door alarm using pro mini as external reset

• battery powered
• mqtt pub : door status, voltage
• esp8266 : deep sleep, pro mini : sleep with power down

• pro mini pin

pin	to
2	INPUT_PULLUP, magnetic door switch
5	buzzer vcc
6	buzzer i/o
7	esp8266 gpio 5
8	esp8266 gpio 16
9	esp8266 reset