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Re: IR Remote Control [message #73916 is a reply to message #73716]

Mon, 24 September 2012 01:06

Wayne Parham
Messages: 18786
Registered: January 2001

Illuminati (33rd Degree)

gofar99 wrote on Fri, 31 August 2012 21:25

Hi Wayne, my pleasure on the build. Smile

A departure from tubes for a while and a learning experience. I noticed you used the two stage regulators. I believe that was important in the one I built as it made it quite stable and really quiet. The LM3916 is a good choice. They are inexpensive and work well with LEDs. I have one of the LM39XX series that has a built in led bar graph and wish I had more. They are scarce and last time I checked quite costly. I think the original cost was something like $4. Now about 10 times that.

I got LM3916 chips at DigiKey for about two bucks each.

LM3916 at DigiKey

I've put the IC sockets and relays on each of the four prototype boards. Going at a snails pace because I have so many more things on my plate. But it is a pretty simple circuit so I should have 'em done in the next few months, hopefully by the end of the year.

I'm using a little 5V relay that has excellent contacts and only takes 30mA holding current. So it's nothing for the regulators to drive:

IM03GR 5V DPDT relay

The metal shop should have the front and rear panels done this week, so I'll post pictures when I get them.

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[Message index]

		IR Remote Control By: skywave-rider on Fri, 25 May 2012 15:46
		Re: IR Remote Control By: Wayne Parham on Fri, 25 May 2012 18:49
		Re: IR Remote Control By: skywave-rider on Sun, 27 May 2012 15:39
		Re: IR Remote Control By: Wayne Parham on Sun, 27 May 2012 19:50
		Re: IR Remote Control By: skywave-rider on Thu, 31 May 2012 13:52
		Re: IR Remote Control By: Wayne Parham on Thu, 31 May 2012 17:47
		Re: IR Remote Control By: Bill Epstein on Tue, 05 June 2012 13:16
		Re: IR Remote Control By: Wayne Parham on Tue, 05 June 2012 15:19
		Re: IR Remote Control By: Bill Epstein on Sun, 10 June 2012 06:36
		Re: IR Remote Control By: skywave-rider on Sun, 10 June 2012 09:26
		Re: IR Remote Control By: Wayne Parham on Sun, 10 June 2012 09:53
		Re: IR Remote Control By: Bill Epstein on Sun, 10 June 2012 11:08
		Re: IR Remote Control By: skywave-rider on Sun, 10 June 2012 12:22
		Re: IR Remote Control By: Bill Epstein on Sun, 10 June 2012 13:58
		Re: IR Remote Control By: skywave-rider on Sun, 10 June 2012 19:30
		Re: IR Remote Control By: Wayne Parham on Sun, 10 June 2012 21:15
		Re: IR Remote Control By: skywave-rider on Thu, 14 June 2012 18:02
		Re: IR Remote Control By: skywave-rider on Sat, 16 June 2012 18:52
		Re: IR Remote Control By: Wayne Parham on Sat, 16 June 2012 21:26
		Re: IR Remote Control By: Bill Epstein on Sun, 17 June 2012 09:20
		Re: IR Remote Control By: skywave-rider on Sun, 17 June 2012 11:11
		Re: IR Remote Control By: skywave-rider on Wed, 20 June 2012 16:49
		Re: IR Remote Control By: Wayne Parham on Wed, 20 June 2012 19:12
		Re: IR Remote Control By: skywave-rider on Wed, 20 June 2012 22:36
		Re: IR Remote Control By: gofar99 on Thu, 21 June 2012 13:31
		Re: IR Remote Control By: Bill Epstein on Thu, 28 June 2012 05:53
		Re: IR Remote Control By: Wayne Parham on Thu, 30 August 2012 23:47
		Re: IR Remote Control By: gofar99 on Fri, 31 August 2012 15:33
		Re: IR Remote Control By: Wayne Parham on Fri, 31 August 2012 16:19
		Re: IR Remote Control By: gofar99 on Fri, 31 August 2012 21:25
		Re: IR Remote Control By: Wayne Parham on Mon, 24 September 2012 01:06
		Re: IR Remote Control By: Wayne Parham on Sun, 30 September 2012 11:46
		Re: IR Remote Control By: Shane on Tue, 16 October 2012 10:58
		Re: IR Remote Control By: Wayne Parham on Tue, 16 October 2012 11:22
		Re: IR Remote Control By: Shane on Tue, 16 October 2012 13:49
		Re: IR Remote Control By: Wayne Parham on Tue, 16 October 2012 15:23
		Re: IR Remote Control By: Shane on Fri, 19 October 2012 22:19
		Re: IR Remote Control By: Wayne Parham on Sat, 20 October 2012 10:14
		Re: IR Remote Control By: Shane on Tue, 30 October 2012 22:00
		Re: IR Remote Control By: Wayne Parham on Wed, 31 October 2012 20:50
		Re: IR Remote Control By: Wayne Parham on Tue, 20 November 2012 00:34
		Re: IR Remote Control By: gofar99 on Tue, 20 November 2012 19:41
		Re: IR Remote Control By: Shane on Tue, 20 November 2012 20:42
		Re: IR Remote Control By: gofar99 on Tue, 20 November 2012 21:06
		Re: IR Remote Control By: Shane on Tue, 20 November 2012 22:26
		Re: IR Remote Control By: Wayne Parham on Tue, 20 November 2012 23:27
		Re: IR Remote Control By: Wayne Parham on Sun, 30 December 2012 19:50
		Re: IR Remote Control By: Wayne Parham on Sun, 06 January 2013 20:58
		Re: IR Remote Control By: Shane on Sun, 06 January 2013 21:48
		Re: IR Remote Control By: Wayne Parham on Mon, 07 January 2013 11:04
		Re: IR Remote Control By: gofar99 on Mon, 07 January 2013 21:51
		Re: IR Remote Control By: Shane on Mon, 07 January 2013 22:23
		Re: IR Remote Control By: Wayne Parham on Tue, 08 January 2013 10:11
		Re: IR Remote Control By: gofar99 on Tue, 08 January 2013 10:40
		Re: IR Remote Control By: Wayne Parham on Tue, 08 January 2013 11:31
		Re: IR Remote Control By: Wayne Parham on Thu, 10 January 2013 23:06
		Re: IR Remote Control By: Wayne Parham on Mon, 14 January 2013 01:45

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