NetGuard Network Watchdog – Automatic Router & AP Recovery
MarkLabs · NetGuard · Part 1 of 5 NetGuard: Building a Wired Network Watchdog for Routers, Access Points and Home Servers A network watchdog can…
Xiaomi Cameras in Home Assistant 2026: C200, C300, C400 & go2rtc 2026
MarkLabs · Home Assistant · Cameras · Xiaomi · go2rtc Xiaomi Cameras in Home Assistant in 2026: C200, C300, C400, C500 Pro, Mi 360, go2rtc…
Rainwater Tank Level Sensor with TL-136, ESPHome and Home Assistant
MarkLabs · Rainwater & Irrigation · Practical Build How I Built a Reliable Rainwater Tank Level Sensor for Home Assistant: TL-136, 4–20 mA, ADS1115…
Energy Automations vs. Optimizer in Home Assistant: Step-by-Step Guide
Your Own Automations Versus a Ready-Made Energy Optimiser in Home Assistant You already have trustworthy historical data and a verified production forecast. Now comes the…
PV Production Forecasting in Home Assistant: Solcast, Forecast.Solar & Open-Meteo
PV Production Forecasting in Home Assistant: Solcast, Forecast.Solar and Open-Meteo Step by Step In part one of the series we set up the Energy dashboard…
Home Assistant Energy Dashboard & Solar Power — Setup From Scratch
The Home Assistant Energy Dashboard and Solar Power: a Complete Guide from Scratch The Energy dashboard is one of the most useful places in Home…
Deye Modbus — Complete Register List SG01LP1 to SG01HP3
Deye · Modbus RTU · ESPHome · Home Assistant Deye Modbus — Complete Register List by Model, ESPHome and Home Assistant For configuration and diagnosis,…
Deye Time of Use Explained: SOC, Grid Charge & 6 Time Slots
Deye Time of Use step by step: SOC, Grid Charge, six time slots and ready-made settings Recommended Deye Time of Use settings – example This…
Deye Inverter Troubleshooting: Modbus, Battery & Data Problems Fixed
Deye Inverter and Home Assistant: Complete Troubleshooting for Data, Modbus, Battery and Control Problems Quick symptom checks Symptom Likely cause First thing to check Wrong…
Deye + Home Assistant 2026: Solarman vs RS485 vs MQTT vs SolarAssistant
Deye and Home Assistant 2026: Solarman, Modbus RS485, MQTT, ESPHome or SolarAssistant? The Complete Integration Guide For the next steps, use the Deye Modbus register…
Deye + Home Assistant Automations: Battery, TOU, Tariffs & PV Forecast
Automating Deye in Home Assistant: battery, Time of Use, tariffs, PV forecast and surplus power, step by step Just displaying production, home consumption and battery…
Sonoff 4CH Pro on ESPHome — Complete Flashing Guide (R2 & R3)
The Sonoff 4CH Pro has been a fixture on smart home forums for years, and for good reason: four relays in one DIN-rail enclosure, two…
FoxESS ESPHome Modbus — Direct Register Reading for H1, H3, KH
Polish version: FoxESS ESPHome Modbus — konfiguracja dla H1, H3, KH (PL) The previous article in this series covered the Modbus TCP bridge approach —…
ESP-01 Won’t Flash? Fix It + Free ESPHome Configs
Why Your ESP-01 Keeps Failing to Flash (And How to Fix It for Good) You wire up a plain UART programmer, hit upload, and the…
30 SMS Automations for Home Assistant GMS Gateway (Ready YAML)
We’ve reached the final part of the series. An emergency SMS modem gateway, optionally tested on Proxmox, the integration set up in Home Assistant, SMS…
Controlling Home Assistant Over SMS Without Internet
You’re away from home. Internet at home is down. The Home Assistant app won’t connect, the VPN is silent, Nabu Casa is throwing an error.…
GSM Modem Integration for Home Assistant: Install & Setup
If you tested the modem on Proxmox in the previous part of this series, you already know the hardware works. If you skipped that article…
etting Up a GSM USB Modem on Proxmox, Step by Step
In part one of this series we covered why you’d even want to connect an old USB modem to Home Assistant. Today we’re getting our…
Old USB Modem as an Emergency SMS Gateway for Home Assistant
Picture this: you’re away from home. You open the Home Assistant app and nothing happens. The spinner just spins. Or the dashboard loads, but every…
FoxESS H3 Smart, H1 G2 WL & P3: Connect to Home Assistant With No RS485 Adapter
This guide covers Direct LAN / Modbus TCP without an external RS485 adapter on compatible FoxESS models. Check the exact model, firmware and built-in server…
ESP8266 doorbell notification in Home Assistant with camera snapshot and Telegram – Part 2
In part 1 we wired an ESP8266 to an analog intercom — the optocoupler detects the doorbell signal, the relay waits to open the gate.…
How to make an analog intercom smart with ESP8266 and Home Assistant – Part 1: hardware
Most homes still run on analog 4-wire video intercoms. They work fine: you see who’s at the gate, you talk, you press a button to…
EMS-ESP and Buderus GB122i — Home Assistant Integration via MQTT Part 2
In Part 1 we built the EMS-UART interface board and connected it to the Buderus Logamax Plus GB122i boiler. Now it’s time for the software…
![Sensus iPerl ESPHome Setup — Meter ID, AES Key & Full YAML Config [Part 2]](https://marklabs.pl/wp-content/uploads/2026/05/Sensus-iPerl-ESPHome-Setup-—-Meter-ID-AES-Key-Full-YAML-Config-Part-2-624x416.png "Sensus iPerl ESPHome Setup — Meter ID, AES Key & Full YAML Config [Part 2] 48")
Sensus iPerl ESPHome Setup — Meter ID, AES Key & Full YAML Config [Part 2]
In Part 1 you wired the hardware. Now we configure the software. This part covers the two things most guides skip: where to find your…
Sensus iPerl Water Meter in Home Assistant — wMBus without SDR (CC1101 + ESPHome)
Your Sensus iPerl water meter is already transmitting your consumption data over radio encrypted, on 868 MHz. All you need is something to listen. This…
EMS-ESP Buderus GB122i — DIY EMS Interface Build for Home Assistant
Bosch, Buderus, Junkers, Nefit, Worcester — all these brands share a common internal communication protocol called EMS (Energy Management System). It’s the bus that connects…
ESP32 TFT Dashboard — How to Configure Panels and Tiles
ESP32 TFT Dashboard — How to Configure Panels and Tiles via the Web Panel Weather, Power flow, Energy price, Universal, Doors & gates — all…
ESP32 TFT Dashboard for Home Assistant — Flash From Browser, No VS Code Needed
ESP32 TFT Dashboard — First Boot Without VS Code or Any Build Tools Web flasher, WiFi captive portal, MQTT config in the web panel and…
MQTT in Home Assistant — Do This Before Flashing the ESP32 Dashboard
MQTT in Home Assistant — What to Set Up Before Connecting Your ESP32 Dashboard Mosquitto broker, MQTT user, HA integration and TFT Dashboard via HACS…
ESP32 TFT Dashboard for Home Assistant — Build Your Own HA Display for $10
ESP32 TFT Dashboard — I Built My Own Home Assistant Display From Spare Parts Temperature, solar power, weather, gates — always on screen. No coding,…