RFID-Spool-Selector

This is work in progress !!!

Hi! Here is my first project on GitHub.
My 3D Printer stands in the garage and my Laptop is in the Diningroom inhouse. I use Octoprint on a RPi 4 1GB. To select the current filament in filamentmanager-plugin I must go inhouse, select the desired filament, go back and change filament. To optimize the worklow I bought a LCD/TFT-Display with touch from pollin.de and installed TouchUI. But this was to small and inperformant. So I planned a method/project to change the filament in filament-plugin directly.

How to

Hardware

• ESP32-Dev Board
• MFRC522 RFID Reader
• ST7735 SPI 1.8 TFT
• Rotary Encoder
• NTag-RFID Tags

Software:

• Octoprint
  • Filamentmanager-Plugin
• MQTT-Broker
• Node-Red
• VS-Code/Atom with Platformio or Arduino
  • TFT_eSPI library
  • MFRC522 library

Compile Sketch in Arduino or Platformio.

Pinout?

  -           MFRC522      ESP32         Display   Encoder
  -           Reader/PCD   
  Signal      Pin          Pin           Pin       Pin     
  ---------------------------------------------------------
  RST/Reset   RST          22
  RST                      14            RST
  SPI SS      SDA(SS)      21
  CS          -            17            CS
  SPI MOSI    MOSI         23            DIN
  SPI MISO    MISO         19            
  SPI SCK     SCK          18            SCLK
  DC          -            4             DC    
  VCC         VCC          3.3V          3.3V/BL   +
  GND         GND          GND           GND       GND
  5V          -            5V            VCC
  SW          -            16                      SW
  DT          -            13                      DT
  CLK         -            5                       CLK