Particle Xenon - Nordic nrf52840 Development Kit

nRF52840 Dev Board with USB, 1MB Flash, 256KB RAM. ADC, PWM, SPI, I2C GPIOs

NRF52840 Development Board BT5.0 Bluetooth Module MCU Main Control Board5351

NRF52840 Development Board BT5.0 Bluetooth Module MCU Main Control Board2511

NRF52840 Development Board BT5.0 Bluetooth Module MCU Main Control Board7174

NRF52840 Development Board BT5.0 Bluetooth Module MCU Main Control Board6399

NRF52840 Development Board BT5.0 Bluetooth Module MCU Main Control Board9155

NRF52840 Development Board BT5.0 Bluetooth Module MCU Main Control Board4435