Functions:
- This is the I/O extended module, which use for I2C interface, you can use two of the module to extend 8 I/O.
- Support cascading, and you can use at most 8 modules to extend 64 I/O at the same time.
- It can be changed the address by set toggle switch
- Every 2 seconds, make P0-P7 port output High level, Low level, and put 3 toggle switches to ON, the address of module is 0x27.

Package Type:
All goods will pack into cartons and wrapped full of waterproof tape before shipment.

We can accept customized package to meet different requirements:
1.Every item will separately pack into plastic bag ,component, module can be packed in anti static bag.
2.Some fragile products such as the display screen can be packed in bubble bag.
3.Some large machines can be packed in wooden cases.
4.We can label JH code or client's code on package so that customers can check easily after receive goods.