Tag Archives: tank full alarm

DIY Wireless Water Level Alarm (RF 434 Mhz)

      Components required : A) RF Circuit (434 Mhz)  : Circuit Video here1) 1 x RF Module Tx + Rx (434 Mhz) (Buy here)2) 1 x HT 12E (Encoder) + HT 12D (Decoder) + Resistors (1M,50K) (Buy here)3) 1 x General Purpose PCB (Buy here)4) 2 x 7805 Based Power Supply Circuit Components (Buy here)5) Led (Buy here)+ Switchs […]