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"INEXPENSIVE PIEZO WAFER" -- what is it?
I came across this vibration/turbulence detection circuit that uses an "inexpensive piezoelectric wafer". http://www.discovercircuits.com/... We've used the MSI motion/vibration...
Thursday, 9 July 2009 - 19:43
Reliable source for Sandisk SD cards in moderate quantity
Our controller app using standard-sized SD cards for logging is in pre-production. Our volumes are modest; we'll build 25-50-100 controllers at a crack. DigiKey listed and...
Monday, 15 June 2009 - 21:01
Design contest from Atmel+Arrow
Link received via Atmel Product eNews: http://www.arrownac.com/manufact... A couple of things bother me about the contest: "Software files" and complete design are supposed to be...
Tuesday, 9 June 2009 - 20:56
Revamped Atmel Web Site--"Distributor Check" gone
www.atmel.com has been redone, probably "to serve you better". On the home page there used to be a "North American Distributor Stock Check" that I've been using to track the...
Tuesday, 2 June 2009 - 13:19
General C--"Packed" string storage with no trailin
Suppose I want a "packed" series of strings in an AVR memory space. the actual app is for EEPROM but consider flash and SRAM as well. I thought there was something floating...
Wednesday, 22 April 2009 - 16:48
Graphics LCD "Module Source?
About a year or so ago, maybe less, I came across a site that had "graphics LCD modules" for the cellphone-sized LCDs. As I recall, the "modules" had an AVR board hung onto the...
Monday, 20 April 2009 - 19:21
Xmega quadrature--how many encoders?
I'm thinking of working on an XmegaA1 app for multiple encoders. The Xmega has introduced integrated quadrature decoding. My first scan a while back left me with the impression...
Wednesday, 15 April 2009 - 17:58
Cliff defied me to back up my claims...
Well, it IS related to AVR so I can post here right? CONTENT ALERT: Compiler Wars. clawson wrote: Quote: Hmmm--I can think of a couple where the answer is "I can't". I know we'...
Thursday, 9 April 2009 - 18:01
Mega48 failing to wake from power-down; bad sleep sequence?
I've got a production Mega48 app that goes to power-down sleep and runs from a battery when main power goes away. There are several thousand of these units deployed in daily use...
Thursday, 26 March 2009 - 16:37
Two timers, three frequencies--ideas?
A new app board was put together with Mega48 at 3.6864MHz, and three sensor excitation outputs on OC2A, OC2B, and OC1B pins. The previous generation, and the "spec" for this one,...
Tuesday, 17 February 2009 - 22:03
General C--Preprocessor and token pasting
This is general C, but the end >>is<< for an AVR. ;) In over 20 years of C programming I've never played with the preprocessor like this; see if y'all can teach an old dog...
Wednesday, 21 January 2009 - 19:37
AVR dev board with MMC/SD and Ethernet (ENC2860)
Between here and General Electronics, but AVR >>is<< in the title. For a one-off, does anyone know of a ready-made dev board with AVR, SD card slot, and Ethernet (ENC2860 or...
Tuesday, 13 January 2009 - 20:54

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