DF Robot Gravity CH423 Digital IO Expander
The DFRobot CH423 pin expander enables expansion of the system with 24 additional digital I/O ports using the I2C interface. It features 8 GPIOs with interrupt functions and 16 GPIOs. Equipped with a Gravity connector and standard goldpin pins, it has a supply voltage range of 3.3V to 5V. Ideal for LED lighting, matrix displays, and extending projects with light points.
Quick Spec
- Built-in Chip: CH423
- Number of Pins: 24 I/O
- 8 GPIOs with interrupt functions
- 16 GPOs
- Communication Interface: I2C
- Interface Address: configurable from 0x20 to 0x3F
- Supply Voltage: 3.3 ~ 5V
- Current Consumption: 1mA
- I/O Current Capacity: 15mA
- Operating Temperature: -20 ~ +80°C
- Dimensions: 45 x 37mm
Wiring Diagram
Resources
Shipping List
- 1 x DF Robot Gravity CH423 Digital IO Expander
- 1 x 4-Pin JST-XH to Single DuPont Cable
DF Robot Gravity CH432 Digital IO Expander
- Brand: DF Robot
- Product Code: DFR0979
- Weight: 0.023kg
- Product Status : Active
Stock
| Warehouse | Stock Status | Location |
|---|---|---|
| Centurion | In Stock | FD023 |
| Stellenbosch | In Stock | Z3059 |
We ship free of charge between branches to complete your order.
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R135.00 (Inc Tax: R155.25)
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