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ESP32 motion detection setup with Arduino and ESPHome for Home Assistant

In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...
Circuit Digest

Build a Simple Optocoupler Tester Circuit for Fault Detection

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials and step-by-step build ...