Electronics Design

The Dismal Science

https://www.cnn.com/2021/05/07/economy/april-jobs-report-pandemic-anniversary/index.html "The US economy added only 266...

133 comments posted 5yrs

posted by jlarkin

133 comments posted 5yrs posted by jlarkin

33·62%

Incidence of neurological damage will increase over time. Dementia and general psychosis are moving into the lead. Find...

4 comments posted 5yrs

posted by bloggs.fredbloggs.fred

4 comments posted 5yrs posted by bloggs.fredbloggs.fred

Semi OT (chip shortage related): American Automaker's Harsh Low-End Lesson

There's no money in cheap cars, anymore. Pricing cars at $25,000 serves no function but to lose money, anyone who can a...

30 comments posted 5yrs

posted by user

30 comments posted 5yrs posted by user

Walmart MMIC

https://tinyurl.com/ymmth6na

13 comments posted 5yrs

posted by jlarkin

13 comments posted 5yrs posted by jlarkin

Phil: SAV541 model

Hey, Phil, Your SAV-551 Spice model is .MODEL SAV551 NMF(vto=0.08, Beta=0.3, + Lambda=0.07, Alpha=4 B=0.8, Pb=0.7, + Cg...

6 comments posted 5yrs

posted by jlarkin

6 comments posted 5yrs posted by jlarkin

How do I play music with a BIOS POST beeper?

How do I modify a BIOS POST beeper from a PC to play the Can-can song? If polyphony is possible, how do I do it?

20 comments posted 5yrs

posted by s35587079

20 comments posted 5yrs posted by s35587079

How do I control another device (speaker or LED) with a PC fan?

I am controlling a speaker/LED with a PC fan. The speaker's tone and the LED's blink rate should be proportional to the...

15 comments posted 5yrs

posted by s35587079

15 comments posted 5yrs posted by s35587079

Interesting new project

Simon and I have just got signed up to build a trans-abdominal fetal blood oxygenation sensor--i.e. a pulse-ox for the...

24 comments posted 5yrs

posted by pcdhSpamMeSenseless

24 comments posted 5yrs posted by pcdhSpamMeSenseless

sounds scary

https://finance.yahoo.com/news/price-stuff-makes-everything-surging-040011497.html We're seeing some shortages on parts...

48 comments posted 5yrs

posted by jlarkin

48 comments posted 5yrs posted by jlarkin

PWM for High-Torque Motors

Gentlemen, Is it feasible to PWM a car starter motor or is there just too much reactance in them? TIA, CD

33 comments posted 5yrs

posted by cd

33 comments posted 5yrs posted by cd

EV to ICE Transition

Everything is perspective. If EVs were the norm with virtually every home having level 2 charging available and everyon...

210 comments posted 5yrs

posted by gnuarm.deletethisbit

210 comments posted 5yrs posted by gnuarm.deletethisbit

OT. Apollo 11 Astronaut Died at 90

He didn't get to take the first hike on the moon.

8 comments posted 5yrs

posted by deanh6929

8 comments posted 5yrs posted by deanh6929

GHz oscillator

What's a good way to make a, say 2 or 3 GHz sinewave oscillator? I don't need extreme accuracy, and I'd like maybe 1 vo...

55 comments posted 5yrs

posted by jlarkin

55 comments posted 5yrs posted by jlarkin

Escrow Service and Counterfeit Goods

An escrow service is about protecting the interest of both parties using the service. But there are some situations whe...

32 comments posted 5yrs

posted by gnuarm.deletethisbit

32 comments posted 5yrs posted by gnuarm.deletethisbit

How to change stm32 m4 adc channel?

Does anyone know how to do it in register level? I see many code examples using: ADC_ChannelConfTypeDef sConfig = {ADC_...

24 comments posted 5yrs

posted by edward.ming.lee

24 comments posted 5yrs posted by edward.ming.lee