The Adapter Board RA7 is an open-source hardware Arduino shield with all relevant files shared in a hardware repository with Altium schematics and PCB layout, mechanical drawings, Bill of Materials, ...

The Smart Door Alert System is a home security project built with Arduino that uses an ultrasonic sensor to detect how close someone is to your door or window. It uses LEDs, a buzzer, and a flashing ...

It measures 61.19 x 73.06 x 7.99 (height x width x thickness) and weigh 181.00 grams. Connectivity options include Wi-Fi, GPS, Bluetooth, NFC and USB Type-C. Sensors on the phone include Face unlock, ...

HAL-based driver for the HC-SR04 ultrasonic sensor, implemented on an STM32F446RE Nucleo board. Key features include temperature-compensated distance calculation, ... arduino lcd arduino-library ...