==== Display / UI ====

  *     128x128 OLED Monochrome ?
  *     LCD RGB ?
  *     4 Buttons ?
  *     SMD Joystick ?
  *     Rotary Encoder ?

==== Inputs ====

  *     Thermistor (+ Reference Resistor)
  *     Resistorbridge with 16bit I2C-ADC ?
  *     Thermocouple (Typ K) (2 Inputs !)
  *     0-10V Analog Input
  *     Input Voltage / Output Current Measurement

==== Outputs ====

  *     220V Relay
  *     220V SSR (+ Mains Zero Crossing Detection)
  *     SSR Control (5V TTL)
  *     PWM (MOSFET)
  *     Isolated TTL with external Supply

==== Interfaces ====

  *     Serialport (over USB) on the Front
  *     Mass Storage (for Logging, Profile Upload) (µSD Card)
  *     CAN
  *     BT?
  *     WLAN?

==== Supply ====

  *     220V (https://www.buerklin.com/de/netzmodul/p/34c902?utm_medium=stocklist, https://www.buerklin.com/de//p/34c914)
  *     12V / 24V

==== Misc ====

  *     <del>RealTime Clock (DS1307 (Digikey DS1307Z+-ND) + Lithium Battery (Farnell 4199091), Holder (Digikey 952-1662-1-ND))</del> LPC1549 hat interne RTC

  * LPC1549
  * µSD Card
  * SN65HVD230 CAN Transceiver
  * ACPL-217 Optocouplers
  * BTS4142 ProFETs for Outputs
  * MAX31855 Thermocouple Interface
  * https://playground.arduino.cc/Main/ACPhaseControl 


==== Construction ====

Platinen:
  - Display/Buttons
  - Mikrocontroller (Hauptplatine, hinter Displayplatine)
  - Input (per CardEdge mit µC Platine verbunden)
  - Output (per CardEdge mit µC Platine verbunden)
  - Power 

Card Edge Connectors: Samtec MEC1-120-02-F-D (20polig) oder MEC1-110-02-F-D (10polig)

Signale zw. Platinen:

Display <-> µC : SPI für Display, I2C für Keyscan-IC oder GPIO für Buttons, GPIO für Rotary Encoder

Input <-> uC : i2c,SPI für Sensoren, Analog und GPIO, 5V/3.3V

Output <-> uC : GPIO/PWM für Outputs, CAN für Verbindung zu anderen Modulen

Power <-> Alle : 5V/3.3V