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Singe supply – 3V to 32V
since humans don't see IR
RFID Card 125khz which is widely used for RFID radio frequency identification system
Current Sensor (AC or DC) 5A MC33886 social insuranceIntroduction : Current Sensor ACS712 (AC or DC) 5A sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach
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