Bit Expansion Board Breakout Adapter with Buzzer

Compatible With: BBC Micor:Bi
Accessory Type: Extension Board
5V 1A power supply for greater driving force
3.3V and 5V power interface
Support 3V5V sensor module
:bit all pins lead
3.5mm audio connector
5 gold
Builtin buzzer (switch switching)
With mounting holes
Yellow and black differentiated 3PIN interface
5V 1A selfrecovery fuse
colour:black
Material:ABS
size: 57*37*12mm

Package Contents:
1 * Expansion board
Note
1. When using :bit power supply, IO port current is less than 200ma, do not connect high current devices (such as servo, DC motor), otherwise it will burn out :bit.
2. When using a 5V external power supply, you can drive multiple small servos, note that the current should not 1A.
3. If you use the high-low read function of the pin, you must set the pull-down on the pin.
4. If P0 is used as a normal IO port, the buzzer toggle switch must be pd on the off side, otherwise the buzzer will sound or the IO read value will be abnormal.
5. Use the shared pin with the :bit dot (such as 3, 4, 5, 6, 7, 8, 9, 10, 11), to disable the dot screen on the software.
6. Do not use IO19,20.19and 20 can not be used as an IO port, I2C communication.
7. The USB port allows a maximum input current of 1A.
8. Do not use on metal products to avoid short circuits.
Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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