AVR-Chat

Hi Daniel,

The photodiode probably won't be able to source/sink enough current 
for your LED. Use a spare output on the micro to drive the LED (with 
a series resistor, of course ;-) ).

Regards,
Les.

On 12 Aug 2004 at 21:57, Daniel Boyer wrote:

> 
> > 
> > Post your final! :)
> 
> Okay, the final schematic is here:
> http://www.dpicts.com/Tiny15L-LaserDetector-Final.jpg
> 
> You will notice a segment on the right that is in a pink box... I have
> not added this to the circuit yet (the circuit is working great
> without it), and I wanted to check with you guys as to whether or not
> it will work correctly with this addition.  The point of the addition
> BTW is to aid in aiming the laser; when the laser hits the photodiode
> I want this LED to light up so that I know I have a good aim (I have
> learned today that a laser is a lot more finicky to aim than a simple
> IR LED)... If you haven't noticed yet, I am much more of a programer
> than an electronics person (actually I am a biologist with way too
> many hobbies). Thanks, Daniel KC9DAG
> 
> 
> 
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Les Grant. VK2KYJ.      Phone: 02 9896 7150 Fax: 02 9896 7153
Grantronics Pty Ltd     Int'l: +612 9896 7150, +612 9896 7153
ABN 46 070 123 643
PO Box 275, Wentworthville. NSW. 2145. Australia.            
http://www.grantronics.com.au  mailto:info@grantronics.com.au
Microcontroller Hardware and Software development:  Atmel AVR
8051 derivatives, 80C196 family, C, ASM, Digital and analogue 
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