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Automated CD rack
In adition to being a real computer geek and AVR freak, I also have a love for mechanics and simple robots. While sorting through the piles of CDR's and DVDR's i have floating...
Wednesday, 25 January 2006 - 23:33
Fixed point - Again!
I've done some pen-and-paper doodling whit fixed paoint math... You know.. where the bits to the right of the radix point isn't in the decade system, but are fractions of 1: 3....
Wednesday, 9 November 2005 - 13:26
Pointers for decimal math in assembly
I'm squeezing my brain over this project I'm doing, and I have already pushed the use of decimal numbers ahead of me for quite some time. Now, I think It's about time I got around...
Monday, 31 October 2005 - 00:09
Uh... Heh.. Mega8 and STK500..??
I'm trying to get my mega8 chips working in the STK500 thingie, but I have no luck. I put it in the green socket, and also hook the ISP cable to the green plug. From reading the...
Thursday, 8 September 2005 - 17:36
Talking to 2.7-3.6V devices
I need to drop in a little more FLASH memory into my design, as the 512 bytes in the Mega8l doesn't quite cut it. I've been looking at some neat and small SPI flash modules, but...
Monday, 5 September 2005 - 14:34
Too long values
I'm working on a piece of assembly code for some measuring purposes, and I find that the values I'm working whit is a bit too long (40-64 bits) and that's way too much precicion,...
Wednesday, 31 August 2005 - 20:22
CNC router
I've been fooling around whit stepper motors and some Sanyo SDK6713 stepper drivers. Yesterday, I finally pieced togheter the last bits of hardware for a "CNC router". It's not...
Tuesday, 28 June 2005 - 15:57
Step motor acceleration/braking
I've been working whit steppers at several instances, and have found that to get a decent speed whitout overheating the motor or chopper/driver, I need to accelerate and soft-...
Thursday, 16 June 2005 - 21:47
Multiplying >8 bit numbers
What instructions should I use to multiply 16, 32 and 64 bit numbers?
Sunday, 29 August 2004 - 18:48
Advanced math...
heh.. I need to do some serious math calculations in my AVR. The two most important ones are COS and SIN. Anyone got some ideas on how to do this in Assembly?
Saturday, 28 August 2004 - 08:16
Square root
Is there a quick and easy way to calculate square root in assembly?
Saturday, 21 August 2004 - 12:28
USB storage device (again)
I'm looking for a way to connect a USB memory device to my AVR, so the AVR (or support chip) must act as the USB host. Anyone got a clue on how to do this, or where to look for...
Thursday, 19 August 2004 - 20:49