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

Guide for Relay Module with Arduino

1CH Active H/L 3V OptoCoupler Relay Module

Valefod DC 5V Relay Module 1-Channel Relay Switch Hungary

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

In-Depth: Interface Two Channel Relay Module with Arduino

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

5v Dc 1 Channel Relay Module For Arduino In Pakistan

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✔️Can set high or low level trigger with jumper, to meet the demand of more trigger applications. ✔️With patch optical isolation, strong drive ability

2PCS Relay Module High Low Level Trigger Relays Board OPTO Isolation Optocoupler Support Modules for PI Arduino 1 Channel 5V