Keypad Printer Controller

Octoprint Keypad Controller

**Components:**
· *Raspberry Pi + Octoprint OS*
· *Arduino Nano*
· *Keychains x8 + Keycaps x8*
· *Leds x2*

**Octoprint Actions:**
Row 1
· *Connect/disconnect*
· *Home*
· *Pause/Resume*
· *Cancel*
Row 2
· *Level Bed*
· *Tool: 200°*
· *Bed: 60°*
· *Cold*

**Leds:**
· *Green - Connected*
· *Red - Disconnected*

**Possible buttons connection schemes:**
· Analog pin: https://www.tinkercad.com/things/0Ch88tQTGJb-analog-switch-board
· Digital pins:https://www.tinkercad.com/things/1Oo4QpYvtjO-digital-switch-board

** Software **
Arduino
· https://gitlab.com/belittlemaker/ino_keypad_printer_controller
Raspberry
· https://gitlab.com/belittlemaker/py-keypad-printer-controller
· https://gitlab.com/belittlemaker/py-octoprint-api-facade