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Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

OT: Sloman's Socialist Utopia

September 24, 2016, 6:10 pm

Hell-hole more like: http://www.express.co.uk/news/world/713032/Sweden-chaos-no-go-zones- increased-police-lose-control Coming soon to a town near you, in all probability. Read more »

ring oscillator

September 24, 2016, 5:07 pm

I've never really understood ring oscillators, and I still don't. Startup is interesting. After the power supply comes up, the stages are identical, fully symmetric, and all the nodes hang at +2 vo... Read more »

Newsgroup for discussing PM motor design

September 24, 2016, 9:02 am

Hi I am trying to understand the design method and variables in a PM motor design, specifically iteration design on airgaps and outer dimensions to optimizer the design without compromising ripple t... Read more »


  [ 2 ]
September 22, 2016, 5:24 pm

https://www.amazon.com/gp/product/B01BLV7XL0/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1 These, in a Dremel, are great for cutting copper patterns into copperclad FR4. https://dl.dropboxuserconten... Read more »

pressure cooker

  [ 2 ]
September 22, 2016, 4:42 pm

I had to hang around home a little longer than usual. There's a Goodwill dropoff place across the street from work, and someone left an old pressure cooker outside while the place was closed overni... Read more »

Old HP 412a, Theory Of Operation

September 21, 2016, 6:39 pm

Accurate as hell, very high input resistance. Range that makes conventional VTVMs blush. They got four light bulbs in there and a wheel that spins. I imagine it is PWM actually, what else ? But... Read more »

OT: The world is saved by Jerry Brown...

September 21, 2016, 6:22 pm

OT: The world is saved by Jerry Brown... ...Jim Thompson -- Liberalism: Religion for the Simple-Minded Read more »

OT: HDMI Splitter, 1-Input, 2-Outputs

September 21, 2016, 6:04 pm

OT: HDMI Splitter, 1-Input, 2-Outputs (two different TV sets) How well do these work? Caveats? ...Jim Thompson -- Read more »

ON Semi buys Fairchild

September 21, 2016, 5:52 am

http://www.onsemi.com/PowerSolutions/newsItem.do?article=3633 PHOENIX, Ariz. ? Sept. 19, 2016 ? ON Semiconductor Corpora tion (Nasdaq: ON) (?ON Semiconductor?) and Fairchild Semico nductor Interna... Read more »

Piezoresistive Force Sensors

September 20, 2016, 4:38 pm

Anyone here worked with Piezoresistive Force Sensors? I can't seem to find much beyond really vague specifications. To me it would appear that there's substantial capacitance as well? Any pointers... 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 »