I bought 3, but they may not be of use, the two crystals going into the blob indicate its a microcontroller with a rtc, they must use the eeprom to store phone...
dan williams
dan_williams@...
Jan 1, 2007 7:17 pm
2217
If Clinton is correct about the 5x5 matrix I don't think it is a hd447880 since when I look at the datasheet for the hd447880U the front page says Features · ...
I suspect I have missed a lot of the other reponces as I cant get the yahoo groups right now, and the blipverts make me quite uninterested in doing so... but,...
dan williams
dan_williams@...
Jan 1, 2007 7:46 pm
2219
Hi guys, ... Since there is only one chip it's almost certainly not an HD44780. It's much more likely to be something like an ATMega169 or the PIC equivalent....
http://www.marthel.pl/katalog/w91030.pdf oh look, a datasheet! you can bet that they 100% followed it in the devices design lets see what we can see... ...
dan williams
dan_williams@...
Jan 1, 2007 10:24 pm
2221
ok, lets try to guess isp pins... I'll presume its a mega169 (dispite it being run at 3.59Mhz, which I'll presume they did to make baud rates easy), there is...
dan williams
dan_williams@...
Jan 1, 2007 10:28 pm
2222
that was a success, it only caught fire once. ok, pins 16 and 17 THIS IS interesting, they odnt use pin 4, the data clock, ok pin 5 (the data line) goes...
dan williams
dan_williams@...
Jan 1, 2007 10:46 pm
2223
First of all: HAPPY NEW YEAR! We are having our first Dorkbot meeting at the Western Front, this Wednesday January 24th at 7:00 PM Western Front Society 303...
definitly easiest to hack it thusly: pull off the winbond chip, attach a serial line to where pin 17 is/was 1200 baud, ttl levels, 1 start bit, 8 data bits, 2...
dan williams
dan_williams@...
Jan 2, 2007 6:47 am
2225
Hello. My experience is in software but I want to learn about electronics hardware design. I'd like to interface my PC to a microcontroller to control things...
I'm the least knowledgeable in this group but if ti can be f any help, I would start here: http://wiring.org.co/ioboard/index.html http://www.arduino.cc/ You...
this question comes up alot in the irc channel I started a tutorial on it http://eds.dyndns.org:81/~ircjunk/avr/avrstarter/avrstarter.html if your interested,...
dan williams
dan_williams@...
Jan 3, 2007 2:11 am
2228
That is a great idea dan, we should touch base id be interested to do some writting ... From: dan williams To: vancouverrobotics@yahoogroups.com Sent: Tuesday,...
a fellow in the irc channel made up a schematic too, I havn't itegrated it yet dan ... -- Dan Williams, Owner http://eds.dyndns.org:81/ Electronic Device...
dan williams
dan_williams@...
Jan 3, 2007 5:17 am
2230
Hi Richard, To start learning I can suggest two products: the Parallax Board of Education, or the Arduino Board (like Alex suggests). Both are good products...
Hey Bob, I have a question about your micro sumo (a few actually): * do you use 3.8V or 7.2V model * how big is your battery (mAH wise) * how long can you run...
... at the house here I measured the voltages of the IC and ISP pins, with respect to ground. This was with the unit plugged in, but no phone cables attached...
Greetings. With the money that I got for Christmas for use on robotics, I was all set to get some nifty ICs from sparkfun or digikey. However, I was at...
Hi Clinton, ... It was my first real power tools as well. I also got a little 3-jaw chuck with mine so I could use different size drill bits. Although, I think...
Hi Clinton, I agree with Dave. I got a Dremel a year ago through a similar deal you are looking at. If you have followed my posts you might have noticed that...
The American Association for Artificial Intelligence (AAAI) is holding their annual conference in Vancouver this July 22nd through 26th. They're holding a...
Reminder from: vancouverrobotics Yahoo! Group http://groups.yahoo.com/group/vancouverrobotics/cal Vancouver Robotics Club Meeting Sunday January 14, 2007 10:00...
Yahoo! Reminder
reminders@...
Jan 8, 2007 6:00 pm
2242
... Hylands" <dhylands@...> wrote: ... if ... Wow. Thank you, Dave. I hope to be able to take you up on that! Clinton...
Dave, Markus, Thank you for your replies. I think I will hold off on getting a rotary multi-tool for now. Man, there is so much exciting stuff for me to...
Hi, here is our next event both shows at the same location in 2 different rooms on the same day should be a busy day. Big Computer Swap Meet Sat Jan 13th ...
Reminder from: vancouverrobotics Yahoo! Group http://groups.yahoo.com/group/vancouverrobotics/cal Vancouver Robotics Club Meeting Sunday January 14, 2007 10:00...