Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

Your TV is slim, but your Home Theater gear is bulky. Heres how to hide the clutter.

Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...

A novel algorithm for the separation between distributed radar sensor nodes of the virtual nonlinear array is proposed for collaborative beamforming in the wireless sensor network (WSN) system. The ...

AM232X Arduino library for AM2320 AM2321 and AM2322 I2C temperature and humidity sensor.

Handheld radar-based vital sign measurement can significantly expand the practical usefulness of radar in healthcare, and search and rescue applications. This article presents a novel handheld vital ...

Arduino-based autonomous robot with active sensing, obstacle avoidance, and line-following capabilities. This project combines sensor integration, motor control, and real-time decision-making for ...