PCF8574 I2C I/O Expansion Module, 8-Bit
Prices updated: 12 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Makers ElectronicsCheapest | PCF8574 I2C I/O Expansion Module | 95 EGP | View in store |
| Circuits Electronics | PCF8574 I2C I/O Expansion Module | 115 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 95 EGP
About this product
The PCF8574 I2C I/O expansion module adds 8 digital input/output pins to a microcontroller over the I2C bus. It is used to expand GPIO capacity in embedded projects, for example driving LEDs, reading switches or controlling relays.
Specifications
- I/O pins
- 8
- Interface
- I2C
- I2C address range
- 0x20 to 0x27
- Chip supply voltage
- 2.5 V to 6 V
Frequently asked questions
What is the price of PCF8574 I2C I/O Expansion Module, 8-Bit in Egypt?
PCF8574 I2C I/O Expansion Module, 8-Bit currently costs between 95 and 115 EGP across 2 offers in Egypt.
Where can I buy PCF8574 I2C I/O Expansion Module, 8-Bit in Egypt?
PCF8574 I2C I/O Expansion Module, 8-Bit is available from Makers Electronics and Circuits Electronics. Compare the offers above to find the best price.
What I2C address does it use?
The PCF8574 address ranges from 0x20 to 0x27, set by the A0 to A2 address pins on the chip.
Can I use it with a 5 V board such as Arduino Uno?
The chip supply range of 2.5 V to 6 V covers 5 V boards. Make sure the I2C pull-up resistors match the bus voltage of your board.
