ScrollBack

Scroll wheel attachment for iPhone and other usb-c smartphones.

Arduino

Code used for ESP32 connected to rotary encoder.

ESP-WROOM-32

ESP32

Rotary encoder Adafruit

Rotary Encoder Clickwheel

Clickwheel PCB

Rotary Encoder -> ESP32 Wiring

• COMB -> GND
• SW5 -> D12
• SW4 -> D14
• SW3 -> D27
• SW2 -> D26
• SW1 -> D25
• COMA -> GND
• ENCB -> 33
• ENCA -> 32

CAD Model

3D Print Files

iPhone Settings

• Accessibility -> Keyboards & Typing
  • Full Keyboard Access -> On
  • Go into commands
    • Activate click center button
    • Home click up button