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Aitiao 10Pcs Pcf8575 Io Expander Board Module I2C To 16 Io Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
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Vendor: Aitiao
Type: Single Board Computers
Sku: WBEEAB0B82R7R17
Availability: In Stock
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Aitiao 10Pcs Pcf8575 Io Expander Board Module I2C To 16 Io Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
$23.44
Frequently Asked Questions
- Q: What is the working voltage range for the AITIAO PCF8575 IO Expander Board? A: The AITIAO PCF8575 IO Expander Board operates within a working voltage range of 2.5 to 5.5V DC, making it versatile for various microcontroller applications.
- Q: How can I modify the I2C address on the PCF8575 module? A: The default I2C address for the PCF8575 module is 0x20. You can modify it by installing jumpers A1 and A2 on the board to set a different address as needed.
- Q: What are the main features of the PCF8575 IO Expander Board? A: The PCF8575 IO Expander Board features 16 individually addressable pins, each configurable for input or output. It also includes an open-drain interrupt output pin for detecting input changes and is compatible with libraries for PCF8575.
- Q: Can the AITIAO PCF8575 module be used with Arduino boards? A: Yes, the AITIAO PCF8575 IO Expander Board is compatible with Arduino and other microcontroller platforms, making it great for controlling devices like relays, buzzers, buttons, and LEDs.
- Q: Is there any special setup required for using the PCF8575 with 3.3V logic? A: Yes, the PCF8575 module has an onboard 3.3V level converter circuit. If you do not solder the VCC-VDD pad, the module will operate at 3.3V. Soldering this pad allows the logic level to match the VCC voltage.