I2C LCD and Keypad Expander Module with Dual PCF8574T
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 UGE | I2C LCD and Keypad GPIO Expander Module with Dual PCF8574T | 228 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 228 EGP
About this product
An I2C I/O expander module built on two PCF8574T chips, providing two 8-bit parallel ports for a character LCD and a keypad. It reduces the number of microcontroller pins needed to drive the display and read keys, using a two-wire I2C bus. Each chip's address is set with solderable jumpers, and a potentiometer adjusts LCD contrast.
Specifications
- Interface
- I2C (IIC)
- Chips
- 2 x PCF8574T
- Parallel ports
- 2 x 8-bit (LCD and keypad)
- Working voltage
- 2.5 V to 6 V
- Address selection
- Solderable jumpers
- LCD contrast
- Potentiometer adjustable
- PCF8574T address range
- 0x20 to 0x27
Frequently asked questions
What is the price of I2C LCD and Keypad Expander Module with Dual PCF8574T in Egypt?
I2C LCD and Keypad Expander Module with Dual PCF8574T currently costs 228 EGP in Egypt.
Where can I buy I2C LCD and Keypad Expander Module with Dual PCF8574T in Egypt?
I2C LCD and Keypad Expander Module with Dual PCF8574T is available from UGE. Compare the offers above to find the best price.
Which LCD can I use with this module?
It is intended for character LCD modules, typically HD44780-compatible displays such as 16x2, connected through the I2C interface. Check the LCD's pin layout and make sure the display is compatible with the module before wiring.
How do I find the I2C address?
Upload an I2C scanner sketch to your Arduino to list the detected addresses. The PCF8574T uses addresses from 0x20 to 0x27, and the jumpers change the address. Set each of the two chips to a different address so they do not conflict.
