Alinan 8pcs PCF8575 IO Expander Board Module I2C to 16 IO Integrated Circuits I2C Communication Control 16 bit SMBus I/O Ports
Product details
| Management number | 221440249 | Release Date | 2026/05/03 | List Price | $6.80 | Model Number | 221440249 | ||
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Specification: Available Library: PCF8575 Working Voltage: 2.5 - 5.5V DC Working Current: 100mA(MAX) I2C address: 0x20(default),can be modified by installing A1 and A2. 16 individually addressable pins. Each pin configurable for input or output Open-drain interrupt output pin for input change interrupt. Great for R3 and other MCU to control simple relay, buzzer, button, led. Size: 4x2.1cm/1.57x0.83inch Note: On board 3.3V level converter circuit, if you donot solder VCC-VDD pad, the PCF8575 level is 3.3V. If you solder it, the level will be the same with VCC.
- ★Working Voltage: 2.5 - 5.5V DC; Working current: 100mA(MAX); Application: Great for UNO R3 and other MCU to control simple relay, buzzer, button, led.
- ★Available Library: PCF8575; I2C address: 0x20(default), can be modified by soldering A1 and A2 selection pads.
- ★16 individually addressable pins. Each pin configurable for input or output. Open-drain interrupt output pin for input change interrupt.
- ★PCF8575 module allows the user to expand up to 16 I/O using only two I/O for control! The PCF8575 is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins.
- ★On board 3.3V level converter circuit, if you do not solder VCC-VDD pad, the PCF8575 level is 3.3V. If you solder it, the level will be the same with VCC.
| Item Weight | 1.13 ounces |
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| Manufacturer | Alinan |
| Package Dimensions | 3.7 x 2.76 x 1.02 inches |
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