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FTVOGUE DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch: : Industrial & Scientific

DC 5V 12V 16 Kanal Wifi Relais Modul Onboard ESP8266 WIFI Modul

POWER REVERSE CONNECTION -- With power supply reverse connection function to prevent damaging the module. The module uses genuine high-quality relay,

16 Channel Relay Module Walfront Two Way Isolated Type Optocoupler 16 Channel Relay Module Interface Board High/Low Level Trigger DC 5/12/24V 3 Types

433MHz DC 12V 24V 16 Kanal Relais Modul Wireless RF Fernbedienung Wechseln Sender + Empfänger - AliExpress

DC 12V 24V 16 Kanäle HF Funk fernbedienung schalter Fernbedienung system Empfänger Sender 16-Kanal-Relais

12V 16-Channel Relay interface board, and each one needs 15-20mA Driver Current Equipped with high-current relay, AC250V 10A ; DC30V 12A Standard

SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM

Relay Card. Buy HIGH-LOW-LEVEL Trigger - 4 Channel, 5V online for less

Buy 16-channel relay module with optoisolation - Botland - Robotic Shop

SainSmart 16-Channel 12V Relay Module for Arduino Uno Mega R3 Mega2560 Duemilanove Nano Robot

16 Channel Relay Module Walfront Two Way Isolated Type Optocoupler 16 Channel Relay Module Interface Board High/Low Level Trigger DC 5/12/24v 3