I connected wires from the NO relay terminal on my gates keypad and soldered to the button on a tx134 keyfob. When someone enters the correct code on the gate keypad the relay simulates a 1 second button press on the tx134 keyfob and opens our security gate.
This works perfectly for 1-5 days before the coincell battery dies and the led starts flashing. It seems simply connecting to the NO relay terminals on the keypad is leeching power through the remotes button contact pads. I considered putting a bigger 3v battery on the keyfob but the coincell should be sufficient for many months/years of operation when only used every other week or so.
Any ideas why the tx134 battery is draining so quickly in this setup? Is there a better transmitter for this purpose? Not being electronics savvy I assume there may be something I could soldier in line to prevent voltage loss from the tx134s button terminals.