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There are 613366 individual articles here that are part of 35272 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

Tektronix DM2510 eprom

October 25, 2016, 10:59 am

Hi some time ago, I found at a flea market a led multimeter tek DM2510, does anyone have a copy of its firmware a 27256. Probably will be same useful the one of a DM2510G but there are 2 differe... Read more »

sf: pinout SpectraSource instruments Teleris 2 cooled camera

October 25, 2016, 10:38 am

Hi I found a: SpectraSource instruments Teleris 2 cooled camera option KAF0400 but without the controller... Does anyone have the pinout of this device is a male db 15 like the one of a vga cable... Read more »


October 25, 2016, 12:31 am

This is seriously cool. I have no idea how they can make these magnets with such strength and fine-featured surface magnetic patterns, but the applications are awesome. I want to buy shares. Look... Read more »

OT: For those of you with a mediocre skill set...

October 24, 2016, 9:51 pm

OT: For those of you with a mediocre skill set and going to vote Democrat... Enjoy your poverty >:-} ...Jim Thompson -- I'll have you know that I h... Read more »

A SPICE Equivalent Digital Model That Actually Works

October 24, 2016, 6:33 pm

http://seventransistorlabs.com/Images/AltiumBufferModel.png Models NXP's 74HC7014 precision Schmitt buffer, at 5V and 25C, not counting quiescent current consumption. Input and output diode and M... Read more »

Semi OT: libnoise

October 24, 2016, 5:20 pm

I needed a good pseudorandom coherent noise source for a project I'm working on, and this cross-platform C++ library is pretty cool: http://libnoise.sourceforge.net/ Check out the examples under ... Read more »

wind patterns

October 24, 2016, 3:16 pm

I think it was Jeff L who pointed me to this site: https://earth.nullschool.net/#current/wind/surface/level/orthographic=-145.63,45.39,1306/loc=-120.408,38.960 This is flat beautiful. I wonder how ... Read more »

OT: What's it called...

October 23, 2016, 10:17 pm

OT: What's it called... Plastic envelope/pocket, with peel-and-stick backing, stick inside cover of a book with a card inserted listing important-to-me-topic pages. I have in mind around a 1/4 sh... Read more »

Protection of 1uF capacitor against short circuit

  [ 2 ]
October 23, 2016, 6:10 pm

I'm looking for a component to protect against overcurrent if the output of my Teletype current loop driver is shorted. The output end of this system is a 1uF aluminum electrolytic capacitor ch... Read more »

resistor resistance change over frequency

  [ 2 ]
October 23, 2016, 4:44 pm

I'm making high Q measurements. My Q meter only goes to 625, so I have added a ~ 2.15 ohm resistor in series with the coil. I'm testing a reference inductor with and without the resistor to fi... Read more »

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The best rated discussions


Secure PIC programming

Hi We have customers using PICs who sometimes need to re-program them with updated firmware. It's inconvenient to have to ship the equipment back to a service centre, and most customers are quite... Read more »


EPE TENS circuit.

Would anyone have a circuit for the EPE TENS machine ?. Cheers .... jk Read more »


propagation velocity experiment

This would involve CK722 transistors, slotline samplers, and pecan pralines [1]. Unit of measure would be kiloseconds. Let's see what happens. John [1] The crunchy kind, of course. Only Yankee touris... Read more »


LT Spice schmitt oscillator

  [ 2 ]

Does anybody have a working LT Spice netlist for a simple schmitt inverter/R-C oscillator? I tried one using the library schmitt inverter and get obscure sim errors, and I don't understand the HELP ... Read more »


Protection circuit to be used for a gate pulse of SCR

Hello, I am doing a project on a temperature control system.My controller has been designed in LabVIEW and I get a control signal of 0-5V output from DAQ which needs to be given as gate pulse to SCR.... Read more »


is the hendershot generator ad a scam?

  [ 2 3 4 ]

is it a scam? Will it work in a residential home ? Read more »


micropower boost circuit

  [ 2 ]

I need a DC to DC boost circuit with an output defined not with respect to ground, but with respect to the input, which is variable. Output about 15 volts above the input, over a wide range -- f... Read more »


2.5KVA transformer on square wave 1000hz mains

I just bought a 50/60 hz transformer rated 575VAC pri to 230VAC sec rated at 2.5KVA on ebay. I remember reading some time ago that transformer companies rated their transformers to 1000 hz. I'm needi... Read more »


STmicro acceleration/magnetic sensor LSM303DLH == LIS331DLH + HMC5834?

Just had a look at the LSM303DLH datasheet and had a déjà vu ;-) It looks like ST has simply put a LIS331DLH and a HMC5843 into one package. (The HMC lacks the built-in voltage regulator) All data ... Read more »


C programming question for Arduino

  [ 2 ]

I'm wanting to make timers that work like PLC timers, a condition comes true, a preset period of time later code is executed. It would be something like: void mytimer(bool enable, long preset) void ... Read more »