Mains bed pwm frequency/flickering lights.
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@tekkydave, I don't know the SSR model, I was asking regarding your suggestion to @Surgikill. Is there a simple way to test if a SSR is zero crossng?
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@zapta I don't think so apart from the manufacturer's spec.
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@tekkydave This is the SSR I bought.
Probably a fake. I paid 9 bucks for it back in 2019.
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Why buy a fake for 9 bucks when you can get a real one (25A) with certification for 9 bucks?
https://www.auberins.com/index.php?main_page=product_info&cPath=2_30&products_id=9
or the 40A for 17$
https://www.auberins.com/index.php?main_page=product_info&cPath=2_30&products_id=30
I have this one by the way.
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@Phaedrux Probably because this is the first time I've heard of fakes, and every time I looked up genuine ones they were 35 bucks.
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It was really bad a few years ago.
https://www.instructables.com/The-inner-workings-of-Counterfeit-FOTEK-SSRs/
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@Phaedrux Great. I have like 4 of these SSR's in various projects, some using 220V and high current. Can't wait to see if any of them explode.
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I discovered I had a fake Fotek SSR on my 750W 220V heatpad. It looks genuine but I only paid a few quid for it on ebay. To be fair it was doing its job but I didn't want to take the risk.
I replaced it with this one from a reputable supplier (RS in the UK).
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If you check out https://protosupplies.com/inferior-counterfeit-fotek-ssr-25-solid-state-relays-on-the-market/ it has two pics to highlight how to spot the fake Foteks.
The Real Ones look like this:
and the fakes:
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@tekkydave Yep, mine is fake as shit. Looks like I need to get some better ones.
