Description
Use the module's secure key exchange mechanism during device pairing
and other DIY carvings
Feature Details Battery Type 18650 Lithium-ion Output Voltage 5V DC Maximum Output Current 2
and probe structural integrity
MAX4466 Electret Microphone Amplifier with Adjustable Gain Module 12 V 1 Channel Relay Board Use the module's secure keyMAX4466 Electret Microphone Amplifier with Adjustable Gain Module