Interphone Upgrade
This instruction describe how to upgrade standard intercom, to allow you open the door by smartphone.
Components Needed
- ESP8266
- PCB Adapter for ESP8266
- Low-Dropout Linear Regulator LM1117 3.3V
- Capacitor 10uF
- Capacitor 100nF
- Capacitor 100uF
- Resistor 300R
- Resistor 1K
- 3x Resistor 10K (you can skip R2 and R3 resistors if you use PCB adapter)
- Transistor BC547
- Micro relay
- 5V power supply
- Universal PCB
- Gold pins
Schematic Diagram​
Connect all the components as per the schematic diagram
Downloads
Software
Flash ESP8266 using this firmware
https://github.com/SUPLA/ESP8266/tree/master/gate-module-firmware
Installation
Open interphone case and connect relay to the electric lock trigger.
Done.
More details at www.supla.org
Need help ? Go to forum.supla.org