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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Posted to sci.electronics.repair,alt.home.repair
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I need a real simple method to solve this problem.
How to extend the transmission time of a wireless doorbell transmitter, from 1/2 second to 1 second. My house was built with a doorbell in the front hall. Because I always listen to the radio or tv, I could not hear the bell in the basement or the second floor. I put a second bell in the basement, and for the second floor, I put the push-button transmitter for a third (wireless) bell (buzzer) next to the doorbell transformer on the basement ceiling. For the little 1" x 3" transmitter, I bypassed the pushbutton switch so it's always closed, and in place of the battery, I gave it the rectified output of the doorbell transformer, but only when someone presses the outside doorbell button. If they hold the button for about a second or more, the buzzer in the 2nd floor hall buzzes, and if I'm on the second floor, I always hear it. If they let go more quickly, it doesn't buzz. Maybe I could use the 9 to 12 volts pulsating DC that goes to the transmitter to charge a capacitor, which would then power the transmitter for another second, to make sure the buzzer upstairs buzzes. Any chance that would work? If not, some other simple idea? Is there a slow release front-door doorbell button? Last Thursday FEDEX "delivered" an envelope from a bank, but just left it on the stoop, tilted so anyone on the public sidewalk could see its bright red and blue colors and take it. No money inside, but still. I didn't know it was coming and wouldn't know it was missing. I've talked to 2 people at FEDEX and neither will say if Fedex has a position on putting their envelopes in my door slot. The USPS doesn't object to non-mail being put in mail slots. I also didn't hear the doorbell, but I don't know if he pushed the button quickly or not at all. A few months ago I was sitting in the kitchen, 10 feet from the door and the doorbell, (and I think it was Fedex) and he neither rang the bell (the first floor bell is instantaneous) or knocked louder than a little child might knock. That time the package was too big for the slot, and he left it and I don't object to that part. |
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