build a simple circuit that demonstrates how the LED works using Snap Circuits. Parts Needed: 1 Base Grid (11” x 7.7”) # 6SC BG 1 Battery Holder (2-AA) # 6SC B1 1 100 ohm Resistor # 6SC R1 1...
By: KRA5H

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Fri, 10 Aug 2012 12:21:58 PDT
Introduction to the Electric Switch Using Snap Circuits http://www.instructables.com/id/Introduction-to-the-Electric-Switch-Using-Snap-Cir/ http://cdn.instructables.com/FH8/6NO2/H5JVXP8W/FH86NO2H5JVXP8W.SQUARE2.jpg http://cdn.instructables.com/FH8/6NO2/H5JVXP8W/FH86NO2H5JVXP8W.SQUARE.jpg http://cdn.instructables.com/FH8/6NO2/H5JVXP8W/FH86NO2H5JVXP8W.SMALL.jpg KRA5H In this photo Instructable I will give you a brief introduction to Snap Circuits. You'll learn how to build a simple circuit, to understand Direct Current (DC), and how an electric switch works. Snap Circuits is an educational toy that teaches electronics with solderless snap-together electronic co...
By: KRA5H

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Fri, 10 Aug 2012 06:19:59 PDT
Introduction to the Diode Using Snap Circuits http://www.instructables.com/id/Introduction-to-the-Diode-Using-Snap-Circuits/ http://cdn.instructables.com/FW9/7Q0I/H5IRVM7I/FW97Q0IH5IRVM7I.SQUARE2.jpg http://cdn.instructables.com/FW9/7Q0I/H5IRVM7I/FW97Q0IH5IRVM7I.SQUARE.jpg http://cdn.instructables.com/FW9/7Q0I/H5IRVM7I/FW97Q0IH5IRVM7I.SMALL.jpg KRA5H In this photo instructable you will learn about the diode and build a simple circuit that helps you understand how a diode works using Snap Circuits. Snap Circuits is an educational toy that teaches electronics with solderless snap-together electronic components. Each component has the schematic sy...
By: KRA5H

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Thu, 9 Aug 2012 09:02:44 PDT
Worlds smallest color organ http://www.instructables.com/id/Worlds-smallest-color-organ/
Worlds smallest color organ - More DIY How To Projects]]> http://cdn.instructables.com/FYD/MR8O/H3Q4Q089/FYDMR8OH3Q4Q089.SQUARE2.jpg http://cdn.instructables.com/FYD/MR8O/H3Q4Q089/FYDMR8OH3Q4Q089.SQUARE.jpg http://cdn.instructables.com/FYD/MR8O/H3Q4Q089/FYDMR8OH3Q4Q089.SMALL.jpg jduffy54 This instructable diagrams a build of what is likely the worlds smallest color organ.  At just over the size of a postage stamp, it is very impressive for its size.  It uses an LM339 quad comparator chip to flash 3 colored LEDs in time with three separate frequency channels of a music input.  Par...
By: jduffy54

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Tue, 26 Jun 2012 14:48:07 PDT
"Joule Thief" Circuits, crude to modern... http://www.instructables.com/id/Joule-Thief-Circuits-crude-to-modern/
"Joule Thief" Circuits, crude to modern... - More DIY How To Projects]]> http://cdn.instructables.com/FA9/29C2/H2WEYUZN/FA929C2H2WEYUZN.SQUARE2.jpg http://cdn.instructables.com/FA9/29C2/H2WEYUZN/FA929C2H2WEYUZN.SQUARE.jpg http://cdn.instructables.com/FA9/29C2/H2WEYUZN/FA929C2H2WEYUZN.SMALL.jpg Dave Kruschke It seems that many "Joule Thief" circuits depend on a clunky (bulky and heavy) toroid or "donut" that has to be carefully wound with copper wire. But now there are several very small 4 legged ICs available that do the job using only a simple inductor, single cell battery and a LED. In effect, the 4 ...
By: Dave Kruschke

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Mon, 18 Jun 2012 10:18:27 PDT
Motion Module http://www.instructables.com/id/Motion-Module/
Motion Module - More DIY How To Projects]]> http://cdn.instructables.com/FMH/UL80/GV0KKPSV/FMHUL80GV0KKPSV.SQUARE2.jpg http://cdn.instructables.com/FMH/UL80/GV0KKPSV/FMHUL80GV0KKPSV.SQUARE.jpg http://cdn.instructables.com/FMH/UL80/GV0KKPSV/FMHUL80GV0KKPSV.SMALL.jpg randofo The motion module is the most complex photocoupled device used in Simple Bots. It basically is a light switch coupled with a motion sensing nightlight. When someone in its general area moves, this triggers the sensor, turns on the light, and causes the bot to move. This is a simple way to start addi...
By: randofo

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Wed, 2 May 2012 16:27:12 PDT
Blink Module http://www.instructables.com/id/Blink-Module/
Blink Module - More DIY How To Projects]]> http://cdn.instructables.com/FBS/9BWN/GOHMGLVS/FBS9BWNGOHMGLVS.SQUARE2.jpg http://cdn.instructables.com/FBS/9BWN/GOHMGLVS/FBS9BWNGOHMGLVS.SQUARE.jpg http://cdn.instructables.com/FBS/9BWN/GOHMGLVS/FBS9BWNGOHMGLVS.SMALL.jpg randofo One of the common modules used in making Simple Bots is the Blink Module. This involves photocoupling an LED to a bike safety light. When the safety light turns on, the motor turns on and when the light turns off, the motor turns off. On account of this, the motor reacts to the different blink patt...
By: randofo

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Tue, 1 May 2012 09:38:40 PDT
Light Module http://www.instructables.com/id/Light-Module/
Light Module - More DIY How To Projects]]> http://cdn.instructables.com/F9X/ECRF/GOIDHBV9/F9XECRFGOIDHBV9.SQUARE2.jpg http://cdn.instructables.com/F9X/ECRF/GOIDHBV9/F9XECRFGOIDHBV9.SQUARE.jpg http://cdn.instructables.com/F9X/ECRF/GOIDHBV9/F9XECRFGOIDHBV9.SMALL.jpg randofo The light module is basically the Simple Bots light sensor in a rugged directional casing with two convenient wires protruding. By adjusting the size of the iris (clear opening), you are able to make the module as responsive to ambient light as you would like. By splicing this in series with your m...
By: randofo

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Mon, 30 Apr 2012 16:07:43 PDT
Simple Light Switch http://www.instructables.com/id/Simple-Light-Switch/
Simple Light Switch - More DIY How To Projects]]> http://cdn.instructables.com/F4N/X984/GPBDHPZK/F4NX984GPBDHPZK.SQUARE2.jpg http://cdn.instructables.com/F4N/X984/GPBDHPZK/F4NX984GPBDHPZK.SQUARE.jpg http://cdn.instructables.com/F4N/X984/GPBDHPZK/F4NX984GPBDHPZK.SMALL.jpg randofo In building Simple Bots, we are going to use a series of photo-coupled devices called modules. But, before we can do this, we need a good photo-couple to use as a light-activated switch. To make one of these switches, we will be using a special OSRAM-brand photo transistor and any standard NPN trans...
By: randofo

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Mon, 30 Apr 2012 16:05:46 PDT
Car light switch circuit http://www.instructables.com/id/Car-light-delay/ http://cdn.instructables.com/FPD/UHJ4/GZQR3GNN/FPDUHJ4GZQR3GNN.SQUARE2.jpg http://cdn.instructables.com/FPD/UHJ4/GZQR3GNN/FPDUHJ4GZQR3GNN.SQUARE.jpg http://cdn.instructables.com/FPD/UHJ4/GZQR3GNN/FPDUHJ4GZQR3GNN.SMALL.jpg andre72 This circuit may be used to automatically switch off an interior car light, with a time delay of 15 seconds or 3 minutes. The light is controlled by a manual and a door switch. By activating the manual switch or opening the door Q2 turns on for an instant in order to lead the output to the high leve...
By: andre72

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Tue, 13 Mar 2012 07:08:22 PDT
Ring Light http://www.instructables.com/id/Ring-Light/
Ring Light - More DIY How To Projects]]> http://cdn.instructables.com/F5G/OUBK/GZ38J5BQ/F5GOUBKGZ38J5BQ.SQUARE2.jpg http://cdn.instructables.com/F5G/OUBK/GZ38J5BQ/F5GOUBKGZ38J5BQ.SQUARE.jpg http://cdn.instructables.com/F5G/OUBK/GZ38J5BQ/F5GOUBKGZ38J5BQ.SMALL.jpg T-Prime We've all found ourselves in the dark at one time or another, and a lot of these times we forgot to bring a flashlight or perhaps we're having trouble finding one in the dark. I've solved this problem by creating the Ring light. Equipment I Used the following components in this project: 1 Ring (...
By: T-Prime

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Sun, 26 Feb 2012 13:02:39 PST
The Super Capacitor Flashlight with Custom Charger and Voltage Booster http://www.instructables.com/id/The-Super-Capacitor-Flashlight-with-Custom-Charger/
The Super Capacitor Flashlight with Custom Charger and Voltage Booster - More DIY How To Projects]]> http://cdn.instructables.com/FV0/1WPA/GWF6EDAE/FV01WPAGWF6EDAE.SQUARE2.jpg http://cdn.instructables.com/FV0/1WPA/GWF6EDAE/FV01WPAGWF6EDAE.SQUARE.jpg http://cdn.instructables.com/FV0/1WPA/GWF6EDAE/FV01WPAGWF6EDAE.SMALL.jpg EngineeringShock Hi Everyone! CHECK OUT OUR SUPER CAPACITOR FLASHLIGHT KICKSTARTER CAMPAIGN: http://www.kickstarter.com/projects/172204344/the-forever-rechargeable-talking-super-capacitor-f?ref=live I'm a bit of a super capacitor fanatic, and I've made dozens of circuits that employ them.  This circuit is a protot...
By: EngineeringShock

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Mon, 5 Dec 2011 06:32:16 PST