[](https://youtu.be/CbovaHqvdsM) [YouTube video](https://youtu.be/CbovaHqvdsM) KY-038 (KY-037) Sound ...

500, if you are also watching Serial Monitor (inital adjustment), or, Serial Plotter (the latter is prefererd for observation). Special thanks to user CRomer, for his input and hard work! int ...

I have already made some devices using SeeedStudio’s Seeeduino Nano microcontroller boards and Grove Sensors. In this post I am going to show you how to make a simple sound activated electronic switch ...

Here is the schematic diagram of a Human-following robot circuit. This design incorporates three ultrasonic sensors, allowing distance measurements in three directions front, right, and left. These ...