CH423S 24 GPIO Expander I2C Module
Prices updated: 12 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 UGE | CH423S 24 GPIO Expander I2C Module | 171 EGP | View in store |
Price history
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Lowest price recorded: 171 EGP
About this product
Compact I/O expander module built around the CH423S chip, providing 24 GPIO pins controlled over an I2C interface. It lets a microcontroller such as an Arduino or ESP board add digital inputs and outputs while using only two bus lines. The module supports 3.3V and 5V power.
Specifications
- Chip
- CH423S
- GPIO pins
- 24
- Interface
- I2C
- Power supply
- 3.3V / 5V
Frequently asked questions
What is the price of CH423S 24 GPIO Expander I2C Module in Egypt?
CH423S 24 GPIO Expander I2C Module currently costs 171 EGP in Egypt.
Where can I buy CH423S 24 GPIO Expander I2C Module in Egypt?
CH423S 24 GPIO Expander I2C Module is available from UGE. Compare the offers above to find the best price.
How do I wire this module to an Arduino?
Connect VCC and GND to power, and connect SDA and SCL to the I2C pins of your board (A4 and A5 on classic Arduino Uno, or the dedicated SDA/SCL pins on newer boards). Power only with the voltage your module supports.
Can I use it with a 3.3V microcontroller like ESP32?
The module supports 3.3V power, so it is compatible with 3.3V boards. Make sure the I2C logic levels match your microcontroller and confirm the I2C address and pull-up setup in the module documentation.
