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 ..
BH1750 I2C Light Sensor Module
This module interfaces to the BH1750 Light Sensor made by Rohm Semiconductor. This is a simple, inexpensive light sensor which provides reasonably accurate, quantitativ..
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..
EEPROM I2C Module - AT24C256
If you need to do some data storage in Arduino but found that the EEPROM in ATmega chip too limited, then this I2C EEPROM module is your best choice. This module is based..
I2C/SPI BUS to Dual Channel Serial
The CJMCU-752 is an I2C-bus/SPI bus interface to a dual-channel high performance UART offering data rates up to 5 Mbit/s, low operating and sleeping current; it als..
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..
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 Environment Combo Breakout - CCS811/BME280 (Qwiic)
The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 an..
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..
SparkFun Qwiic MP3 Trigger
The Qwiic MP3 Trigger comes with a microB connector and the WT2003S MP3 decoder IC that gives you access to the files on the microSD card. Simply plug in the Qwiic MP3 Trig..
SparkFun Qwiic PCA9615 Differential
The SparkFun Differential I2C Breakout is the fastest and easiest way to extend the range of your I2C communication bus. The breakout uses NXP’s PCA9615 IC, which ..
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..
You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize "Uh oh, this chip has a fixed I2C address, and from what I know about I2C, ..