Notes on integrating a Nissan Leaf ZE1 and Home Assistant

(WIP - last updated 13/01/2025) I recently bought a 2020 Nissan Leaf, having previously owned a 2015 model. The car has essentially not changed much over time, different batteries, a new body, but the interior/electrical system is quite a bit different on the newer models. One significant…

Notes on the Valeo S0087-A keyfob transponder

So I accidentally put my Honda Civic's car key through the washing machine. Oops. I tried unlocking the car as soon as I unloaded the machine and it still worked, phew. I didn't want to disassemble the key because I don't have a spare,…

BOA dial replacement tips

I've just had to repair my cycling shoes, my steel wire lace snapped and BOA sent me a repair kit. The included paper instructions are NOT easy to follow, firstly I'd strongly recommend ignoring it and watch their video instead. Tip 1: if you are using…

Notes on using an ME3000SP inverter

If you are installing one of these then firstly read this set of notes, it's very useful. I'll confirm/add a few things here. Firstly, upon install you absolutely MUST 'freeze' (lock) the direction of the main import/export CT clamp. If you don&…

HD-WSD-MI-01 Ultrasonic Anemometer

I recently bought this ultrasonic anemometer off AliExpress, to replace a Davis wind cup/vane setup where I used ESPHome to read the pulses and the potentiometer resistance. It was relatively cheap and looked reasonable quality compared to others available. It comes with instructions which are quite good, basically you…