A short info about the different uC - Page 2 - Electronic Circuits Projects Diagrams Free

bananasiong · 4th February 2008, 08:41 AM

Do you really need simultaneously? With PIC16F, the time taken for one sample (sample & hold + conversion) is approximately 50 us. Is it really critical for you to sample another channel with the time different of 50 us or less?

Kryten · 8th February 2008, 01:14 PM

I was looking for about 10 samples a sec so i guess not.

blueroomelectronics · 9th February 2008, 06:45 PM

Quote:

Originally Posted by Kryten

I was looking for about 10 samples a sec so i guess not.

10 samples per second is no problem on any PIC with an A/D.

Salgat · 10th February 2008, 02:03 AM

I know that your typical AVR has 8-10 ADC channels, supports RS-232. I have no experience with USB though.

Kryten · 11th February 2008, 05:38 PM

Well i have found a device that handels my USB needs. I need a device that kan write to a memorycard (SD or something like it), dump to a device when a button is pressed....

I think Im going for a PIC16F (or similar)

blueroomelectronics · 11th February 2008, 05:56 PM

Now here's an idea. Format the SD card in a Windows readable format. No need to connect the PIC to transfer, just get a SD card reader.

Kryten · 11th February 2008, 06:36 PM

Well i could do that and make the logg output format readable like a txt file. Hmm that would be simpler to make as well (cos i wouldn't need the USB thingy)

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4th February 2008, 08:41 AM	(permalink)
bananasiong	Do you really need simultaneously? With PIC16F, the time taken for one sample (sample & hold + conversion) is approximately 50 us. Is it really critical for you to sample another channel with the time different of 50 us or less? __________________ Superman returns..

8th February 2008, 01:14 PM	(permalink)
Kryten	I was looking for about 10 samples a sec so i guess not. __________________ Simplicity rules Good enought - its perfect ?? 2 Gig of free online backup space Are you a Chemist?

10th February 2008, 02:03 AM	(permalink)
Salgat	I know that your typical AVR has 8-10 ADC channels, supports RS-232. I have no experience with USB though.

11th February 2008, 05:38 PM	(permalink)
Kryten	Well i have found a device that handels my USB needs. I need a device that kan write to a memorycard (SD or something like it), dump to a device when a button is pressed.... I think Im going for a PIC16F (or similar) __________________ Simplicity rules Good enought - its perfect ?? 2 Gig of free online backup space Are you a Chemist?

11th February 2008, 05:56 PM	(permalink)
blueroomelectronics	Now here's an idea. Format the SD card in a Windows readable format. No need to connect the PIC to transfer, just get a SD card reader. __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com

11th February 2008, 06:36 PM	(permalink)
Kryten	Well i could do that and make the logg output format readable like a txt file. Hmm that would be simpler to make as well (cos i wouldn't need the USB thingy) __________________ Simplicity rules Good enought - its perfect ?? 2 Gig of free online backup space Are you a Chemist?