Administrator Log Your Energy Data to an SD Card with Arduino — Timestamped CSV, No Cloud The monitors show it, the relay acts on it — this one keeps it . An rbAmp module, an Arduino, and a microSD card make a standalone data logger : timestamped voltage, current, power and kilowatt-hours ... Arduino csv data-logger energy monitor ESP32 I2C sd-card Jul 30, 2026 Projects and Tutorials
Administrator Which boards and frameworks can I use with rbAmp? Anything that speaks I²C: ESPHome / Home Assistant , Arduino / C++ (ESP32, Uno, Nano, STM32, RP2040…), Python on a Raspberry Pi or other Linux SBC, and ESP-IDF . All four client libraries are open and... Arduino esphome faq integration python Jul 30, 2026 FAQ
Administrator Local Current-Limit with Arduino — Trip a Relay Before the Breaker, No Cloud The monitors show you the current. This one acts on it : when a circuit stays over your limit, the Arduino trips a relay to shed the load (or sounds an alert) — and it does it in its own loop, no Home... Arduino current-monitoring ESP32 load-control load-shedding Jul 30, 2026 Projects and Tutorials
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 Jul 30, 2026 FAQ
Administrator Meter Several Circuits with One Arduino — a Multi-Module rbAmp Bus The standalone monitor put one module on a screen. Real installations have more than one circuit — mains plus a few branches, or three phases. The naive answer (one meter per circuit, each on its own ... Arduino energy monitor ESP32 I2C multi-channel Jul 30, 2026 Projects and Tutorials
Administrator Build a Standalone Arduino Energy Monitor with rbAmp — Watts on an OLED, No Network Not every energy project needs Home Assistant, a cloud, or even Wi-Fi. Sometimes you just want a little box on the bench that says 230 V · 0.21 A · 48 W · 0.97 PF on a screen, updating every second — ... Arduino energy monitor ESP32 I2C oled Jul 30, 2026 Projects and Tutorials
