Post Created date
PCB Review ( was Schematic Review ): +pics +video
If you're too cheap for ross' polarity protection, you can also do it like this: It will save you a lot of fuses. ps. thin PCB traces are fuses too :)
Sunday, 1 August 2010 - 14:32
Schematic- and PCB design programs
steve17 wrote:lagger wrote: The component library is split into 4 parts, schematic symbols, pcb symbols, part numbers. That reminds me of my favorite joke.Quote:There are 3 types...
Sunday, 1 August 2010 - 14:14
Schematic- and PCB design programs
CADint PCB URL: OS: Windows, but works in Wine Version reviewed: Price: 5000 SEK to 40000 SEK, depending on the number of layers (2,4,6,10,unlimited). 5000...
Saturday, 31 July 2010 - 22:14
How to combine 7 segment displays?
If you can throw hardware at the problem, you can reduce the pins needed to 4 by using a 74HC595 per digit you wish to display. That way you have 4 pins free for something else,...
Friday, 30 July 2010 - 22:33
UART receive problem
Show us your code where you use a receive interrupt instead.
Thursday, 29 July 2010 - 16:53
LED Matrix With 74HC595
Yep, it's a very ok way to do it. You could probably use resistor values from 4.7k to 50k. Higher value resistors make the LED cathode potential rise slower, which in turn makes...
Wednesday, 28 July 2010 - 16:32
Production level programmer
Programming and verifying 2k flash should take max 4 seconds. If done as a part of functional testing, in-circuit programming is practically free. If there's no room for an isp...
Monday, 26 July 2010 - 23:00
PDI adaptor for XMEGA from JTAGICE MKII
There are two service packs for 4.18, it might have been added in one of those.
Monday, 26 July 2010 - 11:02
PDI adaptor for XMEGA from JTAGICE MKII
Saturday, 24 July 2010 - 17:53
There definitely is. A good old serial in, parallel out shift register works too, if all your LEDs need the same brightness.
Wednesday, 21 July 2010 - 23:01
How to interface 2 serial devices with AVR?
the mega164 family, it has jtag and two usarts.
Wednesday, 21 July 2010 - 22:53
How to interface 2 serial devices with AVR?
You can get a GPS with spi and/or i2c interface :)
Wednesday, 21 July 2010 - 18:50