Bm2 battery monitor app8/11/2023 ![]() ![]() IEEE 11073-20601 Regulatory Certification Data List (0x2A2A) ![]() Peripheral Preferred Connection Parameters (0x2A04)Ĭlient Characteristic Configuration (0x2902) I’ve taken some logs from nrfConnect app (which is a BT Snooper) nRF Connect, I can’t seem to get any data from it though and am starting to hit my limits on what I can do. I’ve bought an ESP32 and got the BLE tracker bit up and can see the device in question: |07:11:16|||New BLE device| I’d like to see if I can get the data directly into HA. I use a BM2 battery monitor in the car and use the supplied app. One thing that I’d really like to do is to read a BM2 battery monitor (like this: ) from my weekend car and report when it needs charging up. I’ve been moving my stuff from espeasy to ESPHome. I urge the developer to remove all the Trip logging features, and instead focus more on the Battery Monitor features, such as setting the battery type by individual battery.I’ve recently discovered the joys of HA and ESPHome. You must choose one profile or the other which is then set for both batteries. So, if you are like me and have one Starting Battery in the Tow Vehicle, and one Storage Battery in the Travel Trailer, you cannot access both profiles. These are features I would not expect or want in a battery monitor.Ī larger design limitation is that you can set whether the batteries are Starting Batteries or Storage Batteries, but the setting affects all four batteries. Each trip can be saved as a Personal or Business trip. Pros: Displays up to four batteries status on the home screen has useful ability to measure the instantaneous voltage changes such as during engine cranking quickly refreshes battery status.Ĭons: Has strange choices by the developer, such as unrelated features like Trip Mapping, Highway Tolls and Parking expense recording. The app is a little strange though, in terms of it's features. ![]() The basic functionality of this app is good. ![]()
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