Microcontroller 8051 with RF-tx and rx and encoder and decoder - Page 2 - Electronic Circuits Projects Diagrams Free

Papabravo · 24th May 2008, 04:01 PM

I guess the folks at "Prakash" have other ideas.
I did like the croc, although I had to work a bit to see him.

blueroomelectronics · 24th May 2008, 04:05 PM

Well I do like the rubber stamp, makes it seem so official.

ashishdaga1 · 24th May 2008, 08:55 PM

thanks all of u for ur replies.i think for driving ht640 u will need transistors as shown in the link.it did work with this driving transistors
Introduction
is there any other alternative to these instead of these transistors

ashishdaga1 · 24th May 2008, 08:59 PM

also about not giving the pins really sorry for that but my main problem is interfacing 8051 with encoder/decoder.rest circuit i have taken care off.i did have pull-up 10k before at port 0 but it did not work so i tried with these transistors instead.

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24th May 2008, 04:01 PM	(permalink)
Papabravo	I guess the folks at "Prakash" have other ideas. I did like the croc, although I had to work a bit to see him. __________________ We never have time to do it right; but we always have time to do it over.

24th May 2008, 04:05 PM	(permalink)
blueroomelectronics	Well I do like the rubber stamp, makes it seem so official. __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com

24th May 2008, 08:55 PM	(permalink)
ashishdaga1	thanks all of u for ur replies.i think for driving ht640 u will need transistors as shown in the link.it did work with this driving transistors Introduction is there any other alternative to these instead of these transistors

24th May 2008, 08:59 PM	(permalink)
ashishdaga1	also about not giving the pins really sorry for that but my main problem is interfacing 8051 with encoder/decoder.rest circuit i have taken care off.i did have pull-up 10k before at port 0 but it did not work so i tried with these transistors instead.