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 ...

Abstract: An automobile is an electronic gadget on wheels with the help of electronic control unit (ECU), sensors, and actuators. These integrated electronics are required in-vehicle communications ...

AS5600 is a library for an AS5600 / AS5600L based magnetic rotation meter. More exact, it measures the angle (rotation w.r.t. reference) and not RPM. Multiple angle measurements allows one to ...

After all the crashing and burning of Imperial Germany’s Zeppelins in the later part of WWI – once the Brits managed to build ...

Who among us does not have a plethora of mains-powered devices on their workbench, and a consequent mess of power strips to run them all? [Jeroen Brinkman] made his more controllable with a ...

The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...

Elevator outages have become a common occurrence on UNC’s campus, with 374 elevator outages occurring across the University’s 368 elevators between Aug. 1 and Dec. 31, 2025. These outages stem from a ...