[WhiskeyTangoHotel] wrote in with his newest clock build — and he did warn us that it was minimalist and maybe less than useful. Indeed, it is nothing more than a super-cheap ESP32-C3 breakout board ...

This is a library for the Arduino IDE that helps interface with ST's VL53L4CD time-of-flight distance sensor. The library makes it simple to configure the sensor and read range data from it via I²C.

Basically that's all. This very simple code is working fine on a esp8266. You can easily adapt it for esp32. It is tested on the Hewalex PCWU 3.0 kW heatpump with firmware .1o we'll use the ...

Abstract: A complete smart attendance system incorporates the usage of IoT technology, biometric authentication, and facial recognition to improve efficiency, security, and accuracy for processes of ...