Description
Technical Specifications
- Processor: nRF52840 (32-bit ARM® Cortex®-M4) running at 64 MHz.
- Memory: 1MB Flash memory and 256KB SRAM.
- Operating Voltage: 3.3V (Warning: It is NOT 5V tolerant).
- Connectivity: Bluetooth® 5.0 Low Energy (BLE) via the u-blox NINA-B306 module.
- I/O Pins: 14 digital pins (all support PWM and external interrupts) and 8 analog input pins



