All Public Circuits

Raspberry Pi Buzzer Output PUBLIC

Circuit showing how to control a simple buzzer using a Raspberry Pi GPIO pin configured as an output.

by MattHawkins | updated July 11, 2012

buzzer   gpio   raspberry-pi   rpi   sound  

Raspberry Pi controlling 120VAC relay PUBLIC

by x2mike2x | updated June 03, 2013

Raspberry Pi GPIO PUBLIC

The GPIO header from a Raspberry Pi Model B Rev 1 board

by nickjadams | updated April 14, 2013

gpio   raspberry-pi   raspberry-pi-gpio  

Raspberry PI GPIO and PIC12F1822 PUBLIC

by valterfukuoka | updated March 22, 2013

Raspberry PI GPIO and PIC12F1840 PUBLIC

by valterfukuoka | updated March 22, 2013

Raspberry PI GPIO and PIC16F1825 PUBLIC

by valterfukuoka | updated March 22, 2013

Raspberry PI GPIO and PIC16F1829 PUBLIC

by valterfukuoka | updated March 22, 2013

Raspberry PI GPIO and PIC16F1938 PUBLIC

by valterfukuoka | updated March 22, 2013

Raspberry PI GPIO and PIC16F886 PUBLIC

by valterfukuoka | updated April 29, 2013

Raspberry Pi GPIO header PUBLIC

by hamish | updated August 07, 2013

creative-commons-by-nc-sa   hamish-cunningham   raspberry-pi  

Raspberry Pi GPIO Input Button PUBLIC

by dangerbyca | updated January 03, 2013

Raspberry Pi GPIO Pull-Up PUBLIC

by mxgxw | updated May 20, 2013

Raspberry Pi kWh meter PUBLIC

This is the schematic for reading (analog) kilowatt-hour meters. This schematic has two CNY70 sensors to read the "black spot" on the rotating disk. Software will read the ADC converter info and can...

by Patrick6325 | updated October 22, 2013

adc   cny70   gpio   mcp3004   mcp3008   pi   raspberry   raspberry-pi   rpi   spi  

Raspberry Pi Laser Diode Driver PUBLIC

This is a typical LM317T-based constant current source to drive a laser diode or LED, but with an additional transistor switch added for on/off control via a Raspberry Pi.

by kmdouglass | updated September 02, 2017

Raspberry Pi LED Output PUBLIC

Circuit showing how to control an LED from a Raspberry Pi GPIO pin configured as an output.

by MattHawkins | updated July 13, 2012

gpio   led   output   raspberry-pi   rpi  

Raspberry Pi Light Dependent Resistor PUBLIC

by MattHawkins | updated August 05, 2012

capacitor   gpio   ldr   light-dependent-resistor   raspberry-pi  

Raspberry Pi model 3B GPIO Header PUBLIC

by sdekkers | updated May 19, 2016

raspberry-pi  

Raspberry Pi Motor Controller PUBLIC

by mdszy | updated July 23, 2013

Raspberry Pi Pico PUBLIC

by lee.phelps | updated February 06, 2025

Raspberry Pi PIR Module PUBLIC

This circuit shows how to connect a basic, inexpensive PIR sensor module to the GPIO pins on the Raspberry Pi.

by MattHawkins | updated January 10, 2013

pir   raspberry-pi   rpi   sensor