How do I make a telephone ring? | Off Topic

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#308672 - 28/03/2008 14:13 Re: How do I make a telephone ring? [Re: ShadowMan]
mlord carpal tunnel Registered: 29/08/2000 Posts: 14509 Loc: Canada	Originally Posted By: ShadowMan Gotcha. The voltage was hiding from me. My Google-Fu is weak today. I was hoping to use what we have on hand, but I'll look into a remote buzzer of some sort. A 35-45VDC PSU, a 555 timer, a resistor, capacitor, inverter, and an H-Bridge chip (eg. L293D for 35VDC). Cheers
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Subject	Posted by	Posted
How do I make a telephone ring?	ShadowMan	28/03/2008 12:31
Re: How do I make a telephone ring?	peter	28/03/2008 12:58
Re: How do I make a telephone ring?	mlord	28/03/2008 13:03
Re: How do I make a telephone ring?	ShadowMan	28/03/2008 13:59
Re: How do I make a telephone ring?	mlord	28/03/2008 14:13
Re: How do I make a telephone ring?	StigOE	28/03/2008 14:51
Re: How do I make a telephone ring?	mlord	28/03/2008 14:56
Re: How do I make a telephone ring?	gbeer	28/03/2008 23:30
Re: How do I make a telephone ring?	ShadowMan	01/04/2008 10:17
Re: How do I make a telephone ring?	gbeer	02/04/2008 00:44
Re: How do I make a telephone ring?	ShadowMan	03/04/2008 13:46
Re: How do I make a telephone ring?	tanstaafl.	03/04/2008 19:14
Re: How do I make a telephone ring?	ShadowMan	15/04/2008 22:49
Re: How do I make a telephone ring?	gbeer	15/04/2008 23:49
Re: How do I make a telephone ring?	tanstaafl.	16/04/2008 02:03
Re: How do I make a telephone ring?	ShadowMan	16/04/2008 09:54
Re: How do I make a telephone ring?	lectric	16/04/2008 15:18
Re: How do I make a telephone ring?	gbeer	16/04/2008 16:56
Re: How do I make a telephone ring?	ShadowMan	16/04/2008 17:02
Re: How do I make a telephone ring?	lectric	17/04/2008 00:50
Re: How do I make a telephone ring?	ShadowMan	01/04/2008 10:18