I2C Expansion Board
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- Boards, Modules and Accessories, Sensors And Modules
PCF8574 I2C Expansion Board Adapter Module
- Adds 8 bidirectional digital I/O pins via I2C to microcontrollers.
- Uses PCF8574 I2C I/O expander chip for reliable GPIO expansion.
- Compatible with Arduino, ESP32, ESP8266, and Raspberry Pi.
- Configurable I2C addresses allow multiple modules on one bus.
- Wide operating voltage: 2.5V to 6V for 3.3V and 5V systems.
- Ideal for LCDs, keypads, sensor arrays, relay control, and robotics.
SKU: n/a - Boards, Modules and Accessories
CJMCU-9548 TCA9548A 8-Channel I2C Expansion Board
– Expand one I2C bus to 8 independent channels with the TCA9548A multiplexer.
– Compatible with Arduino, Raspberry Pi, and most microcontrollers.
– Resolve I2C address conflicts and connect multiple identical sensors or displays.
– Compact CJMCU-9548 breakout for easy integration in robotics, IoT, and embedded projects.
– Simple control via I2C commands; supports up to 8 devices with minimal interference.
– Ideal for prototyping, labs, and industrial automation in Pakistan.SKU: n/a
