Author |
Message |
Topic: Izzit true parallel port always output at windows startup? |
leesing2k3
Replies: 2
Views: 3548
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Forum: General CCS C Discussion Posted: Wed May 30, 2007 6:24 am Subject: Izzit true parallel port always output at windows startup? |
Izzit true parallel port always output at windows startup?
Does anybody know which pin turn on during bootup? Or actually all of them will randomly output data during bootup?
Can I stop it through t ... |
Topic: Building a PCI board? |
leesing2k3
Replies: 3
Views: 3810
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Forum: General CCS C Discussion Posted: Sat May 12, 2007 3:53 am Subject: Building a PCI board? |
Simply saying that Microchip PIC is not fast enuf to talk to PCI? |
Topic: Building a PCI board? |
leesing2k3
Replies: 3
Views: 3810
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Forum: General CCS C Discussion Posted: Fri May 11, 2007 12:10 am Subject: Building a PCI board? |
I am interested in building a PCI board using Microchip PIC but I could find much information about it especially that is related to Microchip.
I have found some:
http://www.fpga4fun.com/PCI.html
... |
Topic: building application to detect thyristor effect in diode |
leesing2k3
Replies: 3
Views: 4144
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Forum: General CCS C Discussion Posted: Tue Nov 28, 2006 7:52 am Subject: building application to detect thyristor effect in diode |
So basically I need an opamp to do the job? |
Topic: building application to detect thyristor effect in diode |
leesing2k3
Replies: 3
Views: 4144
|
Forum: General CCS C Discussion Posted: Tue Nov 28, 2006 4:53 am Subject: building application to detect thyristor effect in diode |
i am building an application to detect thyristor effect in a diode. in order to do so, a current from 0mA to 50mA need to be sourced to the diode to detect the thyristor effect.
So, i get AD558 to ... |
Topic: Delaying sensor signal for PC io card |
leesing2k3
Replies: 3
Views: 4078
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Forum: General CCS C Discussion Posted: Tue Nov 28, 2006 4:47 am Subject: Delaying sensor signal for PC io card |
oh, thank you very much |
Topic: Delaying sensor signal for PC io card |
leesing2k3
Replies: 3
Views: 4078
|
Forum: General CCS C Discussion Posted: Fri Nov 17, 2006 9:08 am Subject: Delaying sensor signal for PC io card |
I have an application that needs to detect a sensor signal.
The bad part is, the signal is too fast for the pc to detect.
Currently I am using a PIC to collect the signal from the sensor then delay ... |
Topic: Is there a way to digitally set resistance? To control curr |
leesing2k3
Replies: 4
Views: 6987
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Forum: General CCS C Discussion Posted: Fri Oct 06, 2006 8:30 pm Subject: Is there a way to digitally set resistance? To control curr |
I am wondering if there is a chip that can control resistance. Like i can digitally control the chip to set resistance so that I can generate a constant current with any value that i want.
By the w ... |
Topic: I am thinking of building a software to program a pic. |
leesing2k3
Replies: 4
Views: 5141
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Forum: General CCS C Discussion Posted: Fri Sep 29, 2006 12:08 am Subject: I am thinking of building a software to program a pic. |
I am thinking of building a software to program a pic. By using either com port or lpt. But i dont have any information of how a microchip is programmed.
Searching in google is hard since i dont ev ... |
Topic: I wanna generate tones, just wondering pc motherbd speaker.. |
leesing2k3
Replies: 1
Views: 3568
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Forum: General CCS C Discussion Posted: Thu Sep 21, 2006 5:34 am Subject: I wanna generate tones, just wondering pc motherbd speaker.. |
Just found out that it can be used, amplifying by using LM386. |
Topic: I wanna generate tones, just wondering pc motherbd speaker.. |
leesing2k3
Replies: 1
Views: 3568
|
Forum: General CCS C Discussion Posted: Wed Sep 20, 2006 7:26 pm Subject: I wanna generate tones, just wondering pc motherbd speaker.. |
A piezo buzzer is needed to generate tones and melody. I wonder whether the small speaker of the motherboard will be able to do the job? |
Topic: 16F877A port c as output or input and also rs232? output_c() |
leesing2k3
Replies: 7
Views: 9191
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Forum: General CCS C Discussion Posted: Sun Jun 04, 2006 7:36 pm Subject: 16F877A port c as output or input and also rs232? output_c() |
The first thing you need to do is tell the compiler that you'll handle the tris (direction) of port C yourself. Unless you specify that you're handling the tris registers yourself, the compiler aut ... |
Topic: 16F877A port c as output or input and also rs232? output_c() |
leesing2k3
Replies: 7
Views: 9191
|
Forum: General CCS C Discussion Posted: Sun Jun 04, 2006 7:32 pm Subject: 16F877A port c as output or input and also rs232? output_c() |
Thank you very much again |
Topic: 16F877A port c as output or input and also rs232? output_c() |
leesing2k3
Replies: 7
Views: 9191
|
Forum: General CCS C Discussion Posted: Sun Jun 04, 2006 6:49 pm Subject: 16F877A port c as output or input and also rs232? output_c() |
Something wrong with input at port c also
while(1) {
newval=input_c();
if (newval!=oldval) {
oldval=newval;
printf("%0 ... |
Topic: 16F877A port c as output or input and also rs232? output_c() |
leesing2k3
Replies: 7
Views: 9191
|
Forum: General CCS C Discussion Posted: Sun Jun 04, 2006 1:16 pm Subject: 16F877A port c as output or input and also rs232? output_c() |
Thank you very much. |
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