31ST JULYMore on the U7 voltage regulatorThe XL_STAR schematic dated Monday 21st February 2011 does not contain any details of U7 (the IC that can get really hot).From the picture in the XL_STAR Users Manual on page 9, U7 and C28 have replaced U2 and...
We're definitely heading towards technology of Star Wars and Star Trek. Intel/Altera have tiny power supply modules that are so simple that anyone could use them.Their EM2120H01QI for a lazy 1.3V - 5V @20A continuous power supply at 90-95%...
31ST JULYCrawling aboutWith the preliminary shakedown tests out of the way it was now time to delve into the detail.I spent bits of today learning about the ins and outs of the CodeWarrior IDE, its C compiler and freescale MC9S08MM128.I learned a few...
29TH JULYMy First ProgramUsing my process of having to "Learn to crawl before you Walk before you Run", I wrote the proverbial "Hello World" program for embedded processors that does nothing more than turn LEDs on and off. The procedure followe...
29TH JULYThe Big BangAll armed and ready to go I accidentally blew my XL_STAR up.I had a lapse of concentration when reconnecting my XL_STAR and connected the USB cable to the wrong USB connector.There are two USB connectors - the right one and the w...
26TH JULYFreescale CodeWarrior IDEPutting the battery subject aside, It was time to check the CodeWarrior Installation. I plugged in the XL_STAR to my PC.The USB device drivers installed without a hitch. I then ran up the FreeScale CodeWarr...
26TH JULYBatteryWith the battery holder soldered in it was time to find a suitable battery.I could not find any specific reference to a particular type of battery in the manual so I needed to consult the schematic diagram and the battery holder data ...
26TH JULYThe XL_STAR kit arrived last night.As a bonus, all of the crosshair LEDS are installed and also got a coin battery holder.Thanks very much element14! The coin battery holder is not installed so I'll have to install it.This is a good...
25th JulyWhilst waiting for the board, I commenced work by laying out the Static Memory LCD adapter board.This board fans out the 0.5mm spaced pins to a more human friendly 100mil (0.100 inch) connector.
This is a reprint of my original experiences with the XL_STAR RoadTest.The original posts were lost with a site upgrade but thank goodness I kept a backup copy. Enjoy! XL_STAR board Project Blog (19/07/2011) Waiting with anticipation ...
Computer Security is important.Make sure you employ the appropriate measures.Shutting down your Computer is a sure fire way to limit its exposure to online threats.
