Roadmap for DoorGate
Setup hardware for 16 residents.
BLOHMCOM PRINCIPLES
The pin connections for Doorgate are shown here.
Relays and electric strike lock
5V 2-channel relay module(with optocoupler).
Go Randomnerd Tutorials
4x4 Keypad
4x4 keypad has been added to easily test locally without having to go up to each door press.
Keypad Interfacing with ESP32
Amplifier module
Speaker: 4Ω or 8Ω, 3W recommended for best results.
DIY Bluetooth Speaker Using Esp32 With Controls
