CADUS incinerator

Furnace for the incineration of medical waste.

Project scope

This project contains the firmware & schematic for the control module of the CADUS incinerator.

Hardware

The control module is based on this ESP32 board: DEBO JT ESP32 NodeMCU similar to DOIT ESP32 DEVKIT V1.
KiCad project covering the schematic of the motherboard carrying the ESP32 is included in the pcb folder.

Build Prerequisites

Install PlatformIO IDE or PlatformIO Core (CLI)
PlatformIO will take care of the Arduino framework and third-party libraries.

Build

PlatformIO IDE: Click "Build"
PlatformIO CLI:

pio run

Install

Connect ESP32 board via USB. Check the serial port assigned to the board, adapt upload_port in platformio.ini, if necessary.

PlatformIO IDE: Click "Upload"
PlatformIO CLI:

pio run --target upload

Update via esptool

Install esptool with pip3 install --user esptool.

Connect the processor module via USB and determine the USB serial port. (/dev/ttyUSB0 in this example)

Update the firmware:

python3 -m esptool --port /dev/ttyUSB0 --baud 921600 write_flash 0x10000 firmware.bin

Update via flasher

The flasher (distributed with releases) is a small wrapper around esptool and can be used for the update instead of calling esptool directly.

Using the flasher tool on windows:

• Install CP210x_VCP_Windows driver from https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers
• Install Python3 https://www.python.org/downloads/windows/ (Select "add python to PATH")
• Open terminal in flasher directory
• Enter "pip install esptool pyserial" (only necessary when doing this for the first time)
• Enter "flasher.py"
• Choose serial port (use the one called "Silicon Labs CP210x")
• Hold down the BOOT button on the processor board (right from the USB socket)
• Wait until flasher is finished