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Is a voltage regulator required?
Could you use a http://en.wikipedia.org/wiki/Jou... in your design? It's ridiculously simple, but it will not cut manufacturing costs. It will save a lot of batteries though.
Monday, 30 April 2012 - 11:04
DC-DC 12V-1kV
Thanks! Sorry for not replying in time, I was away from the computers and soldering irons and close to grills and wineries. The cyrillic letters I really would want to display,...
Saturday, 28 April 2012 - 14:17
PS2 Keybaord Help
You can try starting here. It's a mouse adapter, but the protocol is the same. There are also external links to documentation. http://sensi.org/~svo/%5Bm%5Douse/
Tuesday, 17 April 2012 - 00:07
DC-DC 12V-1kV
Just an update: And here playing with shapes and transforms: http://www.youtube.com/watch?v=_... The focus has become much better after I gave it back +12VDC, thus increasing A2...
Monday, 16 April 2012 - 15:58
Newbie questions from Microchip refugee
¡Welcome to the forum, Quadrangle! MBedder wrote:Did you know that PICkit2 can program AVRs? You may use it as a programmer as well as an UART-USB tool (the latter works under...
Sunday, 15 April 2012 - 21:28
...I Swallowed a camel today
After you are tired of it, try vim.
Saturday, 14 April 2012 - 23:41
Power Pins and Supply Pins on CAD software
valusoft wrote:OP, are you using the "wire" tool or the "Net" tool to connect your pins? The net tool is the correct one. As long as you don't play with the thick blue busses...
Friday, 13 April 2012 - 19:25
Lots of questions on the CS4334 stereo DAC
AVR SPI has maximum frequency of F_CPU/2. You will need an AVR clocked at 22.5792MHz to achieve desired throughput. Shouldn't be a problem for ATmega328p, provided that you haven'...
Friday, 13 April 2012 - 19:18
P+N mosfet, problems,
Add a pull-up to P-gate and a pull-down to N-gate, drive them separately with OC1A/OC1B. Use the timer in up/down counting PWM modes so you can define some deadzone when both FETs...
Friday, 13 April 2012 - 19:10
Power Pins and Supply Pins on CAD software
It seems that your libraries are messed up, which is perfectly normal for Eagle, unfortunately. Every pin can be supply, passive, input, output, i/o and probably something else....
Thursday, 12 April 2012 - 23:48
Power Pins and Supply Pins on CAD software
What does the net classes table say about your supply lines? Usually if you use parts from the supply library, the supply nets get the corresponding class automatically assigned...
Thursday, 12 April 2012 - 17:41
I'm new, but I'm desperate.
NB: using an incomplete avrdude command is a way to reset your connected board from the command line. It's a very convenient thing to do.
Thursday, 12 April 2012 - 17:30

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