Highlights
the arduino nano 33 ble is based on the nrf52840 microcontroller
operating voltage 3.3v
input voltage (limit) 21v
dc current per i/o pin 15ma
clock speed 64mhz
cpu flash memory 1mb (nrf52840)
sram 256kb (nrf52840)
eeprom none
digital input / output pins 14
pwm pins all digital pins
uart 1
spi 1
i2c 1
analog input pins 8 (adc 12 bit 200 ksamples)
analog output pins only through pwm (no dac)
external interrupts all input pins
led_builtin 13
usb native in the nrf52840 processor
length 45 mm
width 18mm