Gravity CH423 I2C 24 Digital IO Port Expander
This IO expansion card, based on the CH423 chip, offers 24 digital ports via I2C, including 8 GPIOs with interrupt functions and 16 GPOs. CH423 has a built-in power driver circuit that provides a continuous current of 15mA, which can drive 24 LED tubes statically or 128 LEDs dynamically. The CH423 I2C to GPIO IO Expander is suitable for projects with LED tubes, dot matrix screens, light cubes etc.
Documentation:
Technical Details:
- Manufacturer: DFRobot
- Manufacturer SKU: DFR0979
- Communication Interface: I2C
- I2C Address: 0x20-0x3F
- Power Supply: 3.3V to 5V
- Static Current: 1mA
- IO Continuous Driver Current: 15mA
- Operating Temperature Range: -20°C to 80°C
- Dimension: 45 x 37 x 12mm
- Weight: 22g
Scope of Delivery:
- 1x Gravity CH423 I2C 24 Digital IO Port Expander
- 1x 4pin connection cable 30cm
Gravity CH423 I2C 24 Digital IO Port Expander
- Brand: DFRobot
- Product Code: 422590
- Availability: In Stock
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CHF7.90
- Ex Tax: CHF7.31
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Tags: CH423, Digital, IO, Expansion, Extension module, Gravity, I2C, Port Expander, Port Expansion, IO, 3.3V, 5V, I2C