The expansion board comes with 6 fool-proof 3-Pin sockets, compatible with hundreds of DFRobot’s Boson and

Gravity modularized electronic blocks, covering most popular digital and analog sensors and actuators, supporting

sound, light and motion interaction.

Click the link to learn more about DFRobot’s Boson module: https://www.dfrobot.com/boson

Click the link to learn more about DFRobot’s Gravity module: https://www.dfrobot.com/gravity

Moreover, the on-board 3.5MM headphone jack and volume knob supports direct connection of headphone.

To ensure a steady current supply for these peripherals, the expansion board can be powered externally through the

USB power port.

micro:bit Boson game pad