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A new method for measuring lots of resistors using a minimal amount of cables
Hi guys, long time no see :-D   So, after a long while I have finally finished one of my projects - a new method for measuring lots of resistors ( N*(N-1)/2 ) using only N...
Wednesday, 23 August 2017 - 18:20
Atmel Studio 6 and 6.1 freezes after a few seconds, Win8 x64
Hi guys, After I run Atmel Studio (both 6 or the newest 6.1) the program starts, the screen looks OK. Then, after a few seconds the program freezes. After that I get a Windows...
Saturday, 27 April 2013 - 17:51
Is there any reason not to flood vias on PCBs?
Hi guys, In some of the boards I check out the vias are flooded - completely connected to the surrounding copper pour. But on others, the vias are connected through a thermal...
Thursday, 24 January 2013 - 15:46
Best and most off-the-shelf way to drive a MOSFET from 3.3V
Hi guys, I'm trying to drive a MOSFET by an AVR running at 3.3V for a upward DC DC converter. What would you recommend as the best solution for driving it? It should be as...
Tuesday, 1 January 2013 - 12:49
What's this called and where do I get one?
Hi guys, While dissasebmling a piece of equipment I came across an interesting part, something that I'd like to use in my own constructions. But I can't name it properly in...
Tuesday, 11 December 2012 - 08:34
Fan control, PWM control of a DC DC converter?
Hi guys, I need to control the speed of a fan, do it efficiently and not lose the tacho signal from it. Since the tacho signal is an open collector signal, I can't just PWM a...
Saturday, 8 September 2012 - 22:58
Obscure camera interface
Hi guys, I've gotten an old camera (Pulnix VS-79), and it's got a CANNON 9 connector as the only interface going into it. I can't find the pinout anywhere, nor any data for it....
Monday, 27 August 2012 - 09:28
Custom LED displays
Hi guys, I'm looking for someone who can manufacture fully custom LED displays - like a seven segment display, only bigger - a single part with custom divisions and LED...
Tuesday, 3 April 2012 - 13:11
Best solution for 5km reliable multidevice network
Hi guys, What kind of product/device/network would you think best for a network with multiple sensors (10 devices total, very low data rate), with a maximum distance between each...
Monday, 21 November 2011 - 10:50
How much protection in board-board power is appropriate?
Hello, How much protection (fuses, overvoltage, reverse polarity protection and such) would be appropriate in the following setup on the Board component: Power supply -> Cable...
Monday, 31 October 2011 - 12:43
Using a bearing as a conductor
Hi, I'm faced with a problem of powering a device on the non stationary side of a rotating joint. I know the traditional solution is brushes, but would it be possible to use a...
Friday, 14 October 2011 - 23:03
Reasonably priced E-ink display with controller
Hello, I'm looking for something to replace our current LCD display modules (simple graphic displays) with an e-ink one (to save on power, since they don't change often). Ideally...
Thursday, 29 September 2011 - 18:33

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