Smart home that actually works — day to day

I'm Mike. I build ESP32 firmware, sensor networks and Home Assistant integrations — this is what's running in my own home. If your project is stuck, or you want something like this built, I also do that on commission.

8 documented projectsCode on GitHubReply within 24–48 h
Frigate detects the cat in the sink at 81% confidence
The camera detects the cat (cat: 81%) — Home Assistant opens the faucet. Read the story →
Smart Cat Fountain
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Camera / AI / Home Assistant

Smart Cat Fountain

AI object detection opens the faucet for the cat

ESP32-S3 camera streams the sink to Frigate: when the Coral TPU detects a cat, Home Assistant opens the faucet valve — with run-on timer and safety cutoff.

ESP32-S3OV5640RTSPFrigate+4
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GaFuBi LoRa Mesh
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LoRa / Radio

GaFuBi LoRa Mesh

LoRa sensor network with AES encryption

Professional LoRa mesh network with gateway and multiple sensor nodes for garden, feed and bee monitoring.

ESP32-S3LoRa 868MHzAES-128MQTT+2
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GaFuBi Wood-Fired Oven
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Measurement / Home Assistant

GaFuBi Wood-Fired Oven

Measuring unit for wood-fired ovens with an LED matrix remote display, web UI and Home Assistant

Self-made electronics for directly heated wood-fired ovens, divided into two units since September 2026: a base unit in a closed case at the oven that measures dome and floor temperatures with two K-type thermocouples, performs the calculations, and logs the data. A LED matrix display within sight shows both temperatures in large digits and indicates the status with a colour. In addition, there is a web UI that displays a live chart, 10 baking programs with a learning timer, and integration with Home Assistant.

ESP32-S3ESP-IDFRP2350HUB75+9
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Energy Dashboard
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Web Dashboard

Energy Dashboard

Real-time solar & battery monitoring

Real-time energy flow dashboard for solar system, battery storage and household consumption with billing.

Node.jsMQTTMongoDBWebSocket+2
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BMS Web Dashboard
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Web Dashboard

BMS Web Dashboard

Multi-BMS battery monitoring

Web dashboard for monitoring multiple JK-BMS battery systems with Telegram alerts and long-term data logging.

Node.jsMQTTMongoDBTelegram Bot+2
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Tank Level System
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LoRa / Radio

Tank Level System

LoRa display gateway + pressure sensor

Wireless tank level system with round touch display and LoRa-connected sensor node.

ESP32-C3ESP32-S3LoRaGC9A01 Display+2
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BBQ Temp Monitor
📶
BLE / Gateway / App

BBQ Temp Monitor

BLE gateway + Android app for BBQ thermometer

ESP32 gateway with Flutter companion app: monitor Bluetooth BBQ thermometers, temperature alarm on your phone — even in the background.

ESP32BLENimBLEMQTT+4
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ESP32 Smoker Controller
🏠
ESPHome / Home Assistant

ESP32 Smoker Controller

ESP32-S3 with PID control, adaptive power limiting and damper control

ESP32-S3-based smoker controller with PID regulation, multiple DS18B20/PT1000 sensors, adaptive power limiting, servo damper control and energy monitoring via PZEM-004T.

ESP32-S3ESPHomeHome AssistantPID Controller+6
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