Latest threads in Electronics Designshow only best voted threads
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How to drive this huge LED matrix board?
Scored some of these today, 7Euro50 each : Front: Component side, lots of 5 V CMOS, processor, optical interfaces: Would make a nice Merry Christmas running text. Anybody from .NL used these? Looks...
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10 years ago
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Piece Wise Linear Fitting
Another dawning while doodling at the beauty shop... ... a way to join line segments easily to form PWL's, while maintaining all derivatives at the joining points. (Using my TANH version of greater...
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10 years ago
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great pics
-- John Larkin Highland Technology Inc jlarkin at highlandtechnology dot com Precision electronic instrumentation Picosecond-resolution Digital Delay and Pulse generators Custom timing and laser...
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10 years ago
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Slots cut into power supply PCB.
I was looking at an old PC power supply, and I notice in a couple of places slots have been cut into the PCB. I think it's done as part of the safe isolation between the mains and the low voltage...
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10 years ago
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Personal Webpages?
I'm impressed by people who post helpful stuff like this... ...and I'm curious how many of the regulars here have assembled something like that?
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10 years ago
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fet for automatic gain control?
fet for automatic gain control? Any suggestions for an enhancement mode mosfet to serve as a variable resistence element in an automatic gain control type circuit? Power involved is a bare whisper;...
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10 years ago
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Feeling froggy bout this 7603
OK, I figured this would be scrap but I have more time on my hands than I n eed. I just found the other horizontal board which was lost, and I think I' ll switchum, but if that doesn't prove something...
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10 years ago
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44kHz Doppler air speed meter evaluation and software realisation, INVENTIION
44kHz Doppler air speed measurement evaluation and software realization. Been a bit busy, but then yesterday I wrote some code for a PIC 18F14K22 to process the signals from the 44 kHz transmitter and...
14
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10 years ago
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OT: VGA Fiber optic extender
Has anyone experience with this kind of extender? I'm looking for this extender solution to send VGA (up to 1600x1200-60Hz) video over the fiber several hundred meters. The copper cable can't handle...
3
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10 years ago
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PCB capacitance
I have a circuit board, 4 layers, L2 being ground, 12 mils of FR4 between L1 and ground. I was wondering what is the parasitic capacitance across R13. So I found a bare board with a similar geometry....
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10 years ago
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Something wrong with this circuit.
And I found it, they got the part number incorrect for the timer! Jamie
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10 years ago
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Current leakage
I test a small alarm for current leakage with the switch in the OFF position. It showed a drain of 2 uA. Is that typical ? Thanks, Andy
6
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10 years ago
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hendershot
Does the Hendershot Generator work???
6
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10 years ago
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I2C noise into the audio signals
We have TDA7719 audio processor and OLED display connected to the same I2C bus as I2C slaves. Both the devices are driven by MCU which is I2C master. After TDA7719 is initialized with I2C for input...
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10 years ago
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cold
It's -0.1 degree F at the cabin in Truckee. First time since I put in the instrumentation that it's ever got below zero. At least I got the RTD code right. -- John Larkin Highland Technology Inc...
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10 years ago
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103 |