PCF8591 Module Analog to Digital / Digital-Analog Converter Module with F-F Jumper Wire Digital Potentiometer Board Module Power on the device and

Power on the device and allow the optical sensor to initialize

NFC Battery Capacity 5000 mAh Li-ion Battery Life 8-10 hours continuous operation Operating System Android 11 Enterprise Edition Biometric Database Capacity Up to 100

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Begin setup by confirming your power supply delivers stable DC voltage between 12V and 24V with adequate current capacity

ensure all wiring complies with local electrical codes and that the adapter voltage rating of 250V AC is not exceeded

PCF8591 Module Analog to Digital / Digital-Analog Converter Module with F-F Jumper Wire Digital Potentiometer Board Module Power on the device andPCF8591 Module Analog to Digital Digital Analog Converter Module with F F Jumper Wire