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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

24h
Available
Available quantity: 3
Kamami is the official distributor of DFRobot modules and development kits. All boards of this brand in our offer are original and come directly from the manufacturer.
 

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free shipping in Poland for all orders over 500 PLN

 

Same day shipping

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14 days for return

Each consumer can return the purchased goods within 14 days

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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