Post Created date
AVRISP error
Have you changed the settings for the programmer? i.e. programmer type, com port etc.
Monday, 19 September 2005 - 03:51
I need a pseudo random number generator for the ATTiny 13
Quote:within 6 iterations I got back to my original number Isn't a random number...random? Or do you want predictable random numbers? If you have some form of user input then you...
Friday, 16 September 2005 - 22:22
OT: RS-232 bus arbitration+discovery
Have dropdown menus on the PC program that converts a real name to a serial or node number. RS45 and MPCM would be more apropriate for your task but if it's all done it's now a...
Thursday, 15 September 2005 - 22:00
beginner question regarding at90s2313
Use about 22 or 27 pF. I use 15pF for both 8 and 16MHZ Xtals simply because I have lots of them and I have not had any problems
Wednesday, 14 September 2005 - 22:38
24 volt inputs, how to?
Quote:because a lot of our board faliures are from optoisolators Without them or without REALLY GOOD noise/spikes suppresion you will graduate to micro failures very quickly in...
Tuesday, 13 September 2005 - 03:17
24 volt inputs, how to?
Obviously Klaus has had some bad experiences of inputs that do not use voltage dividers :-) I would recomend a voltage divider too even if the boss does not like it. Think of...
Monday, 12 September 2005 - 21:11
[OT} somewhat: what is the max current thru a via on pcb
Of course one can always fill the via with solder....:-) which happens by default with wave soldering.
Saturday, 10 September 2005 - 23:04
Getting started ?'s
Quote:MC68HC11. I've used it for years and I can't tell you how happy I was to move to the AVR. Especially due to the fact that Motorola has dropped the family? i.e. not a real...
Friday, 9 September 2005 - 21:24
Problems counting bits
If you run it in the simulator one step at the time you may see when things go bad. Start with say 20,000 and after your first loop BCD4 should be 0x32. Also you may want to...
Thursday, 8 September 2005 - 20:09
AVRStudio4 - ATMega128 Lock bit default setting problem
Just uncheck that bit and erase the chip! It will all clear up.
Tuesday, 6 September 2005 - 22:36
AVRStudio4 - ATMega128 Lock bit default setting problem
Simply erasing the chip will clear the lock bits. What Studio does is that it reads the lock bits as soon as it starts, you will then need to set them the way you want them, so if...
Tuesday, 6 September 2005 - 21:05
Advice asked on crystal for RTC
Quote: How do you judge the use of an external RTC (like the Dallas chips) There is another tread with Dallas RTC. It uses the Dallas DS32KHz precision oscillator. It it supposed...
Tuesday, 6 September 2005 - 09:33