APsystems ECU Reader
HAEdwin/homeassistant-apsystems_ecu_reader · v2.15.0
APsystems ECU Local Query Integration for Home Assistant
In Apple Home through HomeKit Bridge
What HomeKit Bridge makes of each kind of entity this integration creates, read from its source code. A device only gets the ones that apply to it.
| Entity | Shows up as | Note |
|---|---|---|
switch | Switch or outlet | |
binary_sensor | Sensor (motion, contact, leak, smoke…) | |
sensor | Sensor (temperature, humidity, air quality…) | |
button | Button (as a switch) |
What people report
APsystems ECU-C firmware updates (C1.2.24B onward) cut off local data for many users and power limit writes are not enforced; APsystems is reportedly slow to respond.
- Partly works2
| Device | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| APsystems ECU-C (firmware C1.2.24B) | Partly works Local | Entities lost values after overnight firmware update; local interface cut offSaved copy… Help us by sharing us the relevant home-assistant.log part. But before submitting, read this important info: https://github.com/HAEdwin/homeassistant-apsystems_ecu_reader/wiki/Debug-Mode-Guide [code] ## Expected Behavior Tell us what should happen ## Current Behavior No values in all entities ## Possible Solution Not obligatory, but suggest a fix/reason for the bug ## Steps to Reproduce Provide an unambiguous set of steps to reproduce this bug. Include code or logging to reproduce, enable debug logging if relevant. [code] 1. 2. 3. 4. ## Home Assistant hardware - [ ] Raspberry Pi - [ ] Docker … Excerpt saved from GitHub on 2026-10-23. | Issue #131 · 2026-04 | |
| APsystems ECU-C (firmware C1.2.26) | Partly works Local | Power limit accepted locally but not enforced on invertersSaved copyRelated to #125 and possibly the same root cause as #151. Setup: ECU-C, ID 21500006xxx, firmware ECU-C-Z_C1.2.26, integration v2.15.0. Symptom: Setting number.roof_ecu_21500006xxxx_power_limit via HA is accepted end-to-end: HA logs confirm success: Response from ECU on bridging zero export to state open: Set Switch successfully The ECU-C's own local page (/index.php/meter/meter_func1) reflects the new value correctly. But actual inverter output is not curtailed, current_power stayed at 330W with a 70W limit set (checked several minutes after, well past the 5-minute inverter update cycle). … Excerpt saved from GitHub on 2026-10-23. | Discussion #163 · 2026-09 |
Gathered from GitHub issues, pull requests, discussions and docs, and from r/homeassistant. These are individual reports, so check the linked thread and the date before you buy.
How it connects
Local polling
Talks to the device on your network, asking it for updates every so often.
Details
| Installs (analytics) | 916 (0.13%) |
|---|---|
| GitHub stars | 212 |
| Latest version | 2.15.0 (2026-10-19) |
| Set up in the UI | Yes |
| Maintainers | @haedwin |
| License | Apache-2.0 |
In ReReHome
Whatever HomeKit Bridge shares reaches Apple Home as normal HomeKit accessories behind your Home Assistant bridge, so ReReHome shows and controls them like any other.
Bridges get their own settings page listing the accessories behind them.
