Overview
ESPHome configuration and steps used to enable auatomation of Garage Door Motor, Garage Door Open/Close Status, and temperature readings in detached garage. Integration with Home Assistant via ESPHome integration.
The ESPHome device was built using a custom board with screw down terminals that has 4 relays built in. ESPHome Docker was utlizied to compile the initial configuration and that was uploaded onto the ESP32 board. The ESP32 board is enclosed in an ABS plastic junction box and is powered via a micro USB cable. The door sensor from honeywell are made for Garage Doors.
Parts Used
| Device | Quantity | Connection | Home Assistant | Notes |
|---|---|---|---|---|
| 4 Relay ESP32 | 1 | Wi-Fi | ESPHome | Automated to open / close garage door on location and auto close after specific time intervals |
| Honeywell Ademco 958 Overhead Door Contacts | 1 | 4 Relay ESP32 | ESPHome | Door Sensor used with ESPHome Relay |
| Temp Sensor Probe DS18b20 | 1 | 4 Relay ESP32 | ESPHome | Waterproof Temperature sensor, connected directly to ESPHome module |
| 4.7K Ohm Metal Film Resistor | 1 | 4 Relay ESP32 | ESPHome | external pullup resistor |
| ABS Plastic IP65 Junction Box | 1 | NA | NA | Junction Box for ESP32 Board and wires |
GPIO Mapping
| Relay / Input | GPIO Pin | Purpose | Terminals | Terminals Used |
|---|---|---|---|---|
| Relay1 | GPIO21 | Garage Door Switch | NO, C, NC | NO, C |
| Relay2 | GPIO22 | Unused | NO, C, NC | Unused |
| Relay3 | GPIO18 | Unused | NO, C, NC | Unused |
| Relay4 | GPIO19 | Unused | NO, C, NC | Unused |
| AN1 | GPIO36 | Unused | AN1+, AN1- | Unused |
| IN1 | GPIO05 | Unused | IN1+, IN1- | Unused |
| IN2 | GPIO12 | Garage Door Sensor | IN2+, IN2- | IN2+, IN2- |
| IN3 | GPIO13 | Unused | IN3+, IN3- | Unused |
| IN4 | GPIO14 | Dallas Temp Sensor (Yellow) | IN4+, IN4- | IN4+, 4.7K Ohm Resistor |
| 3.3V | NA | Dallas Temp Sensor (Red) | 3.3v+ | 3.3v+ |
| 5v | NA | Dallas Temp Sensor (Black) | 5v+, 5v- | 5v-, 4.7K Ohm Resistor |
Images
Home Assistant UI Example
