Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, ...

the idea is that he can still use the Arduino to reprogram the NVRAM chip when he wants to play around with the sound. We’ve covered some pretty fancy circuit bent instruments here in the past ...

So [Todd] has set out to build an Arduino frequency counter for a ... add external component to facilitate this. That extra circuit design will be the topic of the next project segment.

These devices have key drawbacks. Water level indicators require manual pump operation and often waste power as multiple LEDs ...

The shield is compatible with both the Arduino IDE and STM32Cube IDE, making it work with popular boards like the Arduino UNO ...