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tmds to lvds
https://en.wikipedia.org/wiki/TMDS
At the moment I'm unaware if TMDS is required to use LVDS compatable voltages, so far I dont think it is.
program pic for photodiode input
Interesting, how accurate do the IR/RED wavelengths need to be in order to make oxygen sensing work? I understand for optical blood glucose sensing the LEDs need to be very specific.
You arnt telling us enough. What sort of frequency, over what range? Are you tuning to change bands, or just to lock the signal in phase with another?
I'm not familiar with what I assume you mean to be infiniband, and I shouldnt have to look it up to provide an answer, provide more...
Theres a simpler way. You need a very small resistor, eg a length of cable that can take the current, but has a high enough resistance to produce a voltage you wont have to amplify much to use a voltmeter with.
Depending on what you have you could also make a shunt for an existing current...
lm1881 frame grabber
Try looking at,
http://www.techmind.org/vd/mk1/vdescrpt.html
15 USD is not a lot though.
There was a cunning method of waveform digitising I saw aplied to JTAG. Used little more than a comparator and a ramp waveform. Only worked for repeating waveforms and you got 1...
Use the IBM tools to determine the state the drive is in. Its more likley the mechanical parts have failed than the electronics.
Depending on how valuable the data is you could try buying the same model drive, and transplanting the controller board.
The board is a small embedded computer, its...
adc missing codes
This is simply something you have to deal with, and very often for 12bit ADCs or more. Frequently a datsheet will say 'no missing codes to 10bits' or something similar. ADCs arnt perfect, you dont get absolute equality of channel widths (unless you use a wilkinson convertor...
fft of diff signal
Just thought Id add, that if you want a space to frequency alg thats easier to use, takes less computer time but only deals with real data (no i componants) then try looking up the Hartley transform.
I imagine one method would be to do something useless with spare gates in a design. Like tap out the authors name in morse code, or '(C) A-maze-ing FPGA desgins Ltd' in ASCII and have it output on a pin that isnt external to the package you are using.
What level of reverse engineering are you...
Temperature IC wont actually tell you if the fan is working. Fans dont cool things, they just stir the air, they usually cool people becuase they aid evaporation. If you want to know the fan is on you either need to tell if its spinning, or if theres a strong air flow. Magnetic sensors will...
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