Waveshare has recently introduced ESP32-S3-Touch-LCD-3.49, an ESP32-S3-based wide touch display (640×172) development board ...

A cadence sensor is a compact cycling device that measures pedaling rate in RPMs to provide real-time feedback.

A barograph is a device that graphs a barometer’s readings over time, revealing trends that can predict whether stormy weather is approaching or sunny skies are on the way. This DIY Digital ...

Abstract: In this letter, we report GaN-based optic device containing the InGaN/GaN multiquantum wells is able to emit and detect light. The angle-detecting mechanism is predicted by ray-trace ...