How to Trigger a Transmitter by current without Pressing Button

Question from customer:

I would like to use a 12v DC electric current to tell a remote to send a signal to the receiver. Do you have any remote transmitters that accept a current instead of requiring a button to be pressed?

Answer:

We recommend the DC 5~28V triggered transmitter (CB-2V). With external input wires, your dc12V electric current can be input transmitter CB-2V. Transmitter can be triggered at once and transmits an rf signal “ON”. When stop inputting DC power, the transmitter is triggered and then transmits an rf signal “OFF”. So this remote control transmitter can accept a current instead of requiring a button to be pressed. Its transmission distance is about 1000m/3000ft theoretically.

low current triggered transmitter

You can add a rocker switch between transmitter and its power supply. (the following picture shows)

current triggered

And you can make this transmitter work with a receiver. (Just like picture shown). When transmitter transmits “ON” signal, the lamp is on; When transmitter transmits “OFF” signal, the lamp is off.

control led lamp

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