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Noob questions on AT32UCL064 hi, Just some basic questions, and pardon, even browsing through the spec at http://www.atmel.com/dyn/resourc... , I still don't get the below. 1. The spec keeps saying 32Khz... |
Sunday, 7 August 2011 - 20:05 |
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Oh, lordie! Where is pin #1? Hi, I have an 74HC595 (SMD format) from ST Electronics. See picture. The manufacturer does not make the part with a dot or a notch to help locate pin #1. Given the attached... |
Saturday, 6 August 2011 - 22:57 |
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How would I make (a simple one) 50ohm antenna? Hi, I am trying out a project with Sub-Mhz RF transceiver, that is, 433Mhz, 868Mhz, or 915Mhz. (I want to experiment with 433Mhz.) I bought some MRF49XA ICs (ww1.microchip.com/... |
Saturday, 23 July 2011 - 00:55 |
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R2R Ladder 8-bit DAC question Hi, I am able to create an 8-bit R2R ladder 8-bit DAC using 1% resistors. See attached image, which I got from the site http://ikalogic.com/dac08.php Below are my findings for... |
Tuesday, 28 June 2011 - 04:22 |
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The histories of 1.8V/3.3V/3.6V ? Hi, I've always wondered by such "odd" voltages? For example, it so convenient to have 3.0V, basically two AA or AAA 1.5V batteries, but why 3.3V? I understand ICs have been... |
Tuesday, 21 June 2011 - 17:22 |
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Please take a look at the power and ISP wiring Hi, I am making a device that use 2 AAA batteries (3V) total. It also has the ISP pins for programming the uC. When I program the uC, I will take out the batteries and have the... |
Monday, 20 June 2011 - 05:20 |
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AVR GCC supports ATTINY4/5/9/10? Hi, Pardon if this is a FAQ, but I just checked all the targets supported by gcc version 4.3.2 (WinAVR 20090313). I don't see that it supports ATTINY4/5/9/10 micros. Perhaps... |
Sunday, 19 June 2011 - 17:01 |
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Plz explain more on the two diodes in the below schematic hi, I don't understand fully the two diodes connected to the 36khz and 38khz IR receivers in the schematic shown at the page http://www.sbprojects.com/projec... Could someone... |
Thursday, 16 June 2011 - 05:20 |
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Led Matrix question with the TLC5920 led driver Hi, I am able to drive a common cathode bi-color led matrix using HC595s for the cathode pins and using the HC138 for the anode pins. Please see attached image of the common... |
Wednesday, 8 June 2011 - 05:44 |
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40Khz IR receiver covers all? Hi, One basic question with IR protocol decoding. Looks like well-known remote/IR controllers (e.g., for TV by Sony, Sharp, etc.) have protocols that are defined for 36Khz, 38Khz... |
Monday, 6 June 2011 - 06:54 |
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Consistently getting a stable 4.26V for a 3.3V LDO :-( Hi, I bought some TO-92 pieces of ST Microelectronics' L78L33ACZ, a 3.3V LDO. This LDO has 3 pins, Vin, GND, and Vout. For Vin, I feed in 5V from the my USB and is bypassed with... |
Tuesday, 10 May 2011 - 03:35 |
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Can't seem to decipher problem with inline assembly Hi, I have the below program, trying out inline assembly. #include void asmCode(); int main (void) { asmCode(); return 0; } void asmCode() { asm volatile( "... |
Monday, 2 May 2011 - 05:08 |