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Micro-SD card slot for loading operating system and data storage
and over-voltage protection
Continuity test: about 1V
it delivers a stable 7
when advertising is over in the music continue to play
Robobloq Sound Sensor With Rj11 Connecting Wire camera Micro-SD card slot for loadingThe sound sensor can be used to detect the sound intensity in the surrounding environment. It can be used to interact with sound projects such as a voice activated robot. Specification: Features: Onboard LED feedback trigger status Support Arduino IDE programming, and provide runtime to simplify programming. Support Robobloq graphical programming for all ages. It is convenient to connect using the RJ11 interface. How to use it? Assembly: With four
