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analog input protection issues
Hi guys: I'm in the design of a general purpose, battery operated data acquisition board, which connects to some sensors thru cables, and some sensors are buried in the ground....
Thursday, 4 September 2008 - 22:45
[OT]Recommended opamp
Hi all: I'm looking for a OPamp suited for 3.3V or 5V and Rail to Rail if possible. What opamp do you recommend me? is for a buffer or in the worst case a 3X amplifier. It should...
Tuesday, 12 August 2008 - 21:54
Serial port, handshake and extra chars
Hi guys: Back reading the forum. But I have a little question. I'm working in a project with AVR+ GPRS modem. with hardware handshake (RTS-CTS). My problem arises when I deassert...
Thursday, 11 October 2007 - 01:45
serial port "bridge" software
Hi all: I´m looking for a soft that can route the incoming bytes of one serial port to another serial port. Even changing the output baudrate. I´d need this because I have to...
Thursday, 11 January 2007 - 20:49
How to slowdown programming speed?
Hi all: I have a board with a tiny2313 microcontroller and I misprogramed the CKSEL fuses, connecting the 128KHz oscillator as the main oscillator (with ponyprog and stk200 dongle...
Monday, 30 October 2006 - 14:36
NImH battery pack, can you share your experience?
Hi Guys: I´m working in a portable equipment. It is powered on 3X 1.2V NiMH battery pack. The batteries I´m using are Sanyo HR3U-2300 (2300 mAH - 2100mAH typ.) conected in series...
Tuesday, 4 October 2005 - 13:53
port listening and debug soft, ayone knows?
Hi guys: Does anybody knows about some good software to listen TCP-UDP ports and to generate some traffic to it? I'm developing a GPRS app and need to have a reliable program to...
Monday, 4 July 2005 - 13:07
ICCAVR which flags to use? (I've read the manual...)
Hi guys: I need to know which flags to use to compile a ENTIRE PROJECT to a SINGLE object file. I've read the manual , but the only option seems to be the -c flag that compiles a...
Thursday, 16 June 2005 - 15:25
mature jtagice and newer jtag parts. It´s possible?
Hi guys: I´m planning to do a design in the near future with a ATmega3250 (I'll need to find samples first) But I have an JTAGICE clone of the mature AVR JTAGICE and I don´t know...
Wednesday, 8 June 2005 - 15:27
Problem with memory mapped LCD(aarrghh...)
Hi all: I´m having trouble with a memory mapped LCD. It´s mapped to 0x8000 for RS=0 and 0x8001 for RS=1 the lcd pin R/W is tied to /WR the E pin is decoded with a 74HC138 in order...
Thursday, 2 June 2005 - 12:50
Barcode theory... where?
Hi guys: I´m looking for a comprehensive book, text, ebook, webpage, on barcode theory. I´ve been googling the net, but the many hits I got were a bit confusing in the sense that...
Friday, 4 February 2005 - 15:53
[OT] Font composing SW (thermal prn)?
Hi all: I´m designing a little (48mm wide) receipt printer and I´m looking for a software that is capable of compose a bitmapped font for it. (12X12 dots) I calculated some types...
Wednesday, 5 January 2005 - 19:57

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