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Feature:

1. Compatibility Level: Changes in the state of an input port can generate an interrupt output (INT). On board level conversion circuit, compatible with 3.3V/5V working level.
2. Support 4 Expansion Modules: I2C communication address can be set, short circuit AO, A1 solder joint can modify the communication address, support the use of 4 expansion modules.
3. I2C Interface Control: I2C interface control, only 2 signal lines are needed to expand 16 I/O ports.
4. Current Controllable: The Extension module supports 16 channel common anode constant current ED drive, 256 step linear dimming, and current controllable.
5. Two Interface Types: The I2C interface expand board provides two interface types, PH2.0 terminal and pad, and supports parallel connection of multiple I2C modules.

Specification:

Item Type: IO Expansion Board
Material: PCB
Working Voltage: 2.4-5.5V
Working Temperature: Minus40 to 80℃
Control Interface: I2C
Number of Expansion I/O Ports: 16
VCC: Positive power supply, can be connected to 3.3V/5V power supply
GND: Power Ground
SDA: I2C Data Line
SCL: I2C Clock Line
INT: Interrupt Output
RST: Hardware Reset
Size: Approx. 38 x 23mm / 1.5 x 0.9in

Package List:

1 x IO Expansion Board

1 x For Wire

1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

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