Resistor in parallel will draw more current and perhaps allow the solenoid
to work. Those solenoid door bells normally use up almost all of the power
from those class 2 transformers.
-----Original Message-----
From: [email protected]
Sent: Tuesday, September 6, 2022 9:57 AM
To: 'AnimalFarm Microwave Users Group'
Subject: Re: [AFMUG] OT: Electronic question
I'm thinking V=IR so if I add resistance to the newer bell would it draw
more current and trigger the solenoid? Or would the resistor just be
turning current into heat?
-----Original Message-----
From: AF <[email protected]> On Behalf Of Chris Fabien
Sent: Tuesday, September 06, 2022 11:41 AM
To: AnimalFarm Microwave Users Group <[email protected]>
Subject: Re: [AFMUG] OT: Electronic question
I think you are correct about the cause of the issue, probably the easiest
solution is to leave the buzzer in the main circuit, and wire a 24vac relay
in parallel with it, using the relay contacts to close and open the circuit
to the ding-dong bell.
On Tue, Sep 6, 2022 at 10:08 AM <[email protected]> wrote:
I know some of you are really good at this stuff…..
I’m in a 95 year old house. There are two doorbells. I just replaced the
front doorbell with a new cheapo from Lowes. Two chimes and two
solenoids. One solenoid fires when you press the button, and the other
fires when you release the button so you get the “ding-dong”.
There’s an old doorbell in the back kitchen that sounds like an old school
bell. Two coils make the clacker move rapidly back and forth striking the
bell repeatedly.
Well, when I hooked up both the old and new bell at the same time, the
school bell goes off when you press the button and the new one just goes
“dong” when you release the button. Either one works fine hooked up
separately. I’m guessing the first solenoid never fires on the new
doorbell because the school bell is a way heavier load and takes all the
current. I could just replace the school bell, but I kinda like the
nostalgic factor. And I suppose the other easy answer is put them on
separate transformers triggered by the same switch.
Is there some simple nerd-gineer answer like “just put a resistor here”?
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