PCF8574 IO Expansion Board
The PCF8574 IO Expansion Board is used as remote 8-bit I/O expander for I2C-bus. Up to 8 PCF8574 IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ..
EEPROM Data Module - AT24C256
This I2C EEPROM module is your best choice if you want to use a module for storage of data in your projects. The module is based on the EEPROM chip AT24C256, which has 2..
MAX44009 Ambient Light Sensor - I2C
The MAX44009 ambient light sensor features an I2C digital output that is ideal for a number of portable applications such as smartphones, notebooks, and industrial..
Qwiic EEPROM - 512KBIT
You can add some data storage to your latest project with this 512Kbit (64KB) EEPROM.
Some flash based microcontrollers (like the SAMD21) do not have EEPROM.
SMART I2C LCD Interface
This LCD2004 is a great I2C interface for 2x16 and 4x20 LCD displays. With the limited pin resources, your project may be out of resources using normal LCD shield. With this I..
SparkFun LED Driver Breakout - LP55231
The SparkFun LP55231 LED Driver Breakout is a self-contained solution for developing and deploying the nine-channel I2C LED controller. Remarkably simple, the b..
SPI MCP23S17 16 I/O Module
This is a 16 IO extension module of the SPI interface, and uses the MCP23S17 chip of MicroChip. The chip is fully functional where each IO can be configured as input or out..
USB to I2C Adapter
This as a simple USB to I2C converter utilizing the CH341 chipset. This converter also gives you the possibility to switch between 3.3V and 5V.
Wave MCP23017 I2C I/O Expander - C & Python for Pi & Arduino code examples
The MCP23017 IO Expansion Board expands 2 signal pins as 16 I/O pins based on the I2C bus, up to 8 MCP23017 IO E..
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