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10 views

Material selecting of HV pannels

I want to know that what would be the material selected for high voltage control panels outer body and what would be the breakers used as SF6 is used only in MV panels.
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19 views

Axxess ASWC-1 steering wheel control interface

I'm thinking of making a headunit to replace the stock radio on my 2005 Honda Pilot with a Raspberry Pi but I want it to work with my steering wheel controls and am thinking of using the Axxess ASWC-1 ...
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26 views

Detectbot position using Optical flow sensor from PS / 2 mouse

I have a small car with 4 DC Motors which are driven by a web app, I use encoders attached to each motor, but I found that it's not an advanced technique and not so accurate. Where can I get details ...
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0answers
17 views

Which AC bridge circuits are oscillators?

There are different types of AC bridge circuits like the Wheatstone bridge, Maxwell, Hay, Shering and Wien. I need to know which ones are oscillators but I still don't get the main reason why the ...
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20 views

Electronics Board Debugging [duplicate]

I have a board with 2 input voltages; one of them is 5V and another is 12V. I set 12V adapter to 5V absolutely in a wrong way. so I've found myself in a big problem. hope you guys help me to fix it so:...
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30 views

Diode Circuit analysis [duplicate]

how can i solve circuits like this ?! how current flow though determine the diode modes and calculate V and current in branches
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49 views

Common base and emitter transistors? [closed]

How does amplification and both direct current and voltage flows occur in transistors (bjt) (common emitter configuration). and if Beta (B) is the amplification factor, why doesn't common base ...
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1answer
23 views

Graph of Thermistor against Temperature

Assume that I had a circuit as such above. I was wondering, if I increased the temperature of the surroundings, what would a graph of the temperature/PD graph look like? I know that Resistance ...
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1answer
48 views

Short circuit and voltage source

I don't understand why when you replace a wire between a and b with a short circuit, you could just ignore 160 Ix voltage source. I understand that those two resistors in parallel will be shorted, ...
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2answers
23 views

Why do ideal Op-Amps have zero offset voltage?

Why does ideal operational amplifiers have zero offset voltage? Is that because it has infinite gain?
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1answer
51 views

How would I design an S-R flip flop under these given conditions? [duplicate]

Given an AND gate, an OR gate, and inverters as needed, design an SR flip flop with S and R active low (0). I understand that to make such a flip flop, I would have to place inverters on the circuit ...
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2answers
57 views

trouble with making and gate

i'm having trouble with making an AND gate on this circuit simulator website 123 circuits. This supposed to be AND-gate only responds to input from switch 1 on the dipswitch and 2 doesnt affect it at ...
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0answers
18 views

How to treat diode in transient circuit analysis [duplicate]

Hi, this fig is a model of a circuit, where the cap is representing the gate-to-source capacitance of a hi-side FET in a bridge circuit driving a coil. VD is the intrinsic diode in the FET from ...
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0answers
32 views

How actually sign reversal of output signal and the input signal takes place in case of amplification of transistor? [closed]

How actually sign reversal of output signal and the input signal takes place in case of amplification of transistor? I am a class 12 student so make me understand accordingly.
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0answers
72 views

why do we need a diode in a circuit? [closed]

i know that a diode allows electron flow in a single direction.But doesn't this happen in a circuit even without a diode (for dc source). then why do we need a diode.
2
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1answer
110 views

Is eMMC really a good choice for a low-volume long-product-life design?

We're looking for a flash device for a low-volume (batches size < 100) industrial product, in the 2/4/8 GByte range. In applications like this we've previously used SD card, which is an obvious ...
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2answers
515 views

Any reliable site where *hardware* engineers can be hired for small (work-from-home/telecommute) projects?

For software hackers/developers there are many. However, I need a hardware guy (or girl?) for a relatively small project. Is there a site where I can search for people and see ranks, ...