SparkFun gator:microphone - micro:bit Accessory Board

The SparkFun gator:microphone is a micro:bit Accessory Board that integrates an electret microphone into SparkFun's gator:bit series of gator-clippable accessories, enabling it to be easily interfaced with the micro:bit or other microcontrollers!

GNDgator:bit contact pad
Ground reference/return.
Type · ground
3.3Vgator:bit contact pad
3.3V power input to sensor.
Type · power
SDAgator:bit contact pad
I2C data between sensor and microcontroller.
Type · i2c
SCLgator:bit contact pad
I2C clock from microcontroller.
Type · i2c

Pin

Start wiring

I2C

Confirm the data interface matches your host board.

Module pins: 3.3V, GND, SDA, SCL. Schematik maps them to your board in the app.

Related groups

4 groups

Connectors

Sort passive connector adapters from Qwiic boards, LCD modules and microSD card adapters before assuming anything with the right plug will substitute safely.

Connectors & cables · Connectors · 28 parts

Displays

Character LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.

Displays · TFT & LCD displays · 33 parts

Air quality

Choose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.

Sensors · Gas & air-quality sensors · 29 parts

MCUs and boards

ESP32, Arduino Uno, Raspberry Pi Pico, and compatible add-on boards for running builds.

Boards · Microcontroller boards · 24 parts

GND	gator:bit contact pad	ground	Ground reference/return.
3.3V	gator:bit contact pad	power	3.3V power input to sensor.
SDA	gator:bit contact pad	i2c	I2C data between sensor and microcontroller.
SCL	gator:bit contact pad	i2c	I2C clock from microcontroller.

Pinout

Start wiring

Connectors

Displays

Air quality

MCUs and boards