Welcome to the dark side. :) On Feb 24, 2013 6:05 PM, "RussellMc" wrote: > Anything named an (aurally) What do I know ? has to be worth a reference. > > http://m0xpd.blogspot.co.uk/2013/02/what-do-i-know.html > > WOTDUINO Arduino low low cost close. > 45 degree processor mounting angle seems intended to enforce the > question and/or produce rage from some. > > _______________________ > > Response to a query: > > Thanks, Rupert. > I'm not ready to publish the Eagle files yet - but send me an email > address and I'll drop you a copy... > "shack dot nasties at gee male dot com" > m0xpd > _______________________ > > His text: > > > As a long-term PIC advocate, I've been generally disinterested in > matters Atmel and particularly put off by the statement that Arduino > is intended for a bunch of wierdos (sorry - that should read "is > intended for artists, designers, hobbyists, and anyone interested in > creating interactive objects or environments"). However, things have > changed... > > I guess it started when I looked at Ron, NR8O's use of an Arduino to > drive the eBay AD9850 DDS module. The Arduino looked pretty neat in > that application - and you program it in a real programming language! > Then I read Limor Fried's comparison between Microchip and AVR > microcontrollers. Interesting. Given the enjoyment I'd had with my new > Raspberry Pi (Blogs Passim), I though perhaps it was time for me to > join hands with all those liberals who have sewn Arduinos into their > gaily coloured clothing. > > Of course, that wasn't going to see me exchange my shekels with an > authorised Arduino shop - particularly as I'd noticed that you can buy > a kit of components for an Arduino clone for pennies on eBay. I got me > a kit and started to think about how I could put it together on > something more permanent than a solder-less breadboard. > > Credit where credit's due - Arduino does publish a homebrew design for > cheapskates like me on the Arduino pages but that didn't float my > boat. So, after some searching around, I found Johan von Konow's > design for a DIY Arduino - the Nanino. > > Johan publishes a copper pattern for the Nanino, but I wanted to have > the flexibility to change things - so I brewed up my own design in > Eagle. > > Here's my (current) copper pattern (seen from the component side)... > > > and here's the first board... > > > You can see the Nanino's influence in positioning the chip at a jaunty > 45 degree angle! > > I used Limor's (/LadyAda's) excellent Arduino resources within her > extensive Eagle Library to simplify the design of the board, with its > standardized profile and connector positions. > > The board is programmed via a USB to serial adapter which implements a > Virtual COM Port. You need to connect to the DTR ("Data Terminal > Ready") pin on the adapter to access the "auto reset" functionality in > uploading "sketches" to the board - otherwise you're into all sorts of > nonsense about manually pressing the reset button. Don't be fooled by > the RTS pin - this means "Ready to Send" in the language of UARTs and > isn't a misprinted abbreviation of Reset. > > You can see the adapter (and the connection to the DTR pin) here... > > > If you are wise enough buy your Arduino kit from 4Tronix, the USB > adapter arrives already modified so as to bring the DTR line to the > header plug that connects directly to my board's serial programming > port, saving you from the messy hook-up in the photo above. Beauty! > > I call my new board WOTDUINO (pronounced "What do I know"), making it > particularly suitable for people with little confidence and low > self-esteem. It is also possible to build a similar version > (pronounced "What do WE know"), which is suitable for groups of people > who don't think they measure up HI HI. > > Now let's see what it can do. > > ...-.- de m0xpd > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .