Administrator Does rbAmp work with the Home Assistant Energy Dashboard? Yes — via ESPHome the module's energy sensor lands in the Energy Dashboard out of the box. See the 15-minute Home Assistant setup .... energy faq home-assistant 30.07.2026 FAQ
Administrator How does rbAmp handle energy (Wh), and does it survive a reboot? Energy is integrated over exact wall-clock intervals: the module latches a measurement window atomically and the host integrates true active power over the elapsed time, so there's no on-device counte... energy faq home-assistant 30.07.2026 FAQ
Administrator rbAmp — Frequently Asked Questions Quick answers to the most common rbAmp questions — power, accuracy, I²C, addressing, energy, and integration. Power hardware Why is rbAmp 5 V-powered but the I²C bus is 3.3 V? Do I need external I²C p... Arduino energy-monitoring ESP32 esphome home-assistant I2C 30.07.2026 FAQ
Administrator rbAmp vs PZEM-004T — Which AC Energy Monitor for ESP32 & Home Assistant? rbAmp vs PZEM-004T: which AC energy monitor should you build with? The PZEM-004T is the default first energy meter for a reason — it's a few dollars, it works, and half the tutorials on the internet u... comparison ESP32 esphome home-assistant pzem-004t 29.07.2026 Comparisons
Administrator Three-Phase Energy Monitoring in Home Assistant: 3× rbAmp UI on One ESP32 If you've read why three single-phase meters can't measure your 3-phase power , you know the trap: three independent meters sample at different instants, so their numbers don't add up. This is the bui... energy-monitoring ESP32 esphome home-assistant I2C three-phase 29.07.2026 Projects and Tutorials
Administrator Why Three Single-Phase Meters Can't Measure Your 3-Phase Power The setup everyone builds You have a three-phase supply and you want it in Home Assistant, so you do the obvious thing: three single-phase meters — a PZEM, a Shelly EM, an ATM90E32 board — one per pha... accuracy energy-monitoring home-assistant power-measurement sampling three-phase 29.07.2026 Tech Articles
Administrator Real-Time Load Control with rbAmp — Current Limits, Alerts & Load Shedding in Home Assistant The problem this solves The main breaker trips when the EV charger, the water heater and the workshop all pull at once. Or you want to cap a circuit — a rental outlet, a garage socket — so it can't ex... current-monitoring ESP32 esphome home-assistant load-control load-shedding peak-shaving 29.07.2026 Projects and Tutorials
Administrator Migrating from PZEM-004T to rbAmp — Keep All Your Home Assistant History Why leave a PZEM that works? A PZEM-004T is a fine little meter. It keeps its own kilowatt-hour total in EEPROM, so your energy survives a reboot, and for one circuit it does the job. You outgrow it f... energy-monitoring esphome home-assistant I2C migration pzem-004t 29.07.2026 Projects and Tutorials
Administrator The Whole Panel on One ESP32 — Real Per-Circuit Energy in Home Assistant The problem this solves Your utility meter says the house is pulling about 3.9 kW right now. It won't tell you that the water heater is ~2.2 kW of it, the AC compressor another ~1 kW , and the rest is... ct-clamp emporia-alternative ESP32 esphome home-assistant per-circuit whole-house-energy 29.07.2026 Projects and Tutorials
Administrator rbAmp in the Home Assistant Energy Dashboard in 15 Minutes The problem this solves You want one honest number in Home Assistant: how much power this appliance is actually pulling, right now, and how many kilowatt-hours it burns over a month. The usual DIY ans... ct-clamp energy-monitoring ESP32 esphome home-assistant 28.07.2026 Projects and Tutorials
Administrator How CT Energy Measurement Really Works — From Clamp to Kilowatt-Hours You clip a current transformer around a wire, wire it into an ESP32, and Home Assistant lights up with watts and kilowatt-hours. Then you check it against the meter on the wall — and the numbers don't... accuracy ct-clamp current-transformer energy-monitoring home-assistant power-factor 28.07.2026 Tech Articles
