a site about old obsolete cars and computers.
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Follow-up to Atlantic Aurea 5 Hybrid in Home-assistant
Follow-up to Atlantic Aurea 5 Hybrid in Home-assistant Last post i said: rip out the second MCU, buy a DIYless slave board for the thermostat. The board arrived and became my test rig, but it never went in. Turned out the control box already had everything — two OpenTherm interfaces, three relays, an 18 V…
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Atlantic Aurea 5 Hybrid in Home-assistant
The Aurea 5 Hybrid is a rebadged Chofu with a control box that, let’s say, has room for improvement. So i replaced its brain with an ESP32 running ESPHome — it talks straight to the outdoor unit and lets me set the flow temperature from Home Assistant. No Modbus, no OpenTherm to the outdoor unit…
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CN105 ESPHome for the Mitsubishi Electric MSZ-HR35VF
THIS PROJECT IS AT OWN RISK. In my house i have two MSZ-HR35VF units of Mitsubishi Electric. Which i connected to my home assistant. For this project i used https://github.com/echavet/MitsubishiCN105ESPHome For this i used the following hardware: Premade pigtails – (select 5P option) –> https://nl.aliexpress.com/item/1005002904897793.html D1 Mini with ESP8266 –> https://www.amazon.nl/dp/B0754W6Z2F To make the mod…
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Cobalt RaQ2 webserver
In the realm of vintage technology, sometimes a hidden gem appears when you least expect it. Scrolling through the local marketplace, my eyes caught a glimpse of a retro webserver that stirred the flames of nostalgia within me. Unable to resist, I took the plunge and acquired not just one but two Cobalt RAQ2 servers.…
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Gas-testers…
This hobby is escalating since i bought my Opel Tech80 machine… Recently i claimed the domain https://sun-electric.nl/ which is SUN’s oldest domain and restored a bit of thier old website on it. But i’m also working on making everything around those machines open to the public… For today i made an extra shelft that could…
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Broken Opel Kapitan P2 gearbox
For my uncle i tried an attempt to repair his Kapitan P2 gearbox. His car leaked the oil out of it and ruined the bearings. Before i started on this gearbox i disassembled a spare Rekord P2 gearbox because these gearboxes are almost the same. I did this because i presume we are going to…