Module with 8 digital outputs


8 transistor outputs

500 mA per output

External power supply

Outputs require an external
power supply (up to 30V)

I2C interface

Texas Instruments
TCA9534A-based module

8 LEDs

Output status LEDs

Suitable for
relay control

It has diodes for
self-induction suppression

Up to 16 modules in one device

You just need to set some jumpers
A full module schematic is available
Outputs connection