or any device with a logic-level output can be read by these inputs
the USB-I2C will send a return frame comprising the battery voltage (0x00 - see above)
Transparent USB->serial mode
we just couldn\'t tell them no
The ATmega16U2 (or 8U2 in the rev1 and rev2 boards) firmware source code is available
Nordic nRF52840 BLE Module (MDBT50Q-1MV2) Shipping:2-4 Weeks or any device with aRaytac's MDBT50Q is a BT 5. 2 stack (Bluetooth low energy or BLE) module designed based on Nordic nRF52840 SoC solution, which incorporates: GPIO, SPI, UART, I2C, I2S, PMD, PWM, ADC, NFC and USB interfaces for connecting peripherals and sensors. It features an embedded 2. 4GHz transceiver supports Bluetooth 5. 2, IEEE 802. 15. 4 (Thread & Zigbee) & 2. 4Ghz RF & ANT+ upon customer's preference. Compact size with (L) 15. 5 x (W) 10. 5 x (H) 2. 05 or 2