Post Created date
How to increase sampling rate when uC has to deal with ...
When you write to the LCD are you doing it in the timer interrupt and just running a delay routine in there? If so, that's probably what's taking up a ton of your time. If you can...
Friday, 29 February 2008 - 07:09
Clamp on type connector for ISP programming
The mini-usb connector isn't that much smaller than a 6-pin header, if you're not worried about vertical space. If you are, then it's a nice option. I have a bunch I ordered as...
Thursday, 28 February 2008 - 17:11
Clamp on type connector for ISP programming
What do you mean by "don't have room for the connector". In any case, you're gonna have to somehow have 6 pads exposed. If you're worried about height off the board, then I...
Thursday, 28 February 2008 - 07:21
Chess clock pcb
Glad to see it's working, Zohar. Well done =)
Sunday, 24 February 2008 - 17:04
You're using an LCD demo code from someone else, which means that it worked for them at some point. Isn't it a safer assumption that there's a hardware issue not a software one?...
Sunday, 24 February 2008 - 17:01
using nokia phone battery
I imagine the OP has a cell phone battery kicking around and wanted to use that for one of his projects. There's no reason you can't use it and it's probably just a lithium ion or...
Friday, 22 February 2008 - 02:18
minimum programmer using Serial/USB
I've made a stripped down version of the AVRUSB500 from and it works like a charm and fast. I used a different FTDI USB->RS232 chip so more of the components are...
Thursday, 21 February 2008 - 17:35
using nokia phone battery
Are you trying to charge as well as run off of the battery? If so, you'll need a standard lithium ion charging circuit. Google lithium ion charging circuit and you should find...
Tuesday, 19 February 2008 - 07:29
CRC-7 for MMC Flash
Here's a batch file (requires perl) that'll calculate it. Went between command line passing and static defining so currently thing you pass the packet on the command line and...
Monday, 18 February 2008 - 18:16
DC motor selection
Are you driving the motor with higher voltage than the AVR is running at (ie. motor on 12V, AVR on 5V)? If so, you should look at logic-level FETs, which should switch full-on...
Saturday, 9 February 2008 - 19:20
ATMEL Samples
valusoft wrote:No offence meant...but maybe they saw your avatar and were afraid to knock on your door :lol: Aww, c'mon... Cute little kitty doesn't bite... much... =)
Saturday, 9 February 2008 - 19:15
ATMEL Samples
I requested several samples of a few mega's and got them a few weeks later with no further contact from anyone.
Saturday, 9 February 2008 - 02:20