| Discussion Title | Created date |
|---|---|
|
How to use a watchdog in a multi-interrupt setting I want to make my software safer by using a watchdog (a short interruption for restart is no problem). In total it is a sort of digital software receiver running functions in real... |
Monday, 3 March 2014 - 15:50 |
|
See my RFID Webinar I did a webinar about RFIDs. You can watch me live in action here: http://www.youtube.com/watch?v=n... Many of the circuits shown are based on AVRs. Enjoy and forgive me for the... |
Thursday, 6 June 2013 - 19:38 |
|
Xmega128A1 PLL range (solved) In one of the datasheets its said that the PLL can generate up to 128MHz to supply hi resolution functions. If I lock the PLL to an external clock, I can pull it to 128MHZ it... |
Sunday, 7 April 2013 - 08:55 |
|
Perfectly coupled inductors in (LT-)spice I want to simulate a transformer using coupled inducors in Spice (LTspice). I found some unexpected behaviour at very high frequencies. My observation can be boild down to the... |
Monday, 3 September 2012 - 08:03 |
|
Webinar AVR/SDR see and hear me For those interested in Software Defined Radio (SDR) using AVR processors have a look into my first ever webinar (That was an experience....). I give an overview over a six part... |
Wednesday, 18 April 2012 - 18:54 |
|
AY 3 3550 datasheet I am repairing an instrument that uses an AY 3 3550 as converter/display controller. I could not find a datasheet in the net. Perhaps someone of you has can make a scan from a... |
Thursday, 1 December 2011 - 16:35 |
|
avionics instrument, motor I have the instrument shown in the photo and I want to play with it. There are resolvers in it. They are not the problem. But there are motors inside of a type I dont know. The... |
Thursday, 18 August 2011 - 13:57 |
|
I killed my STK600 I supplied my STK with an ext. Voltage via Vtarget while the STK was off. (Ok, the manual says you should'nt do, but I read it afterwards.) Any ideas for repair ? |
Tuesday, 19 July 2011 - 09:37 |
|
TL494 halfbridge with MOSFETs I have a NSP-3630 power supply that has let out it's magic smoke. http://www.manson.com.hk/file/pr... The mains-fuse was blown, it smelled a little strange (probably due to some... |
Monday, 4 April 2011 - 08:49 |
|
GPIO pin puzzle Often in microcontroller-Systems jumpers are used to select options. Now assume the following setup: You can use two GPIO pins of an AVR. These pins have no additional... |
Tuesday, 8 February 2011 - 18:53 |
|
PC power soft turnon If some of the computers in my home are switched on with the power-switch sometimes the fuse (10A,230V) trips, probably due to inrush current. I plan to built a soft turnon switch... |
Monday, 3 January 2011 - 16:27 |
|
Who has DESfire RFID experience I am building an RFID reader using the PN512 from NXP. I can successfully read from Mifare cards. I can read some data also from DESfire cards, but have problems with some... |
Sunday, 26 December 2010 - 13:01 |