2262/2272 four-way wireless remote control kit M4 lock ... , respectively, VT, D3, D2, D1, D0, the +5 V and GND. VT is a valid signal high output pin Upon ... to the receiving board output pin D0, D1, D2, and D3 of. Press the buttons transmit signals, the corresponding data ... bit is output high. Four wiring instructions New 2262/2272 four-way wireless remote control kit M4 lock receiver ...