Tag Recognition: Use QR codes and other visual tags to create interactive museum exhibits
HMAC and Digital Signature module
TheBarcode Scanner Module (D)is a round 2D barcode scanner module with LED indicator
Panasonic_SDFormatter
WS1842714 is an M12 lens with 14MP high resolution and 184
1.9inch Segment E-Paper Module, 91 Segments, I2C Bus, Ideal for Temperature and humidity meter, Humidifier, Digital Meter Classic Tag Recognition: Use QR codesDescription 1. 9inch Segment E Paper Module, 91 Segments, I2C Bus, Ideal for Temperature and humidity meter, Humidifier, Digital Meter Features No backlight, keeps displaying last content for a long time even when power down Ultra low power consumption, basically power is only required for refreshing I2C interface, for connecting with controller boards like Raspberry Pi Arduino STM32, etc. Onboard MOS voltage translating circuit, compatible with 3. 3V