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 ..
16-bit remote bidirectional I/O port
High-speed I2C™ interface (MCP23017)
High-speed SPI interface (MCP23S17)
Three hardware address pins to allow up to eight de..
Adafruit LCD I2C Breakout Board for LCD
LCD backpacks reduce the number of pins needed to connect to an LCD. LCDs are a fun and easy way to have your microcontroller project talk back to you. Chara..
ADC 12-Bit 4 Channel
If you need low a 12 bit Analog to digital converter with higher-precision ADC the ADS1015 provides 12-bit precision at 3300 samples/second over I2C. The chip can be configured..
ADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier (I2C Interface)
The ADS1115 and ADS1015 4-channel breakout boards are perfect for adding high-resolution analog to digital conversion..
Bargraph 24 SEG 12C
What's better than a single LED? Lots of LEDs! A fun way to make a small linear display is to use two 12-bar Bi-color bar-graphs. However, this LED bargraph is 'multiplexed' - s..
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..
BME280 I2C or SPI Temperature Humidity Pressure Sensor
Bosch has stepped up their game with their new BME280 sensor, an environmental sensor with temperature, barometric pressure and humidity! This..
DS2413 I2C Breakout - 2GPIO
You're too cool for I2C, and SPI has so many wires, 8-bit parallel... how can that be fashionable!? You are a 1-Wire kinda gal, and you want more 1-Wire breakouts in you..
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 8-Bit I/O Expander
Operating supply voltage 2.5 to 6 V
Low standby current consumption of 10 µA maximum
I2C-bus to parallel port expander
Open-drain interrupt ou..
I2C interface for LCD
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 ..
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..
Memory breakout 32K- I2C
FRAM, or Ferroelectric Ram, is the coolest new data storage method that all the fashion magazines are talking about. Oh wait, no that's quilted handbags. But FRAM is pretty..
Multiplexer 1-8 I2C
On the same I2C port, DFRobot Gravity: I2C Multiplexer solves the address conflict and enables the normal communication with multiple same-address I2C devices.
You just fou..
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 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, ..
Time-of-Flight Distance Sensor Carrier with Voltage Regulator
This sensor is a carrier/breakout board for ST’s VL6180X proximity and ambient light sensor, which measures the range to a target objec..
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.
USB to I2C converter
This USB2.0 Full Speed IC offers a compact bridge to I2C devices. The device is an I2C slave, capable of operating up to 3.4MBit/s, with low power consumption (8mA). This con..
Vernier Interface Shield
This is the Vernier Interface Shield, a simple add-on to give your Arduino the capability to interface with Vernier sensors. Attached to this interface shield are four Brit..
Wave BME280 Enviro Sensor
A tiny sensor breakout with BME280 onboard, sensing environmental temperature, humidity, and barometric pressure. It supports both I2C and SPI interfaces, also is compatib..
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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