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Electrical Engineering : Recent Questions and Answers (Page 11)

Find answers to your questions about Electrical Engineering or help others by answering their Electrical Engineering questions.

Transformer Going Up In Voltage Over Time

I have a transformer from a 1953 jukebox that seems to be increasing in voltage over time. When I first got it, it was outputting 32V. A week...

Asked on 12/19/2021 by Dicer

1 answer

Simulate and Plot each Vout given 40 Resistances and a 4 Resistor Network

I have a list of 40 different resistances and a 4 resistor network with which to substitute these values into. I want to be able generate values of Vout(Vadc) given...

Asked on 12/19/2021 by StarStruck88

0 answer

How does this surge protection work?

This circuit signals an MCU via OU lead. I am not interested in the MCU side. I just show the concept. My question is very simple: How does the surge...

Asked on 12/19/2021 by hex

3 answer

Running two threads at the same time is causing a hardfault

So i'm learning FreeRTOS on STM32 and currently following a tutorial to get things started. Following are my concerns with the first one being the most:I have two threads, but...

Asked on 12/19/2021 by Pokloha

0 answer

Dual Inline Package and Chip

I am checking out for dual-inline packages for my chip (which I want to insert in DIP) and I came across some products from Analog Devices, Texas Instruments and NTK...

Asked on 12/19/2021 by Basit Ali

1 answer

How can I model a relay in LTSpice IV?

I would like to use a 12V relay in my LTspice circuit, however there is no relay in the component list. How can I do? Relay model: ...

Asked on 12/17/2021

2 answer

Multiple Ground Referenced Sensors on Single Floating Supply

Some background: I'm designing an industrial control board with isolated analog and digital IO. The hope is for it to be pretty foolproof, such that you could connect any 4-20...

Asked on 12/17/2021 by Ben Eck

4 answer

How do I easily flip odd and even pins between a Raspberry Pi and Pi hat?

My group built a custom hat for a Pi but when we integrated it we discovered a problem with our implementation. Our even and odd pins were reversed. On the...

Asked on 12/17/2021 by Nick Felker

1 answer

Coefficients and harmonics of a PWM signal

I have been doing some research into the fourier analysis of square wave signals for my project which involves filtering of PWM signals. Just a few things online that I...

Asked on 12/17/2021 by burton01

3 answer

How can Arduino send an RF signal at 433 MHz?

I am asking this question primarily to learn. I have learned that Hz is the number of cycles in one second. Taking that into consideration I have tried...

Asked on 12/17/2021

6 answer

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