There are 54 circuit schematics available in this category. Click here for all circuit diagrams. The Last circuit was added on Sunday, February 19, 2017.Please note some adblockers will suppress the schematics as well as the advertisement so please disable if the schematic list is empty.

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CircuitCategoryDate AddedOK?Votes 
Interfacing a DSLR Hotshoe to an ArduinoArduinoMar 27, 2014Status8 vote up vote down
Arduino Mega 2560 schematic (PDF) - Arduino R3ArduinoJul 21, 2013Status-2 vote up vote down
DIY DC Amp Volt Watt Meter using an Arduino and ZXCT1010ArduinoJun 14, 2015Status0 vote up vote down
DIY Infrared Thermometer using Arduino Nano and MLX90614ArduinoJun 14, 2015Status0 vote up vote down
Arduino RC car (Android control via Bluetooth)ArduinoJun 14, 2015Status-1 vote up vote down
Arduino based motion triggered camera using a PIR sensorArduinoNov 13, 2010Status0 vote up vote down
Traffic light controller using an Arduino microcontrollerArduinoAug 26, 2010Status0 vote up vote down
Arduino UNO based CW decoderArduinoJun 24, 2015Status0 vote up vote down
Arduino MIDI interface (Arduino MIDI Drum Kit and Spooky Sound Trigger)ArduinoAug 26, 2010Status0 vote up vote down
Simple 10 bit DAC for the Arduino using TLC274 opampArduinoJun 07, 2011Status0 vote up vote down
Lightning shutter trigger for a camera using an ArduinoArduinoNov 13, 2010Status0 vote up vote down
Circuit and Arduino sketch for interfacing to a DS18B20 1-wire temperature sensorArduinoJul 21, 2013Status0 vote up vote down
Circuit to connect a rotary encoder to a Arduino UNOArduinoJul 21, 2013Status0 vote up vote down
Solderless Breadboard Arduino Clone for Arduino prototypingArduinoOct 12, 2009Status0 vote up vote down
Ethernet shield for Arduino (Xport)ArduinoOct 12, 2009Status0 vote up vote down
GPS / Datalogging shield for Arduino microcontrollerArduinoOct 12, 2009Status1 vote up vote down
Arduino based controller interface for servo motors, stepper motors and DC motorsArduinoOct 12, 2009Status0 vote up vote down
Arduino microcontroller prototyping systemArduinoOct 12, 2009Status0 vote up vote down
Wave (Audio) shield for Arduino microcontrollerArduinoOct 12, 2009Status1 vote up vote down
Laser Modem with an Arduino MicrocontrollerArduinoNov 13, 2010Status0 vote up vote down
Online thermometer based on an ArduinoArduinoJun 20, 2010Status0 vote up vote down
PS/2 Keyboard Or Mouse based on an ArduinoArduinoJun 20, 2010Status0 vote up vote down
RFID Access Control System based on an ArduinoArduinoJun 20, 2010Status0 vote up vote down
Oscilloscope / Logic Analyzer based on an ArduinoArduinoJun 20, 2010Status0 vote up vote down
Arduino Based Security / Automation SensorsArduinoJun 20, 2010Status2 vote up vote down
Arduino speech sythesizerArduinoJun 20, 2010Status0 vote up vote down
Arduino based Time-Lapse Camera ControllerArduinoJun 20, 2010Status0 vote up vote down
Interfacing an LCD touch control panel to an ArduinoArduinoJun 20, 2010Status0 vote up vote down
Vehicle Telemetry Platform based on an ArduinoArduinoJun 20, 2010Status0 vote up vote down
Virtual USB Keyboard based on an ArduinoArduinoJun 20, 2010Status0 vote up vote down
Arduino based water flow guageArduinoJun 20, 2010Status0 vote up vote down
Water Tank Depth Sensor based on an ArduinoArduinoJun 20, 2010Status0 vote up vote down
Weather Station Receiver based on an Arduino and 433MHz RF receiver moduleArduinoJun 20, 2010Status0 vote up vote down
Arduino LFO Waveform Generator V2ArduinoMay 19, 2015Status0 vote up vote down
The WB0RIO 28 Mhz FSCW Beacon using an ArduinoArduinoNov 30, 2015Status0 vote up vote down
Arduino 7 Segment LED Display and CounterArduinoApr 30, 2016Status0 vote up vote down
Arduino alarm clock using 16x2 LCD moduleArduinoApr 30, 2016Status0 vote up vote down
Arduino based distance sensorArduinoApr 30, 2016Status0 vote up vote down
DIY wattmeter with an ArduinoArduinoApr 30, 2016Status0 vote up vote down
Realtime GPS+GPRS Tracking of Vehicles Using ArduinoArduinoApr 30, 2016Status0 vote up vote down
GSM Home Security Alarm System with ArduinoArduinoApr 30, 2016Status0 vote up vote down
Arduino based line following robot in 10 minutesArduinoApr 30, 2016Status1 vote up vote down
Arduino High speed Oscilloscope with PC interfaceArduinoApr 30, 2016Status0 vote up vote down
Arduino LCD digital clock using a DS1307 RTCArduinoJun 28, 2016Status0 vote up vote down
Arduino RF power meter that measures - 43 dBm to - 3 dBm, 1 MHz to 10 GHz using AD8319 and TMP101ArduinoJul 03, 2016Status0 vote up vote down
Microphone preamplifier using an LM321 for interfacing an electret microphone to ArduinoArduinoJul 03, 2016Status-1 vote up vote down
AD9833 Micro Waveform Generator for an ArduinoArduinoJul 03, 2016Status0 vote up vote down
ARDUINO/Genuino 'Pocket Calculator' ShieldArduinoJul 03, 2016Status0 vote up vote down
Countdown timer using an ArduinoArduinoJul 03, 2016Status1 vote up vote down
Arduino based environmental datalogger systemArduinoJul 03, 2016Status0 vote up vote down
Arduino precision voltage reference based on a REF102 reference sourceArduinoJul 03, 2016Status0 vote up vote down
Arduino shield to make a transistor curve tracerArduinoJul 03, 2016Status0 vote up vote down
Arduino Scalar Network Analyzer, 60 MHz, 80 dBArduinoJul 03, 2016Status0 vote up vote down
Arduino Flame Sensor InterfaceArduinoSep 14, 2016Status0 vote up vote down