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Support USB Charge (Micro-USB Connector)
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Core51822 is a wireless module based on nRF51822 - the Multiprotocol Bluetooth® 4
Audio/Sound Detection Sensor Module - Arduino Compatible Microphone CMPNT Support USB Charge (Micro-USB Connector)Sound Detection Module Sensor for Intelligent Vehicle Compatible With Arduino is a Single channel signal output Sensor. The output is effective to the low level sound signal with good fidelity, When there is sound, outputs low level and signal light. It can be used for Acoustic control light, give sound and light alarm working with the Photosensitive sensor, and sound control, sound detect. (The Maximum induction distance is 0. 5M) Note: This sensor
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