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There are 545657 individual articles here that are part of 31902 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

help with Xcode


September 22, 2014, 11:44 am

note: im writeing a OS my compile claims this code faulty: typedef char* string; typedef string* screen; typedef unsigned char uint8_t; typedef unsigned short uint16_t; typedef unsigned int uin... Read more »

Tinychip Explorer (onboard GPS!)


September 22, 2014, 11:30 am

https://groups.google.com/forum/#!category-topic/tinychip-designs-group/tinychip-creations/4wM9TEQYAUo Read more »

OT: Biscotti/cantucci


September 21, 2014, 6:49 pm

Hi, Biscotti == cookie (loosely speaking). Americans think of: when confronted with the term. And, there are all sorts of (perverse!) variations on that theme. Growing up in an Italian-Americ... Read more »

Code Help


September 21, 2014, 1:31 pm

is there anything less memory consuming than this: typedef struct color { uint8_t R; uint8_t G; uint8_t B; } typedef struct Voxel { PxMaterial mVmat; bool vxl_mask[4096]; ... Read more »

Memory problem


September 21, 2014, 1:22 pm

is there anything better than this code below? typedef struct color { uint8_t R; uint8_t G; uint8_t B; } typedef struct Voxel { PxMaterial mVmat; bool vxl_mask[4096]; ... Read more »

STOP ALS CHALLENGE.


September 21, 2014, 11:17 am

How many more must die because of this stupid challenge, it has done more harm than good, stop it already ! This story also proves my believe that water and electricity don't mix well ;). It al... Read more »

Calculating Wire Length for Spiral Coil


September 20, 2014, 8:18 pm

I need to wind a spiral (pancake) coil from 0.4mm enamel wire. The ID is 20mm and the OD is 150mm. What is the procedure for caluculating the length of wire needed? I am not a math wizz, so an exa... Read more »

Widlar's Early Treatise on Semiconductors

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September 20, 2014, 11:44 am

Widlar's Early Treatise on Semiconductors, so large a file to E-mail, I put it up on my website so you can download it... ...Jim Thompson -- ... Read more »

>90% Efficienct Buck Regulator (24V to 5V)


September 19, 2014, 7:58 am

Hi So previously I have used this 24V to 5V regulator with integrated synchronous FETs from Richtek: http://www.farnell.com/datasheets/1782093.pdf It is a nice part, has close to 90% efficiency at... Read more »

"Introduction to Semiconductor Devices" by Widlar - Anybody Has T...

  [ 2 ]
September 19, 2014, 12:20 am

Hello everyone, Has anybody read the book Introduction to Semiconductor Devices by Robert J. Widlar (Bob Widlar)? I am enthused by the comments about this book by Bo Lojek, (author of History o... Read more »

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The best rated discussions

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5

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 »

rating
5

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 »

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5

LT Spice schmitt oscillator

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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 »

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5

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 »

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5

DSP Device for Guitar Pedal Effect

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I was wondering what DSP chip would be appropriate for a guitar pedal effect. I need to sample the incoming signal preferably at 96kHz perform a simple numeric function upon each sample and output h... Read more »

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micropower boost circuit

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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 »

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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 »

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C programming question for Arduino

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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 »

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Soldering iron tips

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I've done my fair share of soldering, but never SMT. This video: http://www.youtube.com/watch?v=lauw0bSe-Cw&feature=related ....is a good indicator of what's involved. The problem is, where do you... Read more »

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PSPICE, Demo version, Model editor won't "Export to Capture Library&qu...


Hello, I've been playing with Orcad PSPICE (DEMO version) this past week. I'm trying to make a model of an inductor which saturates with current. I'm planning on using the LBREAK part and feed ... Read more »