AZDelivery 2-relay module 5 V with optocoupler low-level trigger, compatible with Arduino including e-book : Amazon.de: Business, Industry & Science
Relais mit Logik ansteuern – Mikrocontroller.net
Solidremote 12V - 24V Secure Wireless RF Remote Control Relay Switch Universal 2-Channel 433MHz Receiver with 2 FCC ID Transmitters for Garage Door Openers, LED Lights etc (KIT-1) - - Amazon.com
Compare prices for 2-kanal Funkempfänger across all Amazon European stores
Madlife Garage Wechselkontakt-Relais mit Stecknuss-Halterung, 5 Stück, 12 V DC, SPDT mit 5 Steckern, 30/40 Amp, für Auto/Truck/Van/Motorrad/Boot : Amazon.de: Auto & Motorrad
Solidremote 12V - 24V Secure Wireless RF Remote Control Relay Switch Universal 2-Channel 433MHz Receiver with 2 FCC ID Transmitters for Garage Door Openers, LED Lights etc (KIT-1) - - Amazon.com
Temperaturregler mit Zeitschaltuhr TR-65 für Thermoelemente Typ K