Datasheet

Electrical Information

Operating Voltage (Vcc) 3.5V – 5V

Number of ZIP LEDs 60

Number of external channels 3 (1x ZIP LED, 2x IO pin, each IO channel rated +3V at 50mA)

Max Current (ZIP LED running full RGB brightness) 0.9A (15mA per ZIP)

MEMS Microphone Sensitivity Typ: -42 dBV/Pa

MEMS Microphone Signal to Noise Ratio 59dB

MEMS Microphone P0 (analogue input)

P1 Breakout pin header

1 – P1

2 - +V (Battery Voltage)

3 - GND

P2 Breakout pin header

1 - P2

2 - +V (Battery Voltage)

3 - GND

ZIP LED P8

Buzzer P14

RTC P19 & P20 (using the I2C lines)

BBC micro:bit Pin Connection Information

™Halo HD Board for the BBC micro:bit