Telephone Activated Relay Board Electronic Project Kits Modules
Telephone Activated Relay Board Switch Electronic Kits Modules Circuit Boards. Wide range for industrial, professional, educational and hobby applications
Telephone Activated Relay Board Electronic Project Kits Modules
Telephone Activated Relay Board Switch Electronic Kits Modules Circuit Boards. Wide range for industrial, professional, educational and hobby applications
Telephone Activated Relay Board Switches from our Electronic Kits & Modules range for industrial, professional, educational and hobby applications
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This kit makes it possible to turn up to three devices on or off over the telephone. It is also possible to check the condition of a switch (open or closed)...
K8086 Telephone Ring Detector with Relay Output Kit allows you to attach an external sounder to your phone line that will sound when the phone rings...
MK160 Remote Control Via GSM Mobile Phone kit is a useful little board that will enable you to turn equipment ON and OFF from any location with mobile phone coverage...
ASSEMBLED MMK160 Remote Control Via GSM Mobile Phone module is a useful little board that will enable you to turn equipment ON and OFF from any location with mobile phone coverage...
VM144 Telephone Ring Detector with Relay Output Module allows you to attach an external sounder to your phone line that will sound when the phone rings...
The Telephone Ringer Relay Switch connects to your phone line and can be used to activate an external siren, buzzer, bell, light, etc. in synchronisation with the incoming ringing signal...
Automatic telephone line switcher that alows TWO separate incoming phone lines to share a single fax, modem, answering machine or other device. When an incoming call is detected the circuit automatically switches that line to the connected device after two rings...
4/8 channel DTMF telephone activated relay board. Control up to 8 mains rated electrical device simply by calling your phone from any location in the world...
