Post-apocalyptic scenario - making your own computer after TS has HTF ?

User ID: 1110734>

Power is an issue.

All sorts of power inverters can be handy. Their parts will go out with time. Problematic part is electrolytic capacitor. It is a problem for all electronic devices.

Wind, solar power usually needs batteries and inverters. Most batteries have a limited lifespan. Solar panels may be a good solution and even with dead batteries as you can use power during daytime. Solar panels degrade with time, but it takes numerous decades. Wind power may need supplies for mechanical wear, generator failures.

Thermoelectric generator is really good long term solution.
[link to www.kelk.co.jp]

Diesel generator may be a good short term solution or it can be used only when there is a need. If it has enough power it can be used for welding (more power is needed) and other tools.
Fuel can be grown and produced as biodiesel.
[link to www.home-made-biodiesel.com]
[link to www.home-made-biodiesel.com]

Biodiesel can be used for cars and engine compatibility problem for new cars is explained.
[link to www.popularmechanics.com]
This problem is unlikely for a mechanical diesel engine used in generator.