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LUFA Based HID bootloader
I needed a bootloader for my new USB based hardware. Sadly I could not find something that worked without drivers or annoying .inf files. I needed a HID based bootloader. So I...
Thu. Oct 14, 2010 - 04:49 PM
Breakdown and standoff voltage for TVS diodes in 3.3v system
I'm running a atmega644 at 3.3v and have 2 io lines available to the end-user, usable as digital in or out or as analog input. I will need to protect these lines from ESD events....
Mon. Jun 21, 2010 - 07:40 PM
Low ESR 10uF cap, MLCC or polarized type?
Can MLCC's be used for the enc80j60 voltage regulator cap 10uF ? Some details: I need a low ESR cap for the enc28j60 ethernet chip's 2.5 internal voltage regulator. http://ww1....
Fri. Jun 11, 2010 - 09:31 PM
Using X2Y caps
I'm attempting to design a PCB with a low enough EMI profile that it will pass FCC part 15 class B in a plastic case. To this end I've been advised to use X2Y caps (amongst other...
Thu. Jun 3, 2010 - 11:57 PM
atmega328p SPI simultaneous rs232 possible?
I'm trying to confirm my suspicion here. Am I correct in assuming that on the Atmega328p the SPI uses the uart0 to function and thus I cannot use the rx0/tx0 as rs232 outputs (...
Thu. May 27, 2010 - 03:32 PM
Which brand max3232
I'm working on my first hardware project and have a breadboard prototype working. The design uses the Wiznet WIZ200WEB, so most of the hard work has been done. All we need to...
Wed. May 19, 2010 - 11:59 PM
WIZ200 'slow/stalled data receive'
Guys, I'm having some issues getting the wiz200 (w5300) to work properly when it is receiving a large packet of data (1k or so). The manual mentions that there might be a problem...
Sat. May 8, 2010 - 02:23 AM