# Integrations **URL:** https://community.openenergymonitor.org/c/integrations/30.md [Latest](https://community.openenergymonitor.org/latest.md) · [Categories](https://community.openenergymonitor.org/categories.md) · [Tags](https://community.openenergymonitor.org/tags.md) --- ## [About the Integrations category](https://community.openenergymonitor.org/t/about-the-integrations-category/75)
**Author:** [@glyn.hudson](https://community.openenergymonitor.org/u/glyn.hudson)\ **Replies:** 0\ **Last updated:** [21 April 2016 11:58 UTC](https://community.openenergymonitor.org/t/about-the-integrations-category/75 "2016-04-21T11:58:53Z")
Integrating OpenEnergyMonitor and Emoncms with other services e.g. node-RED, openHAB, Home Assistant etc. --- ## [Grant Aerona R290 Short Cycling](https://community.openenergymonitor.org/t/grant-aerona-r290-short-cycling/30462)
**Author:** [@germarsh](https://community.openenergymonitor.org/u/germarsh)\ **Replies:** 8\ **Last updated:** [14 October 2026 16:14 UTC](https://community.openenergymonitor.org/t/grant-aerona-r290-short-cycling/30462 "2026-10-14T16:14:09Z")
Sorry I haven’t been on this forum for a while. It has been a learning curve compared with an older IVT GSHP. Many more sensors and not helped by three “circuits”. Firstly, a general description of the hydraulic and ele… --- ## [OpenEVSE out of balance with solar](https://community.openenergymonitor.org/t/openevse-out-of-balance-with-solar/30384)
**Author:** [@BrianD](https://community.openenergymonitor.org/u/BrianD)\ **Replies:** 36\ **Last updated:** [8 October 2026 16:32 UTC](https://community.openenergymonitor.org/t/openevse-out-of-balance-with-solar/30384 "2026-10-08T16:32:45Z")
After changing my OpenEVSE setup to use the feed ‘emon/emonpi/power2’ plus changing the Mode to Production my solar generation is now very accurately tracked by the car and no energy is wasted. However, when other house … --- ## [Kinetos professional openEVSE Wallbox issues](https://community.openenergymonitor.org/t/kinetos-professional-openevse-wallbox-issues/28762)
**Author:** [@Shockwave](https://community.openenergymonitor.org/u/Shockwave)\ **Replies:** 50\ **Last updated:** [5 October 2026 21:55 UTC](https://community.openenergymonitor.org/t/kinetos-professional-openevse-wallbox-issues/28762 "2026-10-05T21:55:41Z")
Hello, there was a german Company (Kinetos), which took the 3 Boards (Mainboard , WIFI WT32, Power) on one circuitboard and produced it in China. The company is insolvent and nobody can help with it. Now i have Proble… --- ## [Newbie, just about to setup next few weeks](https://community.openenergymonitor.org/t/newbie-just-about-to-setup-next-few-weeks/30392)
**Author:** [@Lebullet](https://community.openenergymonitor.org/u/Lebullet)\ **Replies:** 2\ **Last updated:** [2 October 2026 19:51 UTC](https://community.openenergymonitor.org/t/newbie-just-about-to-setup-next-few-weeks/30392 "2026-10-02T19:51:56Z")
Hi All, Thanks for reading my post, I’m just about to have our heatpump installed in about 3 weeks time, and I’ve bought the level 3 heatpump monitoring kit, which the installers will install for me. I suspect their abi… --- ## [Issue with OpenEVSE WiFi V9.0.0 and side HW button](https://community.openenergymonitor.org/t/issue-with-openevse-wifi-v9-0-0-and-side-hw-button/30333)
**Author:** [@doppiaemme](https://community.openenergymonitor.org/u/doppiaemme)\ **Replies:** 2\ **Last updated:** [1 October 2026 18:05 UTC](https://community.openenergymonitor.org/t/issue-with-openevse-wifi-v9-0-0-and-side-hw-button/30333 "2026-10-01T18:05:25Z")
Hello, I am running OpenEVSE with the latest release 5.1.5 and 9.0.0 The manual button on the side of the EVSE doesn’t do anything anymore while before it was forcing a manual charge override. Now the only way to star… --- ## [Openevse Self Production feed selection](https://community.openenergymonitor.org/t/openevse-self-production-feed-selection/30341)
**Author:** [@BrianD](https://community.openenergymonitor.org/u/BrianD)\ **Replies:** 24\ **Last updated:** [28 September 2026 09:45 UTC](https://community.openenergymonitor.org/t/openevse-self-production-feed-selection/30341 "2026-09-28T09:45:39Z")
I have an openevse charge controller and a Martin Roberts based energy diverter. The system has worked brilliantly for the last 9 years or so but recently the energy diverter had a problem which required switching it of… --- ## [REST API Communication for a Project Involving Excess PV Generation](https://community.openenergymonitor.org/t/rest-api-communication-for-a-project-involving-excess-pv-generation/30353)
**Author:** [@arnaud.flatres](https://community.openenergymonitor.org/u/arnaud.flatres)\ **Replies:** 1\ **Last updated:** [28 September 2026 14:30 UTC](https://community.openenergymonitor.org/t/rest-api-communication-for-a-project-involving-excess-pv-generation/30353 "2026-09-28T14:30:10Z")
Hello, I’m starting to take an interest in this topic as I’m planning to switch to an electric car, and I have solar panels (2.9 kW max) that generate between 10 and 13 kWh per day, and I use an average of only 5 kWh, de… --- ## [Needing help with emonhub configuration for a modbus RS485 RTU connection to Solax X1 Gen.4 hybrid inverter](https://community.openenergymonitor.org/t/needing-help-with-emonhub-configuration-for-a-modbus-rs485-rtu-connection-to-solax-x1-gen-4-hybrid-inverter/28666)
**Author:** [@leiv](https://community.openenergymonitor.org/u/leiv)\ **Replies:** 12\ **Last updated:** [22 September 2026 14:14 UTC](https://community.openenergymonitor.org/t/needing-help-with-emonhub-configuration-for-a-modbus-rs485-rtu-connection-to-solax-x1-gen-4-hybrid-inverter/28666 "2026-09-22T14:14:28Z")
Hello everyone, Although I signed up to the openenergymonitor forum in September 2023, and with much interest and great benefit have followed the various discussions both before and after that time, this is my first con… --- ## [How much "Useable" hot water do I have and how best to represent it?](https://community.openenergymonitor.org/t/how-much-useable-hot-water-do-i-have-and-how-best-to-represent-it/28671)
**Author:** [@samirrpatel](https://community.openenergymonitor.org/u/samirrpatel)\ **Replies:** 20\ **Last updated:** [13 September 2026 14:06 UTC](https://community.openenergymonitor.org/t/how-much-useable-hot-water-do-i-have-and-how-best-to-represent-it/28671 "2026-09-13T14:06:06Z")
Hi All, I’m trying to think about how best to represent the amount of hot water I have in my tank and over time use that information to decide if I should adapt the settings I use for DHW. I’m using Home Assistant to co… --- ## [OpenEVSE charge rate problem on solar divert](https://community.openenergymonitor.org/t/openevse-charge-rate-problem-on-solar-divert/30158)
**Author:** [@PeteBee](https://community.openenergymonitor.org/u/PeteBee)\ **Replies:** 8\ **Last updated:** [16 August 2026 05:59 UTC](https://community.openenergymonitor.org/t/openevse-charge-rate-problem-on-solar-divert/30158 "2026-08-16T05:59:04Z")
I have a problem, which is almost certainly of my own making, but I’m hoping that somebody more familiar with the inner workings of OpenEVSE might be able to put their finger on it. I’m running quite old firmware which … --- ## [Vaillant eBUS hardware adapter (ebusd software) Thread](https://community.openenergymonitor.org/t/vaillant-ebus-hardware-adapter-ebusd-software-thread/24176)
**Author:** [@Zarch](https://community.openenergymonitor.org/u/Zarch)\ **Replies:** 540\ **Last updated:** [29 July 2026 08:52 UTC](https://community.openenergymonitor.org/t/vaillant-ebus-hardware-adapter-ebusd-software-thread/24176 "2026-07-29T08:52:44Z")
This thread is talk about the eBUS adapter and ebusd software used to talk to eBUS enabled heating systems. This is primarily Vaillant heat pumps and combi boilers. But Atag boilers also allow connectivity. You can pu… --- ## [OpenEVSE Correct power calculation for both single and 3-phase](https://community.openenergymonitor.org/t/openevse-correct-power-calculation-for-both-single-and-3-phase/22587)
**Author:** [@Guillaume\_S](https://community.openenergymonitor.org/u/Guillaume_S)\ **Replies:** 47\ **Last updated:** [22 July 2026 13:16 UTC](https://community.openenergymonitor.org/t/openevse-correct-power-calculation-for-both-single-and-3-phase/22587 "2026-07-22T13:16:06Z")
I saw the tricks of multiplying by 3 the L1 power phasis, but when you have then a charge in mono calculation is wrong. There is this guy that posted a really interesting solution involving wiring differently the L1 L2 … --- ## [Home Assistant and MHI RC-HY20 myuplink](https://community.openenergymonitor.org/t/home-assistant-and-mhi-rc-hy20-myuplink/27590)
**Author:** [@Nick\_van\_der\_Burgt](https://community.openenergymonitor.org/u/Nick_van_der_Burgt)\ **Replies:** 9\ **Last updated:** [5 July 2026 10:40 UTC](https://community.openenergymonitor.org/t/home-assistant-and-mhi-rc-hy20-myuplink/27590 "2026-07-05T10:40:23Z")
Hi, Has anybody succeeded in having in home assistant with the MyUplink integration to connect with the MHI RC-HY20? Technically it is the same as the SMO20 but in the api it is handled differently and thus can connect … --- ## [OpenEVSE schematic](https://community.openenergymonitor.org/t/openevse-schematic/29853)
**Author:** [@Rachit](https://community.openenergymonitor.org/u/Rachit)\ **Replies:** 6\ **Last updated:** [15 June 2026 14:51 UTC](https://community.openenergymonitor.org/t/openevse-schematic/29853 "2026-06-15T14:51:29Z")
Hi, Can someone share OpenEVSE schematic. I can not open the schematic in Kicad. The pcb board is loading but the schematic sheet is empty. If someone could share a pdf version it would be helpful. What I am doing : Do… --- ## [Charger stopped charging (relay goes off after 4 secs)](https://community.openenergymonitor.org/t/charger-stopped-charging-relay-goes-off-after-4-secs/30031)
**Author:** [@Xmartin](https://community.openenergymonitor.org/u/Xmartin)\ **Replies:** 11\ **Last updated:** [10 June 2026 16:53 UTC](https://community.openenergymonitor.org/t/charger-stopped-charging-relay-goes-off-after-4-secs/30031 "2026-06-10T16:53:58Z")
Hi, my openEVSE wallbox worked fine for over 2 years, but suddenly stopped charging. My Renault Zoé says “check wall box” endlessly. When connecting, I hear the relay go on and after 4 s off again, no electricity delive… --- ## [OpenEVSE Glitches](https://community.openenergymonitor.org/t/openevse-glitches/30042)
**Author:** [@planetmarshall](https://community.openenergymonitor.org/u/planetmarshall)\ **Replies:** 2\ **Last updated:** [1 June 2026 22:34 UTC](https://community.openenergymonitor.org/t/openevse-glitches/30042 "2026-06-01T22:34:05Z")
I’ve recently been having an increasing number of problems with my OpenEVSE unit. I’m not seeing much activity on Github so I thought I’d post here. Issues linked below for reference but in summary - Schedule resets it… --- ## [Detecting which EV is connected to OpenEVSE — anyone solved this?](https://community.openenergymonitor.org/t/detecting-which-ev-is-connected-to-openevse-anyone-solved-this/29864)
**Author:** [@kilowatts.io](https://community.openenergymonitor.org/u/kilowatts.io)\ **Replies:** 9\ **Last updated:** [30 May 2026 15:08 UTC](https://community.openenergymonitor.org/t/detecting-which-ev-is-connected-to-openevse-anyone-solved-this/29864 "2026-05-30T15:08:17Z")
We have two EVs sharing a single OpenEVSE charger — a VW ID Buzz and a 2019 VW eGolf. I’d like my home energy management system to know which car is currently plugged in, since they have very different battery sizes and… --- ## [Difficulty installing Node Red to emonSD21Jul21](https://community.openenergymonitor.org/t/difficulty-installing-node-red-to-emonsd21jul21/29954)
**Author:** [@keithfromoz](https://community.openenergymonitor.org/u/keithfromoz)\ **Replies:** 20\ **Last updated:** [29 May 2026 08:49 UTC](https://community.openenergymonitor.org/t/difficulty-installing-node-red-to-emonsd21jul21/29954 "2026-05-29T08:49:54Z")
I have not been successful in attempting the installation of NodeRed into emonSD21Jul21. The best try was using bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-n… --- ## [OpenEVSE charging rate shows wrong](https://community.openenergymonitor.org/t/openevse-charging-rate-shows-wrong/23375)
**Author:** [@Tonza](https://community.openenergymonitor.org/u/Tonza)\ **Replies:** 10\ **Last updated:** [20 May 2026 10:38 UTC](https://community.openenergymonitor.org/t/openevse-charging-rate-shows-wrong/23375 "2026-05-20T10:38:40Z")
OpenEVSE charging rate is always 3A more than what the car actually charges. I can tweak this via RAPI but the charging starts only when the 3A lead distance has been reached and the kWh calculation also gives too large … --- ## [MQTT read from Node-Red on third party Pi - assistance required please](https://community.openenergymonitor.org/t/mqtt-read-from-node-red-on-third-party-pi-assistance-required-please/29960)
**Author:** [@LeeOutram](https://community.openenergymonitor.org/u/LeeOutram)\ **Replies:** 6\ **Last updated:** [9 May 2026 12:23 UTC](https://community.openenergymonitor.org/t/mqtt-read-from-node-red-on-third-party-pi-assistance-required-please/29960 "2026-05-09T12:23:37Z")
Hey all, I’ve just received my EmonPi3 and got it hooked up with no problems monitoring my electrical energy feeds. Given that the logging and user interface in Emoncms (Local) is so good I’d like to import data using M… --- ## [No data or graphs on heatpumpmonitor.org after alterations](https://community.openenergymonitor.org/t/no-data-or-graphs-on-heatpumpmonitor-org-after-alterations/29797)
**Author:** [@Grey-Sheep](https://community.openenergymonitor.org/u/Grey-Sheep)\ **Replies:** 5\ **Last updated:** [28 March 2026 17:00 UTC](https://community.openenergymonitor.org/t/no-data-or-graphs-on-heatpumpmonitor-org-after-alterations/29797 "2026-03-28T17:00:02Z")
Hi newbie here…. I have a Vaillant Arotherm+ 12kW and the eBUS Adapter Shield C6 on the ebus reporting through MQTT to an emoncms setup on Home Assistant. I have learnt SO MUCH about the ebus in the last few weeks … --- ## [OpenEVSE and wiring regs changes (722.531.2.101)](https://community.openenergymonitor.org/t/openevse-and-wiring-regs-changes-722-531-2-101/10959)
**Author:** [@EskEnergy](https://community.openenergymonitor.org/u/EskEnergy)\ **Replies:** 47\ **Last updated:** [17 March 2026 18:44 UTC](https://community.openenergymonitor.org/t/openevse-and-wiring-regs-changes-722-531-2-101/10959 "2026-03-17T18:44:00Z")
Hi Does the OpenEVSE unit have any residual DC (fault) checks? The latest regs 722.531.2.101 (Jan 2019) requires the use of either a Type B RCD (with built in dc capability/detection) or “RCD Type A and appropriate eq… --- ## [Daikin Altherma Heating Controls via Home Assistant and Onecta Integration](https://community.openenergymonitor.org/t/daikin-altherma-heating-controls-via-home-assistant-and-onecta-integration/29384)
**Author:** [@belly120](https://community.openenergymonitor.org/u/belly120)\ **Replies:** 6\ **Last updated:** [10 March 2026 15:39 UTC](https://community.openenergymonitor.org/t/daikin-altherma-heating-controls-via-home-assistant-and-onecta-integration/29384 "2026-03-10T15:39:18Z")
Ok so likely not setting the world on fire here for revolutionary controls but it may help some, especially here in the UK, where Octopus are installing a lot of these Dainkin units. so they have 2 modes, LWT which runs… --- ## [Experiences with Havenwise and other cloud-based control options](https://community.openenergymonitor.org/t/experiences-with-havenwise-and-other-cloud-based-control-options/29786)
**Author:** [@MvanE](https://community.openenergymonitor.org/u/MvanE)\ **Replies:** 3\ **Last updated:** [5 March 2026 17:21 UTC](https://community.openenergymonitor.org/t/experiences-with-havenwise-and-other-cloud-based-control-options/29786 "2026-03-05T17:21:03Z")
Dear members, I’m interested to hear from you regarding your experiences regarding the use of Havenwise (Heat Pump Monitoring for Installers - Havenwise) or other cloud-based control options (like NOX Energy - Connectin… --- ## [Recording data from smart meter Sagemcom (Belgium)](https://community.openenergymonitor.org/t/recording-data-from-smart-meter-sagemcom-belgium/29785)
**Author:** [@koenr](https://community.openenergymonitor.org/u/koenr)\ **Replies:** 0\ **Last updated:** [26 February 2026 18:38 UTC](https://community.openenergymonitor.org/t/recording-data-from-smart-meter-sagemcom-belgium/29785 "2026-02-26T18:38:25Z")
Time to contribute my 5 cents to this open sourece project. Based on the work of @Edwin in post Script for Dutch Smart meter "Kaifa ma105" integration with emoncms I reworked the script for Python3 Belgian DSMR codes … --- ## [Is it possible to use MQTT only over WIFI?](https://community.openenergymonitor.org/t/is-it-possible-to-use-mqtt-only-over-wifi/29781)
**Author:** [@iikkak](https://community.openenergymonitor.org/u/iikkak)\ **Replies:** 3\ **Last updated:** [24 February 2026 17:30 UTC](https://community.openenergymonitor.org/t/is-it-possible-to-use-mqtt-only-over-wifi/29781 "2026-02-24T17:30:11Z")
Using 4G via hologram sim, I am trying to use as little data as possible. I have automations on my mobile phone to turn on wifi hotspot when car bluetooth connects, for ovms to be able to use Wifi all the time. I need t… --- ## [ESPHome - need for help](https://community.openenergymonitor.org/t/esphome-need-for-help/29771)
**Author:** [@FredM67](https://community.openenergymonitor.org/u/FredM67)\ **Replies:** 1\ **Last updated:** [20 February 2026 17:23 UTC](https://community.openenergymonitor.org/t/esphome-need-for-help/29771 "2026-02-20T17:23:23Z")
Hi all, Does anyone know someone from the ESPHome team? We have a PR for an ESPHome component for emonTx, and the matching HACS integration is already in the default repo. The PR was reviewed once with a request for m… --- ## [Charging and logging](https://community.openenergymonitor.org/t/charging-and-logging/29460)
**Author:** [@eUKenGB](https://community.openenergymonitor.org/u/eUKenGB)\ **Replies:** 5\ **Last updated:** [10 January 2026 09:50 UTC](https://community.openenergymonitor.org/t/charging-and-logging/29460 "2026-01-10T09:50:15Z")
With a few interruptions (I believe due to OCPP, now disabled) our OpenEVSE reliably charged our Smart ForTwo (451) ED3 for over a year. The EVSE’s timer is set for 00h30 to 05h30 and if plugged in and needing it, the ca… --- ## [OpenEVSE card for home assistant](https://community.openenergymonitor.org/t/openevse-card-for-home-assistant/28293)
**Author:** [@Guillaume\_S](https://community.openenergymonitor.org/u/Guillaume_S)\ **Replies:** 4\ **Last updated:** [9 January 2026 15:42 UTC](https://community.openenergymonitor.org/t/openevse-card-for-home-assistant/28293 "2026-01-09T15:42:10Z")
Hi I’ve made a custom HA card for OpenEVSE integration. You first need to install a beta version of the OpenEVSE integration You can install the card over HACS by clicking here: Or install it manually by following … [Next page](https://community.openenergymonitor.org/c/integrations/30.md?page=1)