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Adjustable voltage regulator (TC1174 device) questions
Hi, I am planning to use the TC1174 to regulate a 5V down to 3.6V. Please see the attached schematic. Vin = 5V and max. 500mA can ne drawn from this Vin. Vout = 3.6V and max...
Monday, 14 March 2011 - 01:17
Please comment on the attached design/wiring
Hi, I am designing an adapter for an SMD part, that is, SMD to PDIP adapter. This part has a lot of VCC and GND pins. So, decouple these sets of VCC and GND pins with 0.1uF...
Saturday, 5 March 2011 - 17:21
Need bitmap routines for graphics LCD
Hi, I found graphics routines for LCDs (not specific to any LCD). But I am also looking for bitmap routines, such as drawing bitmaps with clipping abilities. Any pointer would be...
Tuesday, 1 March 2011 - 06:09
USB to RCA (Yellow/Red/White) cable question
Hi, Nowadays when you buy a digital camera, they give you a USB-to-RCA cable so that you can view the pictures on your TV. See attached image. I am thinking of doing a TV project...
Monday, 28 February 2011 - 02:09
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

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