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 ...

After checking out the hardware of the GEEKOM A5 Pro 2026 Edition mini PC with an unboxing and a teardown in the first part of the review, I've now had ...

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, ...

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Its back panel and app harbours a lesser-known trick: the ability to act as a digital-to-digital converter (DDC), ...