Blog

Control Electronics for Wood-Fired Ovens: ESP32-S3, Touch Display and Clone MAX31855s I Had to Talk Into Working

How I developed a WiFi controller for direct-fired wood-fired ovens — ESP32-S3, two K-type thermocouples in dome and floor, 2.8" touch display and a web UI with live chart. Plus the story of why the cheap MAX31855 clones need a custom SPI routine before they produce usable readings.

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My Smoker Cabinet: ESPHome Control, Home Assistant, and Why I Didn't Want a Ready-Made One

Why I built my own smoker controller instead of buying a ready-made one — ESP32-S3 with ESPHome, PID control, adaptive max-power to prevent overshoot, servo damper, PT1000 on the smoke generator and Home Assistant integration.

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BMS-Web — My Multi-BMS Dashboard for JK-BMS with Telegram Alerts

Two JK-BMS connected to a single ESP32-S3 via Bluetooth, data published via MQTT to a Node.js dashboard with live view, history, energy counting and a Telegram bot for alerts and remote control. Overview of the setup, hardware and feature scope.

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My Energy Dashboard: Solar, Battery and Consumption at a Glance

How much power does my solar system generate? What does grid consumption cost me? My self-built energy dashboard shows energy flows in real time — with Victron, Shelly and JK-BMS.

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Bringing a BBQ Thermometer to WiFi via BLE Gateway — with ESP32, MQTT & Home Assistant

My BBQ thermometer only has Bluetooth — limited range, app needs constant connection. My solution: An ESP32 as BLE gateway that pushes temperatures via MQTT into the network.

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GaFuBi — My LoRa Sensor Network for the Garden

How do I measure fill levels, soil moisture and temperature in the garden without WiFi? With GaFuBi — a LoRa sensor network of ESP32 nodes with Home Assistant integration.

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