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Gravity: CH423 I2C 24 Digital IO Expansion - GPIO expander module
ID: 1182940
zł23.95
Tax included
zł19.47 tax excl.
A 24-channel input/output port expander module controlled by an I2C interface. It was based on the CH423 chip and equipped with a Gravity connector. DFRobot DFR0979
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Description
A 24-channel input/output port expander module controlled via I2C interface. It is based on the CH423 chip. Each IO pin can be configured as an input or output, including 8 with a hardware interrupt function. The maximum output current should not exceed 15 mA, and the pins are compatible with 3.3 V and 5 V. The expander will prove useful for LED lighting or matrix display projects. Full documentation is available on the product wiki page.
Features
- Chip: CH423
- Number of IO: 24 (input, output)
- 8 pins with interrupt function
- IO current capacity: 15 mA
- I2C interface
- I2C address: 0x20 to 0x3F
- Operating voltage: 3.3 V or 5 V
- Operating temperature: -20°C to 80°C
- Dimensions: 40 x 37 mm
Kit contains
- Gravity Module: CH423 I2C 24 Digital IO Expansion
- Gravity I2C/UART 4-pin cable
1182940
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A 24-channel input/output port expander module controlled by an I2C interface. It was based on the CH423 chip and equipped with a Gravity connector. DFRobot DFR0979