DFRobot Gravity：Ch423 I2C 24 デジタル IO拡張モジュール

DFRobot Gravity: Ch423 I2C 24 Digital IO Expansion Module

DFRobotSKU: RB-Dfr-1282
Manufacturer #: DFR0979

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¥842

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DFRobot Gravity: Ch423 I2C 24 Digital IO Expansion Module
Expands 24 digital ports via I2C
Features 8 GPIO ports with interrupt functions
Includes 16 GPO ports
Can statically drive 24 LED tubes or dynamically drive 128 LEDs
Ideal for projects requiring LED tubes, dot matrix screens, or light cubes

The DFRobot Gravity: Ch423 I2C 24 Digital IO Expansion Module is an IO expansion board that utilizes the CH423 chip to extend 24 digital ports via I2C. This includes 8 General Purpose Input/Output (GPIO) ports with interrupt functions and 16 General Purpose Output (GPO) ports.

The CH423 chip is equipped with an integrated current drive circuit that provides a continuous drive current of 15 mA. This allows it to statically drive 24 LED tubes or dynamically drive 128 LEDs. The module is particularly suitable for projects that require the use of LED tubes, dot matrix screens, or light cubes.

1x Gravity: CH423 I2C 24 Digital IO Expansion Module
1x Gravity-4P I2C/UART Sensor Cable

45 x 37 mm / 1.78 x 1.46 inch

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DFRobot Gravity: Ch423 I2C 24 Digital IO Expansion Module - Wiki

Power Supply: 3.3 ~ 5 V
Static Current: 1 mA
IO Continuous Driving Current: 15 mA
Communication: I2C
I2C Address: 0x20-0x3F (The module occupies an I2C address of 0x20-0x3F and cannot work with an I2C device in this address range.)
Operating Temperature Range: -20 ~ 80 °C

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DFRobot Gravity: Ch423 I2C 24 Digital IO Expansion Module

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