Instructables: exploring - technology - electronics http://www.instructables.com Wed, 1 Apr 2015 21:27:43 PDT BLOX v1.01 Transimpedence amplifier with roll-off http://www.instructables.com/id/Transimpedence-amplifier-with-roll-off/
Transimpedence amplifier with roll-off - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FDB/50ZE/I7YLKIN0/FDB50ZEI7YLKIN0.SQUARE2.jpg http://www.instructables.com/files/deriv/FDB/50ZE/I7YLKIN0/FDB50ZEI7YLKIN0.SQUARE.jpg http://www.instructables.com/files/deriv/FDB/50ZE/I7YLKIN0/FDB50ZEI7YLKIN0.SMALL.jpg hannah.bishop This instructable will show you how to build a simple transimpedence amplifier with roll off at high frequencies. This circuit has a photodiode which can be used to vary the output voltage. Applications of this circuit will be described in Step 3.Parts:Op ampPhotodiode100 kΩ resistor1.5 nF capacitor...
By: hannah.bishop

Continue Reading »]]>
Wed, 1 Apr 2015 20:31:41 PDT
Common Emitter Amplifier http://www.instructables.com/id/Common-Emitter-Amplifier/
Common Emitter Amplifier - More DIY How To Projects]]> http://cdn.instructables.com/FC5/JLI9/I7YLIPM9/FC5JLI9I7YLIPM9.SQUARE2.jpg http://cdn.instructables.com/FC5/JLI9/I7YLIPM9/FC5JLI9I7YLIPM9.SQUARE.jpg http://cdn.instructables.com/FC5/JLI9/I7YLIPM9/FC5JLI9I7YLIPM9.SMALL.jpg Tom Neumiller A Common Emitter Amplifier is a remarkably simple, but also very useful, type of transistor circuit. The core purpose of this type of circuit is the ability to amplify a voltage applied to the base of a capacitor. This amplification has many useful applications, particularly in acoustics...
By: Tom Neumiller

Continue Reading »]]>
Wed, 1 Apr 2015 14:09:47 PDT
Photodiode-LED Servo http://www.instructables.com/id/Photodiode-LED-Servo/
Photodiode-LED Servo - More DIY How To Projects]]> http://cdn.instructables.com/FOM/I13M/I7YLHVT7/FOMI13MI7YLHVT7.SQUARE2.jpg http://cdn.instructables.com/FOM/I13M/I7YLHVT7/FOMI13MI7YLHVT7.SQUARE.jpg http://cdn.instructables.com/FOM/I13M/I7YLHVT7/FOMI13MI7YLHVT7.SMALL.jpg gbarlow03 This fun circuit adjusts the brightness of an LED as it is moved in relation to a photodiode so that the photocurrent produced remains constant. Themes from this circuit can be used for a variety of applications. For example, instead of powering a LED, the circuit could adjust window s...
By: gbarlow03

Continue Reading »]]>
Wed, 1 Apr 2015 12:35:12 PDT
Fish Tank Auto Illumination http://www.instructables.com/id/Fish-Tank-Auto-Illumination/
Fish Tank Auto Illumination - More DIY How To Projects]]> http://cdn.instructables.com/FI9/OVDC/I7YLHK3N/FI9OVDCI7YLHK3N.SQUARE2.jpg http://cdn.instructables.com/FI9/OVDC/I7YLHK3N/FI9OVDCI7YLHK3N.SQUARE.jpg http://cdn.instructables.com/FI9/OVDC/I7YLHK3N/FI9OVDCI7YLHK3N.SMALL.jpg TarekH1 Hello Instructables, Tarek here. It is my first instructable please consider this fact. This is a project that I needed to do for my fish tank. I have a tank which is nicely cycled, aired and lit. But the problem is the duration of light which must simulate the natural lighting condition to ensure a...
By: TarekH1

Continue Reading »]]>
Wed, 1 Apr 2015 09:28:26 PDT
GSM 3G Home Automation Gate Opener via a mobile call http://www.instructables.com/id/GSM-3G-Home-Automation-Gate-Opener-via-a-mobile-ca/
GSM 3G Home Automation Gate Opener via a mobile call - More DIY How To Projects]]> http://cdn.instructables.com/FF7/2Y1E/I7YLG4EP/FF72Y1EI7YLG4EP.SQUARE2.jpg http://cdn.instructables.com/FF7/2Y1E/I7YLG4EP/FF72Y1EI7YLG4EP.SQUARE.jpg http://cdn.instructables.com/FF7/2Y1E/I7YLG4EP/FF72Y1EI7YLG4EP.SMALL.jpg GSMRTU Authorized 999users open gate at the specified time!GSM Gate, Barrier, Shutter, Garage Door and Door openerOpen gate or garage door with a FREE call from your mobile phoneRemote switching machines ON/OFF with a FREE call from your mobile phoneRemote monitoring the Gate, Barrier, Shutter, Garage Doo...
By: GSMRTU

Continue Reading »]]>
Wed, 1 Apr 2015 05:11:45 PDT
DC Op-Amp Circuits http://www.instructables.com/id/DC-Op-Amp-Circuits/
DC Op-Amp Circuits - More DIY How To Projects]]> http://cdn.instructables.com/FI3/IEJL/I7XR0A1P/FI3IEJLI7XR0A1P.SQUARE2.jpg http://cdn.instructables.com/FI3/IEJL/I7XR0A1P/FI3IEJLI7XR0A1P.SQUARE.jpg http://cdn.instructables.com/FI3/IEJL/I7XR0A1P/FI3IEJLI7XR0A1P.SMALL.jpg David Sharfi In this instructable I hope to cover the fundamentals of DC circuits involving operational amplifiers, otherwise known as op-amps. The material I will present has been adapted from my Electronics lab materials at Pomona College. For a textbook explanation of these concepts, I highly recommend either...
By: David Sharfi

Continue Reading »]]>
Wed, 1 Apr 2015 00:20:18 PDT
The Transimpedance Amplifier Circuit http://www.instructables.com/id/The-Transimpedance-Amplifier-Circuit/
The Transimpedance Amplifier Circuit - More DIY How To Projects]]> http://cdn.instructables.com/F10/Y7VP/I7XR08GW/F10Y7VPI7XR08GW.SQUARE2.jpg http://cdn.instructables.com/F10/Y7VP/I7XR08GW/F10Y7VPI7XR08GW.SQUARE.jpg http://cdn.instructables.com/F10/Y7VP/I7XR08GW/F10Y7VPI7XR08GW.SMALL.gif jjahn3 The Transimpedance Amplifier (TIA) is a useful circuit that allows the circuit-designer to turn light hitting a photodiode into an output voltage. With this circuit in your toolbox, you will be significantly closer to being able to design more advanced circuits such as servomechanisms. This exciting...
By: jjahn3

Continue Reading »]]>
Tue, 31 Mar 2015 23:57:17 PDT
Measure and Model a Thermistor http://www.instructables.com/id/Measure-and-Model-a-Thermistor/
Measure and Model a Thermistor - More DIY How To Projects]]> http://cdn.instructables.com/FWD/LXIL/I7XR073A/FWDLXILI7XR073A.SQUARE2.jpg http://cdn.instructables.com/FWD/LXIL/I7XR073A/FWDLXILI7XR073A.SQUARE.jpg http://cdn.instructables.com/FWD/LXIL/I7XR073A/FWDLXILI7XR073A.SMALL.jpg vreinkymov A thermistor is an inexpensive (and often, inaccurate) passive component for measuring temperature. This instructable shows how to derive model parameters for a thermistor, given a few points using only hot (boiling) and cold (ice) water. Thermistor - Great if we know what value it is, otherwise we ...
By: vreinkymov

Continue Reading »]]>
Tue, 31 Mar 2015 23:28:22 PDT
Circuit Scribe Fob or Remote Pad Fix http://www.instructables.com/id/Circuit-Scribe-Fob-or-Remote-Pad-Fix/
Circuit Scribe Fob or Remote Pad Fix - More DIY How To Projects]]> http://cdn.instructables.com/F2Z/QK2I/I7XR96US/F2ZQK2II7XR96US.SQUARE2.jpg http://cdn.instructables.com/F2Z/QK2I/I7XR96US/F2ZQK2II7XR96US.SQUARE.jpg http://cdn.instructables.com/F2Z/QK2I/I7XR96US/F2ZQK2II7XR96US.SMALL.jpg mkchronos Here's a quick and easy way to use the Circuit Scribe to fix a Key Fob that has stopped working, or even a remote control that has you pressing the buttons as if you were trying to reach the other side. Tools and Materials Just one thing you need... the Circuit Scribe pen. Well, that and the Fo...
By: mkchronos

Continue Reading »]]>
Tue, 31 Mar 2015 22:24:18 PDT
Security & Surveillance http://www.instructables.com/id/Security-Surveillance/ http://cdn.instructables.com/FWG/IAXL/I7VQT1RR/FWGIAXLI7VQT1RR.SQUARE2.jpg http://cdn.instructables.com/FWG/IAXL/I7VQT1RR/FWGIAXLI7VQT1RR.SQUARE.jpg http://cdn.instructables.com/FWG/IAXL/I7VQT1RR/FWGIAXLI7VQT1RR.SMALL.jpg carlhoffman Simple Basement Security System ARDUINO WIRELESS HOME SECURITY SYSTEM camera jacket Mini Audio Transmitter Simple surveillence bug
By: carlhoffman

Continue Reading »]]>
Tue, 31 Mar 2015 11:00:25 PDT
Using Circuitscribe to Build a Test Circuit for Beambot Logic http://www.instructables.com/id/Using-Circuitscribe-to-Build-a-Test-Circuit-for-Be/
Using Circuitscribe to Build a Test Circuit for Beambot Logic - More DIY How To Projects]]> http://cdn.instructables.com/FWF/D21G/I7W1WTPW/FWFD21GI7W1WTPW.SQUARE2.jpg http://cdn.instructables.com/FWF/D21G/I7W1WTPW/FWFD21GI7W1WTPW.SQUARE.jpg http://cdn.instructables.com/FWF/D21G/I7W1WTPW/FWFD21GI7W1WTPW.SMALL.jpg martin-koekemoer The circuitscribe pen is used to draw a test circuit for a NAND logic gate used for a Beam Bot Project.Materials:Standard Nand GateBreadboardLeads10 kOhm ResistorsWashing Pegs and MagnetsCircuitscribe PenCircuitscribe Metal SheetCircuitscribe Magnetic Bi-LEDsPaper Circuitry In the circuit diagram...
By: martin-koekemoer

Continue Reading »]]>
Tue, 31 Mar 2015 07:33:48 PDT
Interactive LED Beer Pong Table 2.0 http://www.instructables.com/id/Interactive-LED-Beer-Pong-Table-20/
Interactive LED Beer Pong Table 2.0 - More DIY How To Projects]]> http://cdn.instructables.com/FIS/2U04/I7VQT2ES/FIS2U04I7VQT2ES.SQUARE2.jpg http://cdn.instructables.com/FIS/2U04/I7VQT2ES/FIS2U04I7VQT2ES.SQUARE.jpg http://cdn.instructables.com/FIS/2U04/I7VQT2ES/FIS2U04I7VQT2ES.SMALL.jpg Regax Due to popular demand, I have created a new and improved version of my original Interactive LED Beer Pong Table!These tables are one-of-a-kind projects that are quite rewarding to create! The original table won the grand prize in the FSL Contest here on Instructables, it won a second place prize in ...
By: Regax

Continue Reading »]]>
Tue, 31 Mar 2015 01:46:30 PDT
DIY Portable solar usb charger http://www.instructables.com/id/DIY-Portable-solar-usb-charger/
DIY Portable solar usb charger - More DIY How To Projects]]> http://cdn.instructables.com/FU0/GLX6/I7VQRT4H/FU0GLX6I7VQRT4H.SQUARE2.jpg http://cdn.instructables.com/FU0/GLX6/I7VQRT4H/FU0GLX6I7VQRT4H.SQUARE.jpg http://cdn.instructables.com/FU0/GLX6/I7VQRT4H/FU0GLX6I7VQRT4H.SMALL.jpg HKPNSS Hi Guys,So i am new here to instructable and this is my first instructable. It is a portable detachable solar usb charger.Which is portable and the solar panels are detachable (to be compact).With this easy circuit You can also charge your phone while it is in your pocket now!!! Components to buil...
By: HKPNSS

Continue Reading »]]>
Tue, 31 Mar 2015 00:35:44 PDT
IC 555 monostable circuit http://www.instructables.com/id/IC-555-monostable-circuit/
IC 555 monostable circuit - More DIY How To Projects]]> http://cdn.instructables.com/F0M/0I2W/I7VQRDUV/F0M0I2WI7VQRDUV.SQUARE2.jpg http://cdn.instructables.com/F0M/0I2W/I7VQRDUV/F0M0I2WI7VQRDUV.SQUARE.jpg http://cdn.instructables.com/F0M/0I2W/I7VQRDUV/F0M0I2WI7VQRDUV.SMALL.jpg Aadhithyan101 An introduction to IC 555 timer circuits. Parts IC 5551K -2100K -10.01uF100uFLED9v DC Diagram
By: Aadhithyan101

Continue Reading »]]>
Mon, 30 Mar 2015 20:48:37 PDT
Emergency D Battery from 4 AA's http://www.instructables.com/id/Emergency-D-Battery-from-4-AAs/
Emergency D Battery from 4 AA's - More DIY How To Projects]]> http://cdn.instructables.com/F17/NBTW/I7W1S2UH/F17NBTWI7W1S2UH.SQUARE2.jpg http://cdn.instructables.com/F17/NBTW/I7W1S2UH/F17NBTWI7W1S2UH.SQUARE.jpg http://cdn.instructables.com/F17/NBTW/I7W1S2UH/F17NBTWI7W1S2UH.SMALL.jpg jimmypat If you ever needed to fit a square peg into a round hole on short notice, then this Instructable is for you!With my parents over for the weekend, and the hour of midnight rapidly approaching, we needed to blow up the ol' air mattress and get to bed. But, lo and behold, one of the D batteries inside ...
By: jimmypat

Continue Reading »]]>
Mon, 30 Mar 2015 15:15:42 PDT
Altoids' Noise Maker http://www.instructables.com/id/Altoids-Noise-Maker/
Altoids' Noise Maker - More DIY How To Projects]]> http://cdn.instructables.com/FDL/86D1/I7VQO9Y3/FDL86D1I7VQO9Y3.SQUARE2.jpg http://cdn.instructables.com/FDL/86D1/I7VQO9Y3/FDL86D1I7VQO9Y3.SQUARE.jpg http://cdn.instructables.com/FDL/86D1/I7VQO9Y3/FDL86D1I7VQO9Y3.SMALL.jpg mikes_creating Supplies 1 Altoids' tin1 double AAA battery holder1 switch with mounting bracket1 noise maker of your choice1 small wire nutSilicone Electrical tape (optional) First sorry that I don't have step by step pictures but I'll try my best to explain everything clearly. Anyway first you are going t...
By: mikes_creating

Continue Reading »]]>
Mon, 30 Mar 2015 15:07:10 PDT
NAND Gate Logic using Circuit Scribe http://www.instructables.com/id/NAND-Gate-Logic-using-Circuit-Scribe/
NAND Gate Logic using Circuit Scribe - More DIY How To Projects]]> http://cdn.instructables.com/F5M/057O/I7VQOLHL/F5M057OI7VQOLHL.SQUARE2.jpg http://cdn.instructables.com/F5M/057O/I7VQOLHL/F5M057OI7VQOLHL.SQUARE.jpg http://cdn.instructables.com/F5M/057O/I7VQOLHL/F5M057OI7VQOLHL.SMALL.jpg LadySith Electroninks shows us how to create AND Gate logic using CircuitScribe. I’d like to add to this with an Instructable replicating my favorite logic – NAND gates. These are by far my favorite logic circuits, simply for the fact that with enough NAND gates you can replicate any basic logic.All the part...
By: LadySith

Continue Reading »]]>
Mon, 30 Mar 2015 13:54:50 PDT
Emergency Lighting System http://www.instructables.com/id/Emergency-Lighting-System/
Emergency Lighting System - More DIY How To Projects]]> http://cdn.instructables.com/FDI/HDCX/I7W1RCVC/FDIHDCXI7W1RCVC.SQUARE2.jpg http://cdn.instructables.com/FDI/HDCX/I7W1RCVC/FDIHDCXI7W1RCVC.SQUARE.jpg http://cdn.instructables.com/FDI/HDCX/I7W1RCVC/FDIHDCXI7W1RCVC.SMALL.jpg DIY Hacks and How Tos Many people keep a supply of candles and flashlights on hand for when the power goes out. But you still have to find your way around in the dark to get them. In situations like this, it might be helpful to have some kind of emergency lighting system that would automatically turn on when the power go...
By: DIY Hacks and How Tos

Continue Reading »]]>
Mon, 30 Mar 2015 12:29:13 PDT
Make (Tiny) Very High Voltage From Electric Swatter http://www.instructables.com/id/Make-Tiny-Very-High-Voltage-From-Electric-Swatter/
Make (Tiny) Very High Voltage From Electric Swatter - More DIY How To Projects]]> http://cdn.instructables.com/FEK/1FP2/I7VQKY3D/FEK1FP2I7VQKY3D.SQUARE2.jpg http://cdn.instructables.com/FEK/1FP2/I7VQKY3D/FEK1FP2I7VQKY3D.SQUARE.jpg http://cdn.instructables.com/FEK/1FP2/I7VQKY3D/FEK1FP2I7VQKY3D.SMALL.jpg mismail15 The sparks can go up to 0.6 cm, you can upgrade it with increasing input voltage Modifying Electric Swatter Just open up your electric swatter, and you will find the circuit like at the photo,and remove the big red capacitor like I show you in the photo Time to desolder the capacitor Desolder ...
By: mismail15

Continue Reading »]]>
Mon, 30 Mar 2015 05:06:06 PDT
ESP8266 WiFi touch screen thermostat http://www.instructables.com/id/ESP8266-WiFi-touch-screen-thermostat/
ESP8266 WiFi touch screen thermostat - More DIY How To Projects]]> http://cdn.instructables.com/FMG/IVN3/I7MYB9JD/FMGIVN3I7MYB9JD.SQUARE2.jpg http://cdn.instructables.com/FMG/IVN3/I7MYB9JD/FMGIVN3I7MYB9JD.SQUARE.jpg http://cdn.instructables.com/FMG/IVN3/I7MYB9JD/FMGIVN3I7MYB9JD.SMALL.jpg EasyIoT In this tutorial we will show how to build WiFi controlled thermostat with ESP8266, Arduino and touch screen display. Thermostat will also show other info, like weather forecast and temperature outside. Total cost for thermostat is about 40EUR, which is price for basic commercial thermostat in shop...
By: EasyIoT

Continue Reading »]]>
Mon, 30 Mar 2015 01:38:33 PDT
AC to DC Power Using a Full Wave Rectifier http://www.instructables.com/id/AC-to-DC-Power-Using-a-Full-Wave-Rectifier/
AC to DC Power Using a Full Wave Rectifier - More DIY How To Projects]]> http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE2.jpg http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE.jpg http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SMALL.jpg Neel.Adhiraj AC is used to transmit power over long distances. The power we get from the electrical outlets in our home is AC power. However since most modern electrical appliances use DC at some level, we need to know how to effectively convert AC power to DC power. We can do this using a circuit known as a ful...
By: Neel.Adhiraj

Continue Reading »]]>
Mon, 30 Mar 2015 00:30:13 PDT
robot http://www.instructables.com/id/robot-9402/
robot - More DIY How To Projects]]> http://cdn.instructables.com/FFN/6C0Y/I7MY9CJ3/FFN6C0YI7MY9CJ3.SQUARE2.jpg http://cdn.instructables.com/FFN/6C0Y/I7MY9CJ3/FFN6C0YI7MY9CJ3.SQUARE.jpg http://cdn.instructables.com/FFN/6C0Y/I7MY9CJ3/FFN6C0YI7MY9CJ3.SMALL.jpg chad.giddings.71 How I built the notswatbot I started with a military surplus enclosure,sanded and painted it with krylon wrinkle finish. Custom assembled the track system from parts found on Ebay, some lynxmotion tracks. (hubs had to be drilled to match up with actobotics hubs. and actobotics couplers used to line ...
By: chad.giddings.71

Continue Reading »]]>
Sun, 29 Mar 2015 18:09:09 PDT
Solar Energy http://www.instructables.com/id/Solar-Energy-2/ http://cdn.instructables.com/FJ3/JBEI/I7MY49XH/FJ3JBEII7MY49XH.SQUARE2.jpg http://cdn.instructables.com/FJ3/JBEI/I7MY49XH/FJ3JBEII7MY49XH.SQUARE.jpg http://cdn.instructables.com/FJ3/JBEI/I7MY49XH/FJ3JBEII7MY49XH.SMALL.jpg undergroundking10 A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect. It is a form of photoelectric cell, defined as a device whose electrical characteristics, such as current, voltage, or resistance, vary when exposed ...
By: undergroundking10

Continue Reading »]]>
Sun, 29 Mar 2015 09:13:31 PDT
PCB Electroless Tin Plating http://www.instructables.com/id/PCB-Electroless-Tin-Plating/
PCB Electroless Tin Plating - More DIY How To Projects]]> http://cdn.instructables.com/FU1/KGQW/I7SVUIOY/FU1KGQWI7SVUIOY.SQUARE2.jpg http://cdn.instructables.com/FU1/KGQW/I7SVUIOY/FU1KGQWI7SVUIOY.SQUARE.jpg http://cdn.instructables.com/FU1/KGQW/I7SVUIOY/FU1KGQWI7SVUIOY.SMALL.jpg daverowntree On eBay and other on-line sources, you can buy these little twin-packs of tin plating chemicals. I bought some to play with and thought I'd start writing up some instructions on methods to use it. Study the instructions Thiourea is apparently quite nasty, so keep this stuff away from food, child...
By: daverowntree

Continue Reading »]]>
Sun, 29 Mar 2015 09:03:21 PDT
Buzzing Mouse Prank http://www.instructables.com/id/Buzzing-Mouse-Prank/
Buzzing Mouse Prank - More DIY How To Projects]]> http://cdn.instructables.com/FU2/ZKKP/I7MY3UV7/FU2ZKKPI7MY3UV7.SQUARE2.jpg http://cdn.instructables.com/FU2/ZKKP/I7MY3UV7/FU2ZKKPI7MY3UV7.SQUARE.jpg http://cdn.instructables.com/FU2/ZKKP/I7MY3UV7/FU2ZKKPI7MY3UV7.SMALL.jpg AndyWilson One of my friends is a little nit-picky about his system setup and sometimes I like to play around with it. I found a dead magic mouse in my "Bin of old dead computer junk" and I had a vibrating motor. This is a play on the very old hand buzzers that would shake when you shook someone's hand, causin...
By: AndyWilson

Continue Reading »]]>
Sun, 29 Mar 2015 07:03:50 PDT
Getting more I/O pins on ATTiny with Shift Registers http://www.instructables.com/id/Getting-more-IO-pins-on-ATTiny-with-Shift-Register/
Getting more I/O pins on ATTiny with Shift Registers - More DIY How To Projects]]> http://cdn.instructables.com/FOX/8FWR/I7SVTUAX/FOX8FWRI7SVTUAX.SQUARE2.jpg http://cdn.instructables.com/FOX/8FWR/I7SVTUAX/FOX8FWRI7SVTUAX.SQUARE.jpg http://cdn.instructables.com/FOX/8FWR/I7SVTUAX/FOX8FWRI7SVTUAX.SMALL.jpg silentbogo If you previously worked(or currently working) with small 8-bit microcontrollers, like ATTiny or PIC12, you've probably encountered a fundamental problem of not having enough GPIO pins for your needs or project requirements.Upgrading to a larger MCU is only one of the options, but as usual there is ...
By: silentbogo

Continue Reading »]]>
Sun, 29 Mar 2015 05:52:12 PDT
My Xbox Psu Mod http://www.instructables.com/id/Xbox-Psu-As-Power-Supply/
My Xbox Psu Mod - More DIY How To Projects]]> http://cdn.instructables.com/FR3/889E/I7MY1GWX/FR3889EI7MY1GWX.SQUARE2.jpg http://cdn.instructables.com/FR3/889E/I7MY1GWX/FR3889EI7MY1GWX.SQUARE.jpg http://cdn.instructables.com/FR3/889E/I7MY1GWX/FR3889EI7MY1GWX.SMALL.jpg Kendrew Blades So... This is not so much a tutorial as I already made it and I never thought to take pics while I was building it, but thought I'd share my take on so many of these tutorials that are already out there. My Reason For Building It This Way I originally did this setup, well almost this setup, for ...
By: Kendrew Blades

Continue Reading »]]>
Sat, 28 Mar 2015 18:59:08 PDT
MaKey MaKey Piano http://www.instructables.com/id/MaKey-MaKey-Piano-1/
MaKey MaKey Piano - More DIY How To Projects]]> http://cdn.instructables.com/FYY/2FKC/I7MXKDYQ/FYY2FKCI7MXKDYQ.SQUARE2.jpg http://cdn.instructables.com/FYY/2FKC/I7MXKDYQ/FYY2FKCI7MXKDYQ.SQUARE.jpg http://cdn.instructables.com/FYY/2FKC/I7MXKDYQ/FYY2FKCI7MXKDYQ.SMALL.jpg fablabbaltimore Play simple piano chords with the touch of a button using MaKey MaKey. What is a MaKey MaKey? A MaKey MaKey is a board that turns any conductive object into a key on your keyboard! In this case, we'll be using it to play four piano chords using four different Play-Doh buttons. Materials Needed ...
By: fablabbaltimore

Continue Reading »]]>
Thu, 26 Mar 2015 14:23:56 PDT
How to Protect any 18650 Cell http://www.instructables.com/id/How-to-Protect-any-18650-Cell/
How to Protect any 18650 Cell - More DIY How To Projects]]> http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SQUARE2.jpg http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SQUARE.jpg http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SMALL.jpg Imetomi In this instructable I'll show you a very useful life hack that is used to protect any 18650 cell. You can make it only with an old cell phone battery and with some wires. The Lithium ion batteries that are used in phones have a build in protection circuit, that automatically turns off if the voltag...
By: Imetomi

Continue Reading »]]>
Thu, 26 Mar 2015 10:58:28 PDT
Circuit Building Basics http://www.instructables.com/id/Circuit-Building-Basics/ http://cdn.instructables.com/FOA/N6UL/I7Q0TQEX/FOAN6ULI7Q0TQEX.SQUARE2.jpg http://cdn.instructables.com/FOA/N6UL/I7Q0TQEX/FOAN6ULI7Q0TQEX.SQUARE.jpg http://cdn.instructables.com/FOA/N6UL/I7Q0TQEX/FOAN6ULI7Q0TQEX.SMALL.jpg PGiustino Breadboard Basics for Absolute Beginners Use a real Bread-Board for prototyping your circuit Circuit Building 101 Build a Simple Circuit from a Pizza Box (No Soldering) Make Conductive Glue and Glue a Circuit Simple Blinking LED Circuit
By: PGiustino

Continue Reading »]]>
Thu, 26 Mar 2015 09:36:36 PDT
Home Energy Conservation and Automation with Z-Wave and Android http://www.instructables.com/id/Home-Energy-Conservation-and-Automation-with-Z-Wav/
Home Energy Conservation and Automation with Z-Wave and Android - More DIY How To Projects]]> http://cdn.instructables.com/FKE/FB7B/I7N66ITL/FKEFB7BI7N66ITL.SQUARE2.jpg http://cdn.instructables.com/FKE/FB7B/I7N66ITL/FKEFB7BI7N66ITL.SQUARE.jpg http://cdn.instructables.com/FKE/FB7B/I7N66ITL/FKEFB7BI7N66ITL.SMALL.jpg Darkblast47 Energy conservation is a big topic, there's lots of ways to save energy, from turning off your lights when you leave a room all the way to putting in weather stripping to ensure your not letting out the hot or cold air from your home. These are definitely helpful and should always be considered when...
By: Darkblast47

Continue Reading »]]>
Wed, 25 Mar 2015 18:54:30 PDT
RC Filters http://www.instructables.com/id/RC-Filters/
RC Filters - More DIY How To Projects]]> http://cdn.instructables.com/F97/XOTP/I7MXF7NM/F97XOTPI7MXF7NM.SQUARE2.jpg http://cdn.instructables.com/F97/XOTP/I7MXF7NM/F97XOTPI7MXF7NM.SQUARE.jpg http://cdn.instructables.com/F97/XOTP/I7MXF7NM/F97XOTPI7MXF7NM.SMALL.jpg CStatton0383 In this instructable I will show you how to make simple RC high-pass and low-pass filters.Why? They filter out certain frequencies, which may be useful when building upon the circuit to make it more complex. You may want a specific range of frequencies from your original signal. For example, high-pa...
By: CStatton0383

Continue Reading »]]>
Wed, 25 Mar 2015 16:37:07 PDT
Two circuits of switched mode power supply based on the 555 timer http://www.instructables.com/id/Two-circuits-of-switched-mode-power-supply-based-o/
Two circuits of switched mode power supply based on the 555 timer - More DIY How To Projects]]> http://cdn.instructables.com/FDN/Q0NW/I7N663HC/FDNQ0NWI7N663HC.SQUARE2.jpg http://cdn.instructables.com/FDN/Q0NW/I7N663HC/FDNQ0NWI7N663HC.SQUARE.jpg http://cdn.instructables.com/FDN/Q0NW/I7N663HC/FDNQ0NWI7N663HC.SMALL.jpg Milen Today the switched mode power supplies (SMPS) are widely used in the electronic devices. Compared with the linear ones, they have the advantages to be more efficient, to occupy smaller place and to be cheaper. The only their disadvantage is that they are noisy and in some cases require nice fil...
By: Milen

Continue Reading »]]>
Wed, 25 Mar 2015 16:19:20 PDT
How to Repair the USB port on an Amazon Kindle Fire http://www.instructables.com/id/How-to-Repair-the-USB-port-on-an-Amazon-Kindle-Fir/
How to Repair the USB port on an Amazon Kindle Fire - More DIY How To Projects]]> http://cdn.instructables.com/F88/C8HB/I7MXEM5W/F88C8HBI7MXEM5W.SQUARE2.jpg http://cdn.instructables.com/F88/C8HB/I7MXEM5W/F88C8HBI7MXEM5W.SQUARE.jpg http://cdn.instructables.com/F88/C8HB/I7MXEM5W/F88C8HBI7MXEM5W.SMALL.jpg loogie59 The Kindle Fire is a great way to engross yourself in a good book or enjoy a nice game of candy crush without the need of a big book or a heavy computer. However, with all electronic devices, they can break down. In the case of the Kindle Fire, the USB port used for charging can become dislodged or ...
By: loogie59

Continue Reading »]]>
Wed, 25 Mar 2015 14:49:19 PDT
Aluminum Foil Plate Capacitor http://www.instructables.com/id/Aluminum-Foil-Plate-Capacitor/
Aluminum Foil Plate Capacitor - More DIY How To Projects]]> http://cdn.instructables.com/FM2/TRS9/I7N63O24/FM2TRS9I7N63O24.SQUARE2.jpg http://cdn.instructables.com/FM2/TRS9/I7N63O24/FM2TRS9I7N63O24.SQUARE.jpg http://cdn.instructables.com/FM2/TRS9/I7N63O24/FM2TRS9I7N63O24.SMALL.jpg jwmiller This instruction set will teach you how to construct a simple, cheap capacitor quickly and safely. Capacitors have many uses for hobbyists such as in Tesla coils, coil guns, radio transmitters, and filters, but essentially they are just used to store charge. Make sure to read the steps and comments...
By: jwmiller

Continue Reading »]]>
Wed, 25 Mar 2015 09:06:09 PDT
Mac Terminal Codes http://www.instructables.com/id/Mac-Terminal-Codes/
Mac Terminal Codes - More DIY How To Projects]]> http://cdn.instructables.com/FC1/QZPP/I7NL4HJN/FC1QZPPI7NL4HJN.SQUARE2.jpg http://cdn.instructables.com/FC1/QZPP/I7NL4HJN/FC1QZPPI7NL4HJN.SQUARE.jpg http://cdn.instructables.com/FC1/QZPP/I7NL4HJN/FC1QZPPI7NL4HJN.SMALL.jpg hbrearley Here are some Fun Ways To Use Your Macs TerminalTerminal is located at applicationsutilitiesTerminalUse Ctrl C to stop any current commands Matrix Style Terminal Open Terminal Type this code ( LC_ALL=C tr -c "[:digit:]" " " Press Enter Press CTRL C to stopORTry This One echo -e "1"; while $...
By: hbrearley

Continue Reading »]]>
Tue, 24 Mar 2015 22:26:56 PDT
A 200 watt Electronic DC Load http://www.instructables.com/id/A-200-watt-Electronic-DC-Load/
A 200 watt Electronic DC Load - More DIY How To Projects]]> http://cdn.instructables.com/FZ2/WDJY/I7N60XSB/FZ2WDJYI7N60XSB.SQUARE2.jpg http://cdn.instructables.com/FZ2/WDJY/I7N60XSB/FZ2WDJYI7N60XSB.SQUARE.jpg http://cdn.instructables.com/FZ2/WDJY/I7N60XSB/FZ2WDJYI7N60XSB.SMALL.jpg supersilve Here one can find a guide in building a good Electronic DC load
By: supersilve

Continue Reading »]]>
Tue, 24 Mar 2015 16:17:17 PDT
Bubble Bobble Bartop Arcade Machine http://www.instructables.com/id/Bubble-Bobble-Bartop-Arcade-Machine/
Bubble Bobble Bartop Arcade Machine - More DIY How To Projects]]> http://cdn.instructables.com/FFU/EKZV/I7GRZI82/FFUEKZVI7GRZI82.SQUARE2.jpg http://cdn.instructables.com/FFU/EKZV/I7GRZI82/FFUEKZVI7GRZI82.SQUARE.jpg http://cdn.instructables.com/FFU/EKZV/I7GRZI82/FFUEKZVI7GRZI82.SMALL.jpg christopher.sadler.73 So about 14 years ago after finishing University and having been obsessed with playing MAME emulated games I discovered the magic of a SuperGun and the fact I could own actual Arcade boards. This resulted in me finding a guide on the internet and building my own Supergun. It wasn't perfect but I ...
By: christopher.sadler.73

Continue Reading »]]>
Tue, 24 Mar 2015 16:14:56 PDT
Controlling a Kwikset Smartcode Lock with an Intel Edison http://www.instructables.com/id/Controlling-a-Kwikset-Smartcode-Lock-with-an-Intel/
Controlling a Kwikset Smartcode Lock with an Intel Edison - More DIY How To Projects]]> http://cdn.instructables.com/FR1/QM8F/I7MX539I/FR1QM8FI7MX539I.SQUARE2.jpg http://cdn.instructables.com/FR1/QM8F/I7MX539I/FR1QM8FI7MX539I.SQUARE.jpg http://cdn.instructables.com/FR1/QM8F/I7MX539I/FR1QM8FI7MX539I.SMALL.jpg randomwire In this Instructable we'll show you how to control a Kwikset ZigBee lock with Intel Edison.Note: The original work for this Instructable was done during the Intel IoT Roadshow Hackaton on 3/14/15.For our setup we used this lock from Kwikset that normally communicates with a home automation hub using...
By: randomwire

Continue Reading »]]>
Tue, 24 Mar 2015 13:35:12 PDT
Turn 12$ transistor tester into 200$~600$ Smart tweezers LCR meter for SMD component (and even more) http://www.instructables.com/id/Turn-12-transistor-tester-into-200600-Smart-tweeze/
Turn 12$ transistor tester into 200$~600$ Smart tweezers LCR meter for SMD component (and even more) - More DIY How To Projects]]> http://cdn.instructables.com/FVB/D1ML/I7MX43TL/FVBD1MLI7MX43TL.SQUARE2.jpg http://cdn.instructables.com/FVB/D1ML/I7MX43TL/FVBD1MLI7MX43TL.SQUARE.jpg http://cdn.instructables.com/FVB/D1ML/I7MX43TL/FVBD1MLI7MX43TL.SMALL.jpg chelseabun A month ago, I was looking for a good LCR meter because I have lots of inductor but there is no way to measure them using multimeter. I was search for many LCR meter and they are really expensive. I also have some SMD components like capacitor, LED, diode, transistor, resistor,... laying out ready t...
By: chelseabun

Continue Reading »]]>
Tue, 24 Mar 2015 10:16:38 PDT
Arduino multiple timer. Day based and alarm based http://www.instructables.com/id/Arduino-multiple-timer-Day-based-and-alarm-based/
Arduino multiple timer. Day based and alarm based - More DIY How To Projects]]> http://cdn.instructables.com/F7O/9JRD/I7L6V8TC/F7O9JRDI7L6V8TC.SQUARE2.jpg http://cdn.instructables.com/F7O/9JRD/I7L6V8TC/F7O9JRDI7L6V8TC.SQUARE.jpg http://cdn.instructables.com/F7O/9JRD/I7L6V8TC/F7O9JRDI7L6V8TC.SMALL.jpg clepcea So I was asked by someone if I can make something that will start a motor at a fixed time. Ok ... easy. But the motor should start in each day at a different hour or perhaps Monday and Friday at an hour and Sunday not at all, or whenver he wants to program the motor to start. I thought this would ma...
By: clepcea

Continue Reading »]]>
Tue, 24 Mar 2015 09:57:28 PDT
Updated: DIY toolbox solar: radio+ charger+ light for emergency! http://www.instructables.com/id/DIY-toolbox-solar-radio-charger-light-for-emergenc/
Updated: DIY toolbox solar: radio+ charger+ light for emergency! - More DIY How To Projects]]> http://cdn.instructables.com/FU6/FAN7/I7KB9HV4/FU6FAN7I7KB9HV4.SQUARE2.jpg http://cdn.instructables.com/FU6/FAN7/I7KB9HV4/FU6FAN7I7KB9HV4.SQUARE.jpg http://cdn.instructables.com/FU6/FAN7/I7KB9HV4/FU6FAN7I7KB9HV4.SMALL.jpg chaparro78 Add 28 march 2015: I did my toolbox for emergencies, and use now that my city was buried in mud. As experience I can say that I served for charging phones and listen to radio.An old toolbox? an old pc speaker? an unused 12 volts battery?You can make a radio (with usb + sd card reader) + usb charger ...
By: chaparro78

Continue Reading »]]>
Mon, 23 Mar 2015 14:32:11 PDT
Circuits http://www.instructables.com/id/Circuits-1-2/ http://cdn.instructables.com/FWA/DECG/I7L6QO3J/FWADECGI7L6QO3J.SQUARE2.jpg http://cdn.instructables.com/FWA/DECG/I7L6QO3J/FWADECGI7L6QO3J.SQUARE.jpg http://cdn.instructables.com/FWA/DECG/I7L6QO3J/FWADECGI7L6QO3J.SMALL.jpg PGiustino Collection of instructables I find that will help my physics students understand and create their own circuits. Breadboard Basics for Absolute Beginners Circuit Building 101 Use a real Bread-Board for prototyping your circuit Simple Blinking LED Circuit Make Conductive Glue and Glu...
By: PGiustino

Continue Reading »]]>
Mon, 23 Mar 2015 10:16:20 PDT
High Voltage Generator-Electrofishing http://www.instructables.com/id/High-Voltage-Generator-Electrofishing/
High Voltage Generator-Electrofishing - More DIY How To Projects]]> http://cdn.instructables.com/FEH/K01B/I7KB4J8A/FEHK01BI7KB4J8A.SQUARE2.jpg http://cdn.instructables.com/FEH/K01B/I7KB4J8A/FEHK01BI7KB4J8A.SQUARE.jpg http://cdn.instructables.com/FEH/K01B/I7KB4J8A/FEHK01BI7KB4J8A.SMALL.jpg kukata86 Play Video!!!CAUTON!!! High Voltage. If you are a novice amateur in electronics and this is one of your first projects, better don't begin with this project. !!!CAUTON!!!This article is free assembly of circuits placed on the Internet, mostly gathered from Russian sources. The author of the article ...
By: kukata86

Continue Reading »]]>
Sun, 22 Mar 2015 13:05:15 PDT
High voltage Capacitor charger http://www.instructables.com/id/High-voltage-Capacitor-charger/
High voltage Capacitor charger - More DIY How To Projects]]> http://cdn.instructables.com/F31/8EFB/I7KB2ISC/F318EFBI7KB2ISC.SQUARE2.jpg http://cdn.instructables.com/F31/8EFB/I7KB2ISC/F318EFBI7KB2ISC.SQUARE.jpg http://cdn.instructables.com/F31/8EFB/I7KB2ISC/F318EFBI7KB2ISC.SMALL.jpg Hitmanwilliam I am not going to write much info about this Project becuse i am new here and i am not good at English soo please be understanding :)To the thing!: now i gona to show you How to make a Capacitor Charger from a Disposeable Camera!Things you need:1. Disposeable camera2. Soldering iron ( and solder wir...
By: Hitmanwilliam

Continue Reading »]]>
Sun, 22 Mar 2015 09:21:26 PDT
MAKEYMAKEY+Lego's+DOOM= Countless_Productivity_Hours_Lost | GEEKY ADULT FUN, MAKERBAR HACKERSPACE http://www.instructables.com/id/MAKEYMAKEYLegosDOOM-CountlessProductivityHoursLost/
MAKEYMAKEY+Lego's+DOOM= Countless_Productivity_Hours_Lost | GEEKY ADULT FUN, MAKERBAR HACKERSPACE - More DIY How To Projects]]> http://cdn.instructables.com/FNZ/LBVR/I7IVLYMJ/FNZLBVRI7IVLYMJ.SQUARE2.jpg http://cdn.instructables.com/FNZ/LBVR/I7IVLYMJ/FNZLBVRI7IVLYMJ.SQUARE.jpg http://cdn.instructables.com/FNZ/LBVR/I7IVLYMJ/FNZLBVRI7IVLYMJ.SMALL.jpg ElectricLegend Hello all, You read that title right, I'm going to walk you through how to setup a MakeyMakey, and using some Lego's to build a controller that we'll wire up to play the first person shooter classic video game DOOM. Roll up your sleeves, gather your Lego's, MakeyMakey, laptop and let's get started....
By: ElectricLegend

Continue Reading »]]>
Sun, 22 Mar 2015 06:31:14 PDT
USB charger modify output voltage http://www.instructables.com/id/USB-charger-modify-output-voltage/
USB charger modify output voltage - More DIY How To Projects]]> http://cdn.instructables.com/FQO/901P/I7IJ7EZ2/FQO901PI7IJ7EZ2.SQUARE2.jpg http://cdn.instructables.com/FQO/901P/I7IJ7EZ2/FQO901PI7IJ7EZ2.SQUARE.jpg http://cdn.instructables.com/FQO/901P/I7IJ7EZ2/FQO901PI7IJ7EZ2.SMALL.jpg radu022003 Hello, this is my very first instructable, i am often reading instructables, but until now i haven't written any.Many times in our electronics project we need 3.3V or even less and most popular and cheapest phone chargers seems to be the first choice for powering our micrcontrollers or chips. But yo...
By: radu022003

Continue Reading »]]>
Sat, 21 Mar 2015 11:14:20 PDT
overheat-proof phone case http://www.instructables.com/id/overheat-proof-phone-case/
overheat-proof phone case - More DIY How To Projects]]> http://cdn.instructables.com/FBW/D2JJ/I7HG8XM3/FBWD2JJI7HG8XM3.SQUARE2.jpg http://cdn.instructables.com/FBW/D2JJ/I7HG8XM3/FBWD2JJI7HG8XM3.SQUARE.jpg http://cdn.instructables.com/FBW/D2JJ/I7HG8XM3/FBWD2JJI7HG8XM3.SMALL.jpg fossilshark my phone gets really hot (on account of the ducktape on the back of it and because its having problems) so I build this case with a fan in it. it runs off 4 AA (should probably go with 2 or 3 AAs so its smaller but all I had was 4 and it makes fan better) and has an optional voltmeter that I had to ...
By: fossilshark

Continue Reading »]]>
Fri, 20 Mar 2015 14:41:27 PDT
[Beginner guide] Configuration of a usb lan on intel edison for ssh connection http://www.instructables.com/id/Beginner-guide-Configuration-of-a-usb-lan-on-intel/
[Beginner guide] Configuration of a usb lan on intel edison for ssh connection - More DIY How To Projects]]> http://cdn.instructables.com/FQB/5CJT/I7HG73BD/FQB5CJTI7HG73BD.SQUARE2.jpg http://cdn.instructables.com/FQB/5CJT/I7HG73BD/FQB5CJTI7HG73BD.SQUARE.jpg http://cdn.instructables.com/FQB/5CJT/I7HG73BD/FQB5CJTI7HG73BD.SMALL.jpg ruben.clerici This few steps will help you to connect you Intel Edison without using a wifi connection by the usb interface. This is particularly useful for example to copy data from/to the Intel Edison using scp(secure copy) command Connect your Edison the first step is to plug your Edison to your computer vi...
By: ruben.clerici

Continue Reading »]]>
Fri, 20 Mar 2015 10:49:06 PDT
Other Projects - Guitar Amps Bake Potatoes Etc... http://www.instructables.com/id/Other-Projects-Guitar-Amps-Bake-Potatoes-Etc/
Other Projects - Guitar Amps Bake Potatoes Etc... - More DIY How To Projects]]> http://cdn.instructables.com/FSQ/U6L3/I7HG6JSU/FSQU6L3I7HG6JSU.SQUARE2.jpg http://cdn.instructables.com/FSQ/U6L3/I7HG6JSU/FSQU6L3I7HG6JSU.SQUARE.jpg http://cdn.instructables.com/FSQ/U6L3/I7HG6JSU/FSQU6L3I7HG6JSU.SMALL.jpg ️Roy Glen Gilliam Hello kitty Guitar & amp http://m.instructables.com/id/Hello-Kitty-Guitar-Amp/ Guitar Amplifier - Custom Tin Amp Cheech and Chong http://m.instructables.com/id/Guitar-Amplifier-Custom-Tin-Amp-Cheech-and-Chong/ 20 to 30 minute Perfect Baked Potatoes - Sweet Potatoes http://m.instructables....
By: ️Roy Glen Gilliam

Continue Reading »]]>
Fri, 20 Mar 2015 09:24:45 PDT