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

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

$70.00

DCC Decoder Shield for Arduino

The ARD-DCCSHIELD is an optoisolated interface shield for connecting an Arduino (as a decoder) to a ..

$30.00

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