IO controller

8 Channel Silican Controller

JMDM 8-Channel Relay Controller

4 Channels Silicon Controller

Serial Port Control Relay Controller with 4 Channels Output

Serial Port Controller with 4 Channels Input and 16 Channels Output

RS232 Serial Prot Controller with 8 Channels Transistor Output

RS232 Serial Port Reply Controller with 8 Channels Relay Output

14 Points Singlechip Control Board

Industrial Grade Serial Port PLC Controller

6 Input 5 Output Relay Output Controller

Digital Tube Display Auto Water Vending Machine Controller with Coin and IC Card

Industrial-Grade 4 Inputs and 2 Outputs Serial Port Controller, Water Sale Controller