Jumper Relayarduino Compatible 1-channel Relay Module With Optocoupler For High/low Triggers

3 Channel Relay Board allows you to control larger loads and devices like AC or DC motors, fans, light bulbs etc.

High/Low Level Trigger Relay Module,1/2/4/6/8 Channel,5V12V24V,Home I – TODOELEC E&E Market

1 Channel 1 CH 12V Relay Module Switch Timer Delay Relay Shield With Optocoupler Support Thermal

5v Dc 1 Channel Relay Module For Arduino In Pakistan

In-Depth: Interface Two Channel Relay Module with Arduino

1 Channel Relay Module For Arduino

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with Opto Isolation High Low Level Trigger

★ High-Quality Control★: Every Winscon Relay Module Board passed our top standard quality check and provide Maximum load: AC 250V/10A, DC 30V/10A With

12V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 1 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay

Relay supports Normally Open and Normally Closed Relay supports High-level Trigger or Low-Level Trigger selectable by a jumper Relay with Optocoupler

3pcs Relay Module for Arduino, ESP32, ESP8266, Raspberry Pi, 1 Channel, 5V, High/Low Level Trigger

3.3V 5V 12V 24V 1 Channel Relay Module High and low Level Trigger Dual Optocoupler Isolation Relay Module Board - AliExpress

SainSmart 4-Channel 5V Relay Module for Arduino Raspberry Pi –