Testing both RS485 buses
JK-BMS Monitor demonstration from 14 October 2026: access and LCD control on RS485-1, with RS485-2 running in parallel.
Watch on YouTube ↗← SmartPhoton
The SmartPhoton media library
Videos & screenshots.
Find demonstrations and views of the SmartPhoton interfaces. This page will grow with new videos and module developments.
Videos
Watch SmartPhoton in action.
Demonstrations from @domosimple showing the project and its tests.
JK-BMS & Premium dashboards
Add-on improvements and an introduction to the Premium interfaces.
Watch on YouTube ↗SmartPhoton: 2025 introduction
An introduction to the project at that stage of its development.
Watch on YouTube ↗Videos retain their original language. The YouTube player loads only after you click.
All @domosimple videos ↗Screenshots
A visual look at the interfaces.
Premium, Multi-Pack, SCADA, KOSTAL, Finance and MQTT: click a screenshot to enlarge it.
Smart Energy Premium House
Solar, home, battery and grid together in an illustrated energy overview.
Click the image to enlargeMulti-Pack · fleet overview, alarms and trends by site
Fleet overview, site status, estimated runtime and access to diagnostics, followed by individual pack details.
Click the image to enlargeMulti-Pack · pack view, cell comparison and BMS details
The fleet view provides access to sites or packs and their diagnostics. Details go down to BMS units and cell voltages, with status indicators and trends.
Click the image to enlargeSmartPhoton SCADA · battery process view
Battery process view, communications, alarms, trends, logs and service views.
Click the image to enlargeSmartPhoton SCADA · diagnostics and profile of 16 cells
The cell view brings together minimum, average, maximum and delta. It helps identify differences between cells in the screenshot shown.
Click the image to enlargeSmartPhoton Remote Bridge · KOSTAL G3 / BYD HVS via ESP32 proxy
SmartPhoton Remote Bridge displays a KOSTAL G3 / BYD HVS installation through the ESP32 proxy. The view shown is read-only.
Click the image to enlargeSmart Energy Finance
The financial side of the SmartPhoton ecosystem complements the technical view of your installation.
Click the image to enlargeExample of MQTT device and entity discovery for JK-BMS in Home Assistant
Screenshot of one installation: device and entity counts vary with its configuration.
Click the image to enlargeLinked documents and articles retain their original language. Website text is available in French, English and German; screenshots are not translated.
MQTT Cloud Synchronizer · automatic entity creation
Public synchroniser example: MQTT configuration creates Home Assistant entities.
ESP32 4G and encrypted MQTT
A remote communication demonstration using encrypted MQTT, published on @domosimple on 10 September 2026.
Watch on YouTube ↗JK-BMS Standalone · V0.11.9
Three views of the prototype
A Windows launcher and local web interface for viewing JK-BMS devices, storing SQLite history and publishing measurements through MQTT.
Live · BMS devices and cells
Two BMS devices shown with communication state, SOC, voltage, current, power, temperatures, cycles and cell voltage/resistance tables.
Click to enlargeHistory · SQLite charts
Metric, period and BMS selection, with SOC, power and cell-delta charts. The screenshot shows a short measurement sample, not a twenty-four-hour endurance test.
Click to enlargeWindows launcher · configuration
TCP source or USB/COM port, connection settings, SQLite database path, measurement intervals and MQTT configuration. The launcher also offers Home Assistant discovery options, backend startup and CSV export.
Click to enlargeScreenshots supplied by Jean-Luc on 30 October 2026. They show the V0.11.9 prototype; displayed values come from a test and are not a live demonstration.
Explore JK-BMS Standalone →