GREENHESS BLOG
News, guides and development stories for more transparent energy use.
In the post-net metering era, the goal is no longer to feed back as much electricity as possible to the grid, but rather to use as much as possible on-site when the solar panels generate. In gross accounting, imported and exported energy are calculated separa…
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The ADA485 is an easy-to-install RS485→IP (Wi-Fi/LAN) bridge and edge gateway. It reads and writes Modbus RTU, publishes to MQTT/HTTP/REST, logs to CSV/JSON, and integrates immediately with Home Assistant/smartmeter.hu/hmke.app systems. Ideal for inverters (D…
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The ADA-PN100 is an ESP32-based device that generates S0 (countable) pulses from OBIS data read from the P1 port of smart meters. Its purpose is to provide compatible pulse signals from modern smart meter energy values to PLCs, measurement systems, data colle…
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Want the good old S0/pulse output back from your smart meter? The ADA PN100 does exactly that: it reads energy data from the meter’s P1 (DSMR) port and generates programmable pulses to feed your PLC/SCADA counter input – just like connecting a classic kWh met…
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In October, a new feature will appear in HMKE.APP! The ADA P1 Meter not only reads now but also controls. You configure the rules on the hmke.app interface, and the device executes them locally from its own memory – even if there's no internet at home. In thi…
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The community of GreenHESS devices is continuously growing, and more of our users want to see their data within the Home Assistant smart home system. The renewed GreenHESS integration offers a solution, which now can handle not just a single device but multip…
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The ADA485 has so far been primarily designed for processing data from inverters, power meters, and network devices. However, since the latest firmware update, it is also compatible with battery BMS systems, allowing cell-level voltages, temperatures, cycle c…
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For owners of household-scale small power plants (HMKE), it is natural to monitor the feedback to the grid. This value shows how much of the produced energy the house does not use immediately, but sends into the public utility grid. But is measuring only the…
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hmke.app is our latest development, specifically tailored to the needs of HMKE users. Built on the experience of hmke.app, we created this modern, mobile-friendly HMKE application that offers a more playful and streamlined user experience. It does not replace…
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