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ATX 20+4-Pin Power Supply Unit Breakout Board (D-1188 Ver 1.0)

Michael Schoeffler - 0
Article about D-1188 power supply unit (PSU) breakout board. Details on testing/checking ATX power supplies + using them as microcontroller power source (3.3V, 5V, 12V,...).
Arduino

Arduino-Tutorial: HC-SR501 Passive Infrared Sensor (PIR sensor)

Michael Schoeffler - 0
Tutorial on how to use the HC-SR501 PIR sensor with an Arduino Uno. A simple motion/movement detection application is programmed.

Optocoupler Isolation Board DST-1R4P-N (+ Arduino Tutorial)

Arduino Tutorial: IR Transmitter and IR Receiver (HX-M121, HX-53, KY-005, KY-022, Keyes, Iduino, Open Smart,…)

Arduino Tutorial: HY-M154 / 817 / PC817 Optocoupler Module

Waveshare PoE HAT (B) for Raspberry Pi + 3D-printed modification for HiFiBerry case

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