The KY-038 sound sensor pinout has 4 pins: VCC, GND, Digital Out, and Analog Out. We can either use the AO pin as an output for analog reading or the DO pin as an output for digital readout. The Sound ...

Serial Kickstarter entrepreneur and project creator Patrick Thomas Mitchell has this week launched his 15th Kickstarter campaign to raise funds to take his new Arduino compatible high quality audio ...

The working process of the Bluetooth speaker is very simple and it's no different from any other Bluetooth speaker that is available in the market. The one main difference of this speaker is the ...

An RC boat sound module playing wav file from an SD card. 9 different files can be selected through a spare RC channel on the receiver (pwm signal) connected to the ...

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

What do you pick when you want to make something with a nostalgic touch? A radio, of course! Well, the project presented here is about building a compact Arduino FM Radio with the help of an ...