Re: Source of LDR required.
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I bet those 40k-400k LDR could work too... too much resistance?, then put the led further away, cover it with something, paint it, place some thin film between the two, or even WAY better use a bigger resistor so the led doesn't shine as bright, what about placing a normal (smaller) resistor in parallel with the LDR?, etc. The point is to experiment, try new things, try to make it work with what you have, and of course learn a lot in the process! :)
73
Dan
On Sat, May 27, 2017 at 3:58 PM, Vince Vielhaber <vev@...> wrote: In trying to figure out what you guys were referring to I did some digging and the one thing I did find was a blog post saying that a 40k-400k LDR that he had on hand didn't work.? But one that went from a few K to about 40k was fine.
Vince.
On 05/27/2017 04:29 PM, Jack Purdum via Groups.Io wrote:
Also note that Peter encased the LED and LDR in electrical tape before
he actually used it. I think shrink tubing would also work. I, too,
believe any LDR would work.
Jack, W8TEE
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*From:* Daniel Isaza <hk4dei@...>
*To:* [email protected]
*Sent:* Saturday, May 27, 2017 4:20 PM
*Subject:* Re: [BITX20] Source of LDR required.
I'd say just about any LDR will work, go ahead and try that circuit
using what you have at hand, experiment, be safe, and overall, have fun!
73
Dan
HK4DEI
On Sat, May 27, 2017 at 7:49 AM, philip yates <phil@...
<mailto:phil@...>> wrote:
? ? I am trying to get the parts together for the VK3YE AGC, and I am
? ? having trouble sourcing the LDR,
? ? does anyone have the details of a supplier that is suitable, or can
? ? I use any? LDR ?
? ? Thanks
? ? Phil - G7BZD
--
? Michigan VHF Corp.? ?? ?
? ? ? ? ? ? ? ? ? ? ? ? ?
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