ARDUINO M427 Electronic Brick Sound Sensor Microphone Mic New Module Electronic Components Electronic Hobby Kit

when speaking to the microphone, the analog value will be changed. A recorder can be made by reading and saving the analog value. Plug and play, easy to use. Compatible with the mainstream 2.54 interfaces and 4-Pin Grove interfaces in the market. With use of M4 standard fixed holes, compatible with M4-standard kits such as Lego and Makeblock.