Post Created date
Why not use internal oscillator?
ka7ehk wrote:Async serial communications is one of the big areas that folks first run into where the internal oscillator is not sufficient. I have a simple application that reads...
Tuesday, 8 January 2008 - 02:50
Use of JTAG pins
huguin wrote:Would JTAG programming succeed even if some hardware is attached? Short answer is that as long as the pin isn't being driven high or low, or have too much capacitance...
Friday, 14 December 2007 - 02:12
Input Protection
icabrera wrote:Signal comes from Inductive Loop Detector... or Vehicle Detector, so this is a MCU input to advise on vehicle presence. I want to avoid some problems by protecting...
Tuesday, 11 December 2007 - 23:36
AVR Z-Link Zigbee Experience
tino1003870 wrote:mhardy: If you are searching for a bit of math in terms of range, the appnote "1MA85" of Rohde&Schwarz may help. This is of course only math, so for the...
Saturday, 3 November 2007 - 00:45
Editing serial numbers to hex files
mtmac04 wrote:For providing a serial number to a device powered by an ATMega 644P I need a software that modifies the last 6 bytes in the EEPROM.hex file and then programms the...
Wednesday, 31 October 2007 - 10:59
Is it possible to fry a single pin?
grvrules wrote:Hi Re: Is it possible to fry a single pin? cheers Yes indeed! Hasn't happened to me in a long time, but I try to design my systems so that an inadvertent slip of a...
Tuesday, 10 July 2007 - 08:27
Help choosing a MAX232 Chip
wingdood wrote:Hi, I'm trying to get my STK500 board interfacing with a microsoft serial mouse at the R232 SPARE port. I realize that the mouse outputs a TTL signal and that I...
Tuesday, 5 June 2007 - 07:57
Does capacitor size matter?
jdowns wrote:Quote:A surface mount electrolytic will show up near a regulator somewhere too. See... why is that? It's that very thing that has me a little confused. If you can...
Tuesday, 5 June 2007 - 07:30
Anyone have luck reading RTD's?
TMBartman wrote:Hello Freaks. Planning out my next project and it requires reading an RTD (resistive temperature device). Since I have a Mega64 on the board, I thought maybe I...
Saturday, 12 May 2007 - 09:32
what do I use to generate a variable high voltage?
theycallmexv wrote:Hey guys I need to generate voltages from -.1 to -99.1VDC with 10 bit resolution and from 10 to 250VDC with 4 bit resolution. Are there any ICs that do this...
Wednesday, 25 April 2007 - 00:40
Measure high voltage!!
microcarl wrote:Rather then repeat a lot of the same mombo-jumbo, I refer you to this pertent thread over the past few days. https://www.avrfreaks.net/index.p... I'll make one...
Thursday, 29 March 2007 - 09:28
Will a .125A inline fuse protect reverse voltage to mega48
metron9 wrote:e: Will a .125A inline fuse protect reverse voltage to megaR Solder a through hole 1N4001 across the power supply. Connect the bar (cathode) to VCC and the other...
Friday, 2 March 2007 - 07:15

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