Post Created date
Frequency Generator / divider using Timer
Great, Thanks for your example code!
Friday, 29 January 2010 - 08:36
Writing to flash memory for AT45DB161D?
here is my C driver for Atmel dataflash. It works fine in ATmega88/168: #include #include "dataflash.h" void write_SPI(unsigned char data) { SPDR = data; while...
Tuesday, 15 July 2008 - 21:06
Kalman filter
I corrected covariance parameters then offset disappeared.
Saturday, 19 April 2008 - 18:24
pcb routing problem
The most important issue when designing layout is meticulous compnent placemet. Normally autorouters do poor or very poor work. So route your board manually like all professionals...
Friday, 18 April 2008 - 19:46
Kalman filter
Now its working almost correctly: function [poshat] = kalman(time,r, v, p) % time = time vector % r = radius vector input % v = upper limit for process (velocity) noise [m/...
Tuesday, 15 April 2008 - 15:50
Kalman filter
Pls. report what I do wrong!? :)
Monday, 14 April 2008 - 18:10
Kalman filter
I try to estimate place using velocity. how do I calculate measurement and process covariances? The system model (A matrix) is a time invariant so covariance(s) must be time...
Monday, 14 April 2008 - 18:07
Gigabit Ethernet
Marvel has marvellous 10/100/1000 PHY transceivers e.g. 88E1111. That Supports GMII/RGMII/SGMII/TBI/RTBI interfaces. Unfortunately datasheets are under NDA stuff. It is little...
Thursday, 14 February 2008 - 09:00
Powering an AVR with Li-Ion battery
If you want charge and monitor li-ion. you should measure how much power you put in your battery and how much you take it. I use Nokia 3310 li-ion battery and max1555 charger IC....
Thursday, 31 January 2008 - 20:43
Kalman filter
How about using Kalman filter in tracking application. I planning to do sensor network system which listens RSSI (Received Signal Strength Indication) information. In the...
Wednesday, 30 January 2008 - 22:36
ATMEGA168 programming software
Quote:Yes, it should be possible to patch AVRDude 4.3's avrdude.conf file to work with an ATmega168. patch works fine! thanks lfmorrison
Thursday, 29 June 2006 - 15:50
Hub on a chip
Digi Connect ME is good and quite cheap. It works NETcom-mode without programming.
Friday, 16 June 2006 - 14:36