The micro: bit on its own has three digital/analog input/output rings available for you to use initially with alligator clips. With the micro: bit breakout we have broken out all 60 GPIO, power, and ground-to-pin outs in a 0.1 formation.

Specifications :

• Product - Expansion Board 
• miniature Buzzer - 1
• Operating Voltage - 5V DC
• Size - 57 x 37 x 20mm

Features :

• Powered on the indicator light will be red, with no power it won’t light up.
• The jumper cap IObit is plugged in by default.
• In the Make code, you can use the music column to program, and make a sound. Usually, there is no sound when you power it on.
• All the pins in the have been taken out without any reservation.
• 40P horizontal Socket compact size socket.

Package Include :

1 x Micro  Bit GPIO Expansion Board