Amazon.com: HiLetgo 5V 8 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger : Industrial & Scientific
Timer Delay Relay DC 5V 12V 24V On Off Timer Module Trigger Cycle Dual MOS Delay Control Board with Digital Tube Display and Protective Shell for Smart Home, Automatic Control - Amazon.com
2 Channel Relay Module 5V 12V 24V Control Board with Optocoupler Isolation High and Low Level Trigger 50x41x18.5mm (24V): Amazon.com: Industrial & Scientific
Amazon.com: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
NOYITO 4-Channel Relay Module 5V 12V 24V High Low Level Trigger with Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 5V, Red): Amazon.com: Industrial & Scientific
DC 12V Circuit Trigger Switch Relay Single Channel Bistable Control Relay Module: Amazon.com: Industrial & Scientific
2 Channel Relay Module 5V 12V 24V Control Board with Optocoupler Isolation High and Low Level Trigger 50x41x18.5mm (24V): Amazon.com: Industrial & Scientific
5 Stück Relais Modul 5V, 1 Kanal Relaisplatine mit Optokoppler, High Level Trigger Relaismodul, Low Level Trigger Erweiterungsplatine, Relaisschalt Modul für Arduino 5 V/12 V/24 V (5V) : Amazon.de: Baumarkt
Amazon.com: DSD TECH 12V Bluetooth Relay Module for Remote Control Switch Compatible with iPhone and Android 4.3 : Electronics
5V/12V/24V Optocoupler Relay Module LED Indicator Mini Size High Low Trigger Expansion Board Strong Driving Ability 4channel for Arduino Industrial Electrical(12V): Amazon.com: Industrial & Scientific
NOYITO 4 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 10A for PLC Automation Equipment Control (4-Channel 12V): Amazon.com: Industrial & Scientific