Search found 5 matches

by retiredtech
Tue Feb 10, 2015 8:34 am
Forum: General Discussion
Topic: Conversion of motor driven door bell chime to electronic.
Replies: 17
Views: 14115

Re: Conversion of motor driven door bell chime to electronic

Thank you for your input. I guess I will start to put this together and see how it goes. May have a little delay due to some work issues but will work on it a little at a time.

retiredtech
by retiredtech
Sun Feb 08, 2015 3:26 pm
Forum: General Discussion
Topic: Conversion of motor driven door bell chime to electronic.
Replies: 17
Views: 14115

Re: Conversion of motor driven door bell chime to electronic

I noticed there was no designation of a component type for U1. Ideas?

Richard
by retiredtech
Sat Feb 07, 2015 3:34 pm
Forum: General Discussion
Topic: Conversion of motor driven door bell chime to electronic.
Replies: 17
Views: 14115

Re: Conversion of motor driven door bell chime to electronic

Thank you all for your comments...
I have stumbled upon a circuit I believe will satisfy my requirements. Take a look at it and see if you agree.
attached is the doorbell circuit labeled doorbell.jpg
by retiredtech
Sat Feb 07, 2015 11:34 am
Forum: General Discussion
Topic: Conversion of motor driven door bell chime to electronic.
Replies: 17
Views: 14115

Re: Conversion of motor driven door bell chime to electronic

There is physically 4 solenoids that can strike either 4 or 8 times determined by a switch. The solenoids are in place and work just fine. They do not need to be moved. First I would be looking for a circuit that had already been built such as a kit and then go with individual designed circuits. I d...
by retiredtech
Fri Feb 06, 2015 3:51 pm
Forum: General Discussion
Topic: Conversion of motor driven door bell chime to electronic.
Replies: 17
Views: 14115

Conversion of motor driven door bell chime to electronic.

I have a 40+ year old Nutone 8 chime door bell that is end-of-life. It is a great sounding unit and before I scrap the unit and go out and buy a similar one at $400 plus I was wondering if anyone has built an electronic circuit to drive the solenoids instead of the motor driven mechanism. It would, ...