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The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.…
The SparkFun Qwiic Mux Breakout enables communication with multiple I2C devices that have the same address that makes it simp…
This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like…
Different parts sometimes use different voltage levels to communicate. This PCA9306 Level Translator can be the key to making…
This is a board designed for [opto-isolation](http://en.wikipedia.org/wiki/Opto-isolator). This board is helpful for connecti…
The SparkFun 8 Channel Level Shifter Breakout features the TXS0108E 8-bit, bi-directional logic level translator from Texas I…
This is a breakout board for the Texas Instruments TXB0104 module. The TXB0104 is a 4-bit bidirectional voltage-level transla…
Are you low on I/O? No problem! The SX1509 Breakout is a 16-channel GPIO expander with an I2C interface – that means with j…
The SparkFun Multiplexer Breakout provides access to all pins and features of the 74HC4051, an 8-channel analog multiplexer/d…
Do you have too many sensors with the same I2C address? Connect them to the SparkX PCA9846 Qwiic Mux to get them all talking …
The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package.
Sometimes you've got way too many inputs, or outputs... or both. How are you going to get them all connected to your Arduino?…
The Qwiic GPIO, based on the TCA9534 I/O Expander IC adds an additional 8 IO pins which you can read and write just like any …
Arduino Opta is a secure, easy-to-use micro PLC (Programmable Logic Controller) with Industrial IoT capabilities.
This is a breakout for the SOIC version of the 74HC595 shift register IC. Clock in data and latch it to free up IO pins on yo…
The SN74HC595N is a simple 8-bit shift register IC.
This 6N137 diode-transistor photocouplers consist of an LED, optically coupled to a high speed photodetector.
The MCP23008 uses two I2C pins which can be shared with other I2C devices, and in exchange gives you eight general purpose pi…
Texas Instruments CD74HC4067 16-Channel multiplexer. What can you do with it? How about taking an analog to digital reading f…
