A cost-effective, accessible knob interface to wirelessly control non-smart home appliances using ESP-NOW protocol, designed especially for the elderly and mobility-impaired users.
- Uses rotary encoder for intuitive control
- ESP32 modules for wireless communication
- Relay-based control of lights/fans
- Feedback via buzzer for interaction confirmation
- Low-cost build under ₹2000
code/– Arduino.inofiles for transmitter and receiverdiagrams/– Flow diagrams and chartshardware/– Overview photos of the built prototype
- ESP32 × 2
- Rotary Encoder
- Relays, Buzzer, Switches
- Breadboard, jumper wires
- @aadhur - Aadhurshini
- @lolakshay - Akshay Srinivas N
- Adhithyan Jayaraman