The ability to write Python on microcontrollers with the likes of MicroPython and later CiruitPython has made them much more ...

The sport of fencing requires keeping score, just like so many other similar pastimes. When their club’s existing scoring rig broke, [jc0025] stepped up to build a scoring box of their own, ...

If someone walked away with the tester, the display needed to scream. They came to us because they needed more than a ...

But can we extend the capabilities of a $5 ESP32-CAM module to build something similar? In this project, we are going to ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

Understand the reasons why an LED might not light up Learn how to wire an LED correctly so it lights up Learn how to turn it ON/OFF with a switch Learn how to make an active buzzer sound Understand ...

Flock license plate cameras tend to use rapid pulses (10hz: 20ms on, 80ms off) of 850nm IR light as part of the nighttime capture process. The strobe/capture process appears to be triggered by motion; ...

Renesas’ RL78/L23 is a low-power 16-bit MCU with built-in segment LCD, capacitive touch, dual-bank flash for FOTA, and a wide 1.6–5.5 V operating voltage range. It targets HMI appliances, metering, ...

Build the ESP-ROLL - an ESP32 Self-balancing Ball Robot with Phone Control and FPV Cam that Rolls Smoothly over almost Any Surface! The ESP-ROLL is a small, home-built spherical robot that rolls ...

Abstract: This research presents the development and evaluation of a breath alcohol measurement device utilizing the MQ-3 alcohol sensor and an Arduino Nano-based control system. The primary objective ...