Arduino Nano 33 BLE

Controller: nRF52840 Operating voltage: 3.3 volts Power supply voltage: 21 volts Current draw per digital port: 15 milliamps Controller speed: 64MHz CPU flash memory: 1MB SRAM: 256 KB EEPROM: none Digital ports: 14 Analog inputs: 8 All digital ports include PWM UART port SPI port I2C port Sensors: none Dimensions: 45*18 cm Weight: 5 grams