com/products/14131) and the [Simultaneous RFID Reader](https://www
to turn it off simply remove power
so thermal issues should be taken into consideration for high currents
Relay Shield for Arduino V2
Features 08M2 14M2 18M2 20M2 20X2 28X2 40X2 Memory Capacity (bytes) 2048 2048 2048 2048 4096 4096 4096 RAM (bytes) 128 512 256 512 256 1280 1280 Byte Variables (bytes) 28 28 28 28 56 56 56 Input/Output Pins 6 12 16 18 18 22 33 ADC/Touch Pins 3 7 10 11 11 16 27 Max
Capacitive Fingerprint Sensor / Scanner (UART, 80 Fingerprints) Shipping:2-4 Weeks com/products/14131) and the [Simultaneous RFIDThis capacitive fingerprint sensor supports fingerprint capture, image processing, fingerprint storage, fingerprint comparison, and so on. Taking ID809 high performance processor and semiconductor fingerprint sensor as the core, the sensor adopts built in IDfinger6. 0 algorithm, which can complete all fingerprint identification work independently. The product supports UART communication. When working with the Arduino library, it can easily realize