Micro-Bit Expansion Board IOBIT V2.0 Adapter Shield with Buzzer for 7553

Micro-Bit Expansion Board IOBIT V2.0 Adapter Shield with Buzzer for 7553 Compatible With: Micor:Bi
Accessory Type: Extension Board
5V 1A power supply for greater driving force
3.3V and 5V power interface
Support 3V5V sensor module
all pins lead
3.5mm audio connector
5 gold fingers
Builtin buzzer (switch switching)
With mounting holes
Yellow and black differentiated 3PIN interface
5V 1A selfrecovery fuse
colour:black
Material:ABS
size: 56 x 44 x 12mm

Package Contents:
1 * Expansion board
Note
1. When using power supply, IO port current is less than 200ma, please do not connect high current devices (such as large servo, DC motor), otherwise it burn out .
2. When using a 5V external power supply, you can drive multiple small servos, but please note that the current should not exceed 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 placed on the off side, otherwise the buzzer sound or the IO read value be abnormal.
5. Use the shared pin with the dot matrix (such as 3, 4, 5, 6, 7, 8, 9, 10, 11), remember to disable the dot matrix screen on the software.
6. Do not use IO19,20.19and 20 can not be used as an IO port, only for 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 reflection 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.