HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

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

1 Channel 5V Relay Module with High/Low Level Trigger – Konnected

DIANN 12pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Support High/Low Level Trigger - Yahoo Shopping

How to use 1-Channel DC 5V Relay Module(High-Level Trigger) with Arduino&Raspberry Pi

Maximum load: AC 250V/10A, DC30V/10A SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA Each channel module

2 pcs 5V 2 Channel DC 5V Relay Module with Optocoupler High/Low Level Trigger Expansion Board

5V 1 Channel Level Trigger Optocoupler Relay Module For Arduino

HiLetgo DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module for ArduinoPack of 2pcs

2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger - Yahoo Shopping

NOYITO 30A 1-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control (1-Channel 5V) - Yahoo Shopping

HiLetgo 4 Channel 24V Relay Module with Opto-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control

5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial