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They are too expensive and gimicky either way (sh.itjust.works)

submitted 10 months ago by [email protected] to c/[email protected]

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[–] [email protected] 15 points 10 months ago (1 children)

You will not get a washing machine without processor, let alone PCB. Processors also hardly ever fail. It is stuff like the voltage conversion which powers the logic side, the actual power switches for the motor, capacitors or simply stuff that corrodes.

[–] [email protected] 10 points 10 months ago (1 children)

Does an old school washer dryer that runs off timer relays / knobs / push buttons really have a CPU? I ask because that's how mine is and I haven't had to look at the controls but they seem dead simple to me. I get there's different cycles but some simple ladder logic should be able to handle that, no? Half the world runs on simple machines like that.

[–] [email protected] 3 points 10 months ago

Does an old school washer dryer that runs off timer relays / knobs / push buttons really have a CPU?

Nope, it's just a timer-drive. cam triggering switches. The physical cam IS the CPU.

We have reached a point in time where there are adults who think everything that runs through multiple steps must have a microcontroller, because only really really old machines* do without.

*For the most part. I bought a brand new whirlpool dryer late last year, and it has a mechanical timer in it.