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Digital AVR frequency meter
Posted 15 April -
Automatically switches off DMM
Posted 12 October -
Create multicolored LEDs
Posted 12 October -
Voltage curves on PC
Posted 12 October -
Ultrasonic Parking Sonar Schematic
Posted 28 July -
Battery Solutions for Energy Harvesting
Posted 28 July -
Simple Gas Leak Detector Circuit
Posted 30 April -
FTDI Infrared
Posted 28 April -
3 Axis Accelerometer Using PIC16F887
Posted 25 April -
Simple 3V adjustable Car adapter
Posted 14 April
Monthly Archives: January 2011
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Basic Radio Control Decoder
OP-Amp "a" amplifies the incoming pulses from the receiver. This stage is self biassed and may be connected directly to the output of a ZN414Z, ZN416E or any other output with between 0 to +6vDC ...
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Pocket Burglar Alarm
This is a multi functional infrared intruder hysteria that has (recognized about) been squeezed into a zippo lighter. I made it as quota of the Gift Exchange. It factory by sending out a ...
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$3.50 DIY TV-B-Gone Micro
I previously made a slideshow on my DIY TV-B-Gone, and many kin requested I make an Instructable. So, the best in a series of DIY TV-B-Gone clones, is the TV-B-Gone Micro! Technically, because ...
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Nunchuck text-to-speech unit. Very low cost TVout/Arduino based
introNunchuck words-to-parlance figure. Very low salary TVout/Arduino basedPurpose: Lowest manageable salary words- to-parlance figure for the limping, possibly indeveloping countries. ...
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Annoying Beeper
Play a prank on your friends (enemies?) by hiding a overripe-pitched beeperwhich sounds off at arbitrary circumstance intervals. This instructable useslittle parts. All that is needed is: barrage ...
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RS232 serial to USB converter
This schematic using 3 IC's . to use this schematics you should download FT232 drivers. ...
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A Universal RFID Key
RFID projects own been pretty notorious recently, ranging from projects here in Instructables, to our local Silicon Chip magazine in Australia publishing a RFID door lock envisage in their ...