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2-bit video DAC questions
Hi all, I read the document http://instruct1.cit.cornell.edu... on how generate TV images (on NTSC TVs) using a 2-bit DAC controlled by the ATMEGA644. Please see the attached...
Sunday, 20 February 2011 - 05:05
Suggestion of an IC for interfacing with HDTV/digital TV?
Hi, So, Analog has the AD723/AD725 ICs, which are NTSC and PAL encoders, for analog TVs. Now the world has gone viral with digital TVs. Are there any corresponding ICs like the...
Friday, 11 February 2011 - 18:08
Best way to read a pin's value to either zero or 1?
Right now, I am doing the below to get a boolean value of a pin, PIN B3, in this case. There has to be a better way :-) // TODO: Better way to read a PIN a value. // Read...
Saturday, 29 January 2011 - 19:29
AVR Studio 4 does not recognize my WinAVR installation
Hi, I have WinAVR installed in a local c:\avr directory rather than the default "c:\program files" folder. When I start my AVR Studio 4.0, it says that it cannot locate the WinAVR...
Sunday, 16 January 2011 - 03:15
how would I connect my SPI pins (master) to slave device...
Hi, I am trying to use SPI interface to have my ATMEGA8 acting a master to the TC77 temperature sensor, which supports SPI but only has 3 pins. They are: SCK, /CS, and SI/O. It...
Thursday, 13 January 2011 - 05:24
sample Makefile that create a library out of *.c/*.ccp files
Hi, It's been awhile since I created a library. I vaguely remember that one uses the AR (archive) command to do so. But, I would like a nice/simple sample or template (even...
Monday, 10 January 2011 - 06:59
proper name of the 1-to-many switch? Please see image.
Hi, I am interested in buying a couple of the switches, the "SW1" switch, shown in the attached image. But, I don't know the name called for this called of switch. It's one to...
Sunday, 2 January 2011 - 04:30
First time with the ATMEGA644...Questions
hi, Just got a piece of the ATMEGA644-20PU PDIP format. Able to do a blink LED program. I changed the fuses to be 0xCF for low byte and 0x91 for high byte, so that it can work...
Saturday, 25 December 2010 - 01:45
PTC resettable fuse questions
Hi, I am trying to choose a good (as in proper values) PTC for my USB power supply project for micro-controller. I am looking to make a simple power supply for breadboarding...
Monday, 6 December 2010 - 20:14
Banging my head with AT90USB162 and Flip and AVRDude
Ok, I got my AT90USB162 recognized by Flip, but I have a couple problems: 1. I can't read any from Flip because of "Device protection is set" crappy thing keeps preventing me from...
Friday, 26 November 2010 - 06:07
Help! Why my AT90USB162 heats up when power is applied?
Hi, I have been trying to wire up the AT90USB162, but I have had no luck, because the AT90USB162 heats up when I apply power. Yes, I have searched the web and saw examples of...
Sunday, 21 November 2010 - 00:47
LDO precision--L78L33 voltage regulator to 3.3V
Hi, I am using the L78L33 (http://www.st.com/stonline/books... ) to produce a 3.3V output, wired up as shown in the attached image. My Vin = 5V basically from my computer's USB...
Monday, 15 November 2010 - 04:48

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