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Serial port weirdness
I'm doing my first project with the Xmega128AU and just got to the serial port part. It is driving me into an early grave Has anybody, I implore, Seen anything like this before?...
Wednesday, 13 January 2016 - 11:36
Undocumented features in ATtiny10
Lately I've been developing a Qtouch button using ATtiny10, and playing with the various configurations. As you may know, Atmel provides a utility in the Qtouch library that spits...
Saturday, 4 April 2015 - 23:58
Chinese parts help
I'm looking for a data sheet and source for a Texas Instruments RFID chip, part number TRF7962, but TI say they've never heard of it. I know they make it, I have one in front of...
Thursday, 24 February 2011 - 19:29
SD card - "invalid command" responses
I have a product that uses SD cards in SPI mode. It's been trouble-free up until now, but I found an SD card that doesn't work. This is a cheapo 2G card, not HD, brand name "...
Friday, 7 January 2011 - 20:16
Unknown "dot" instructions
I was looking over the listing for an assembler file this morning and noticed something strange. At the end of the file the assembler totals up the instructions used, and I saw at...
Thursday, 30 December 2010 - 18:30
AT90USB1287 - pieces of eight
I'm having a really strange problem with the 90USB1287. I'm messing around with the 90USBKey and Dean's LUFA package. I've built a CDC application that puts data in and out of...
Thursday, 16 April 2009 - 07:32
USB to SPI
Does anyone have any experience using USB to SPI? I know USB to serial is commonplace but I have an application that needs a high speed SPI master, and going to serial and then to...
Thursday, 19 March 2009 - 06:55
Problem with Mega640 and ICE 2
I have a strange problem trying to use the JTAG ICE 2 with a Mega640. Both are new to me, so perhaps I'm doing something stupid here. The ICE will program the chip on the JTAG...
Monday, 23 July 2007 - 01:09
ADC problems on Mega168
I'm having a strange problem with the ADC on a Mega168. I'm using it in a fairly high power voltage converter for one of my high voltage projects. I've made dozens of these...
Wednesday, 20 December 2006 - 07:11
Schroedinger's Carry
I encountered something strange last week. If it's a real problem it's probably been fixed by Atmel, but I figured I'd go ahead and post it anyway because it's one of the more...
Monday, 6 November 2006 - 18:42
What can you do with a Tiny 13?
How about a serial ASCII video terminal? Check out this article from Circuit Cellar (not online yet). The TV display (top pic) was generated by the minimalist single-chip circuit...
Wednesday, 27 September 2006 - 21:12
[TUT] [HARD] [SOFT] How to build a Nixie Clock
Build a Nixie Clock – 1 – Introduction In this tutorial I’m going to show you step by step how to build a clock with a nixie tube display, based on the ATmega48. All the functions...
Sunday, 4 June 2006 - 00:46

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