We will be attending Prototype Rails on January 6-8, 2022, in Cocoa Beach, FL. If you’re in the area, or already planning to attend, please take in some great clinics and stop by our tables and say hi. Hope to see you there! Note: Shipping of orders received Jan 5-17 may be delayed. Normal operations should resume Jan 18.

I2C Accessories

16-Channel I2C Relay Board Driver

16-Channel I2C Relay Board Driver

The I2C-RELAY16 is designed to piggyback on commonly available, Chinese-made, boards with 16 SPDT re..

$20.00

40-Channel I2C Digital I/O Expander

40-Channel I2C Digital I/O Expander

The I2C-XIO is a 40-channel digital I/O expander with an I2C interface, based on the NXP PCA9698.&nb..

$70.00

Qwiic-Compatible 16-Channel I2C Relay Board Driver

Qwiic-Compatible 16-Channel I2C Relay Board Driver

The I2C-RELAY16-QWIIC is a Qwiic-compatible relay driver board designed to piggyback on commonly ava..

$20.00

I2C/Qwiic Address Translator

I2C/Qwiic Address Translator

Have you ever wanted to use multiples of particular I2C device, but it doesn't support enough altern..

$15.00

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