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Program code & instructions for the WLAN control module for MCZ pellet stoves MCZ remote control 41451106000 / Program code and instructions / DIY
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What to know
About this item
This digital download will make your MCZ pellet stove smarter – without having to buy any hardware.
You will receive only the program code, the circuit board layout, and detailed assembly and setup instructions to manufacture and build the WLAN control module yourself.
✅ Ideal for makers, electronics hobbyists and smart home enthusiasts
❌ No shipping of components or enclosures – download only.
📥 Contents of the digital download
💾 Program code (ESP32)
Ready-made firmware for ESP32
Integrated web server (browser operation)
MQTT support (e.g. Home Assistant, ioBroker, Node-RED)
Auto-Off Timer (0.5–10 h)
Status LED logic
OTA updates (firmware update via WLAN)
🧩 PCB layout n
PCB layout (for in-house printed circuit board manufacturing)
Information on conductor track widths, power supply & radio module
📘 Assembly & Setup Instructions (PDF)
Step-by-step assembly
Assembly plan
Setup & WLAN configuration
MQTT topic examples
✅ Software features
🌐 Web interface (mobile phone, tablet, PC – no app)
📱 Remote control: On/Off, heating levels, fan
🏠 MQTT integration for smart home systems
⏱ Auto-off function
📊 Status indicator:
Oven status
Heating level & fan
Wi-Fi signal strength & IP
Last command
💡 LED status
2 flashes: 433/434.5 MHz command
1x blink: MQTT communication
🔨 Required parts (not included in the download)
You will need to procure these components yourself.
ESP32 Dev board (e.g. ESP32-WROOM)
433 / 434.5 MHz radio module (TX)
Printed circuit board (according to the provided PCB layout)
Resistors & capacitors as per parts list
Status LED + series resistor
USB-C or Micro-USB power supply (5V)
Cables, pin headers, solder
Optional: Housing (3D printed or purchased)
🔨 Required tool
Soldering iron & solder
Side cutters
screwdriver
PC/Mac for flashing the ESP32
Basic knowledge of electronics is an advantage.
⏱ Time required: approx. 2–3 hours (depending on experience)
⚙️ Technical specifications
Compatibility: MCZ pellet stoves with 434.5 MHz remote control
Voltage: 5 V DC
Controller: ESP32
Radio frequency: 434.5 MHz
Network: WLAN 2.4 GHz
Operation: local, no cloud
⚠️ Legal Notice
This is a digital DIY project.
Not an original MCZ product, no official connection to MCZ.
Use at your own risk
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Program code & instructions for the WLAN control module for MCZ pellet stoves MCZ remote control 41451106000 / Program code and instructions / DIY
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