Arduino Nicla Voice

Arduino® Nicla Voice
4 / 25 Arduino® Nicla Voice Modified: 05/01/2023
I/O
Castellated pads (J1, J2, J3)
1x I
2
C bus, also available on the ESLOV connector
1x Serial Port (UART)
1x SPI
2x ADC
GPIOs configurable voltage 1.8 V/3.3 V
1x Battery Input
Integrated battery charger and fuel gauge (BQ25120AYFPR) for 3.7V Li-Po battery
Power Input and Output (3.3 V, GND and VIN)
External PDM microphone connector (Via 4-pin 0.5 mm pitch FFC cable compatible with FH33J-4S ZIF
connector)