Hardware Setup

List of parts

Hot Air Soldering Gun

USB TTL adapter
NodeMCU or Wemos D1 Mini
Door Sensor ( NC - Normally Closed)
Tactile button
Jumper cables

Connections

• Door Sensor is connected to GPIO12 and GND. If you are using Wemos D1 mini,GPIO12 is D6! See schematic below!

• This sensor also has an option for resetting to factory default. Long pressing for 10 seconds a button connected to GPIO0 and GND will reset the sensor! If you are using Wemos D1 mini,GPIO0 is D3!

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