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 ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (March 2026) that make the cut: ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that we’re getting a clearer picture. Perhaps unsurprisingly the answer appears ...

How often have you pulled out old MCU-based project that still works fine, but you have no idea where the original source ...

March 14, 2026 • It’s Alabama, 1963. A black woman stands before a judge, but she refuses to acknowledge his questions until he addresses her by the same honorific given to white women: “Miss.” That ...

LaserEye is a security monitoring system utilizing ESP8266 board, a laser, and a sensor to detect trespassing. Integrated with Firebase Realtime Database, it provides real-time notifications through ...

ROS Laser Bot is a ROS Kinetic autonomous navigation project for TurtleBot using the Stage simulator and a Hokuyo laser model. It implements three smooth controllers—basic, advanced, and TF-based—to ...

Abstract: Ultrasonic intra-body communication (IBC) has essential application prospects in personalized medicine. However, due to the limitations of complex biological tissues in the human body, ...