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PCF8575 I/O Expander Module
Expand your I/O capabilities with this versatile module featuring 16-bit bi-directional pins.
- Item Type: PCF8575
- Operating Voltage(V): 2.5-5.5V
- Current Consumption (mA): 100mA (max)
- IC: 0x20 (default), can be changed by soldering A1 and selection pads A2
Top Features:
- 16 individually addressable pins
- Configurable for input or output
- Open drain interrupts output pin for input change interrupt
- Ideal for interfacing with MCUs for relay, buzzer, button, LED control
Are the I/O pins exhausted? This large module allows the user to expand up to 16 I/O with only two I/O for control. The PCF8575 is connected via an I2C interface and features 16-bit near-bi-directional input/output pins. Onboard 3.3V level converter circuit, if you don't have a solder pad of VCC-VDD, the PCF8575 level is 3.3V. If you solder it, the level will be the same as with VCC.
Package Includes: 1 x Expander Module
* Images are for illustration only; actual product may vary.