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chris24680
@chris24680
Eminent Member
Topics: 0 / Replies: 28
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6 months ago
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Replies: 1
Views: 97
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Replies: 2
Views: 366
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RE: AC fan speed control

Just found a a different module on ebay that looks like it does the input/output frequency alignment onboard and just takes a PWM signal for control

10 months ago
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RE: AC fan speed control

Ah ok, i assumed this zero cross input would be needed so the PWM wave output from brucontrol and the AC supply wave would be aligned so it knows wher...

10 months ago
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RE: AC fan speed control

This is the module i was looking at

10 months ago
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Replies: 7
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RE: 1-wire interferance

The 1N4001 diode across each contactor coil and extra wire between control ground and main earth terminal has resolved my issues. All working well now...

5 years ago
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RE: 1-wire interferance

I stand corrected, it is only when the contactors drop out that this occurs not when they pull in. Have ordered some diodes so will try that. I will t...

5 years ago
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RE: 1-wire interferance

This is the power supply i use /p> It powers the arduino, a 3a pump, small panel alarm and 3x contactor coils

5 years ago
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RE: 1-wire interferance

In your example schematics you have the mains earth connected to control ground point, i was unsure as to wether this was a good idea during wiring so...

5 years ago
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RE: Sonoff firmware

I attached a small video to show what happened thats probably why it failed. Ok, no worries. That explains why i couldnt get it to work. Will wait for...

5 years ago
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5 years ago
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Replies: 4
Views: 4994
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RE: Wiring questions

Thanks, i thought that must be a typo. Says 5mA here:

5 years ago
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RE: Wiring questions

Looking through my suppliers catalogue i cant find any SSRs with 5vdc control and 5mA or less trigger current

5 years ago
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