All Questions
14
questions
0
votes
1
answer
49
views
How to conveniently generate variable programming voltages (12V, 12.75V, 14V etc.) in an Arduino context?
I'm playing with EPROM/EEPROM's and I need various voltages. For one, EEPROM I need to be able to generate 5V, 12V and 14V at around 30 mA. Question is how I do that the easiest. I'm thinking I could ...
- 1
0
votes
3
answers
131
views
Design of a 50 Hz step-up mini transformer
I am a first-year B.Tech student majoring in electrical and electronics engineering. Currently, I am working on designing a 500 W mini inverter.
I have addressed all aspects to reduce the inverter's ...
- 1
2
votes
2
answers
487
views
Step Up Circuit does not work
I am using an IC as a step-Up converter in my PCB.
It is supposedly to increase voltage from 12V to 30V.
This is the chip that i used.
https://datasheet.lcsc.com/lcsc/1809251831_Diodes-Incorporated-...
- 1,369
1
vote
1
answer
97
views
How to visualise high voltage and no current at secondary side of step up transformer?
As per the literature I have gone through about voltage, current, impedance, magnetic flux, etc what I understand is that, at the secondary side of a step up transformer, the voltage is very high and ...
- 73
0
votes
3
answers
249
views
Can very high voltage and very low current AC produce strong magnetic flux in the coil?
I have done some research and also conducted some experiments and found that the magnetic flux in a transformer or a coil mainly depends on the number of turns and current flowing in it and not the ...
- 73
1
vote
3
answers
285
views
How do we use step-up transformers to get a very high voltage compared to the initial voltage?
In some medical equipment like CT we find that the voltage entering the equipment is around 380 V, but then it's increased to be around 70 kV to 140 kV.
To increase voltage we use more turns on the ...
- 19
0
votes
1
answer
2k
views
Is it safe to use a 120V/60Hz rated espresso machine on a 100V/50Hz grid? [closed]
I'm new here and my question is a bit complicated with multiple factors, so please allow me to explain it.
I live in Eastern Japan where 100V/50Hz is standard. I intend to use a very expensive 1800W ...
- 11
0
votes
1
answer
436
views
Can we use 3.3 to 5 voltage logic level converter to drive a sensor?
I have a question that can we use 3.3V to 5V voltage logic level converter to drive a sensor which works on 5V as input voltage? Can we supply that 5V as input voltage to sensor or is there any ready-...
- 1
0
votes
1
answer
41
views
Controlling output voltage using Arduino
I want to control the temperature of a heat pad, which heats up using a power and ground pin, and is controlled by a pressure sensor.
The micro controller I am using runs onl 3.3V but the desired ...
5
votes
10
answers
4k
views
Best approach to step down 220VAC to 160VAC?
Hey Electrical Engineers,
I'm a newbie to electrical engineering (I am a software developer by trade and am starting to work with Raspberry Pis and want to learn about basic circuit design).
My ...
- 167
0
votes
1
answer
699
views
Step-up converter with Vin, Vout, GND
I want to use pololu step-up converter https://www.pololu.com/product/2836
in order to power a 5V device with two Ni-Mh batteries (1.3V each). It has only Vin, Vout and GND connectors. I've checked ...
- 1
0
votes
1
answer
175
views
Can I use dc-to-dc converter to step up voltage of 20 3.7V 3Ah lithium-ion batteries connected in parallel?
I want to use this 3.7V 40Ah powerbank to power my e bike's 48V hub motor. So would it be a bad idea to step up 3.7V all the way up to 48V? Would there be a huge Ah loss?
- 19
0
votes
2
answers
187
views
Can I swap capacitor Ratings
I have found this tutorial but don't have a 0.1uF Capacitor. I am an amateur when it comes to electronics, but I don't know if I can swap 0.1uF for a 1uf or 1.5uf. Any help would be greatly ...
2
votes
1
answer
146
views
Questions for a personal LED/ATmega328P-PU project
Ok, so first of all, here's I'm wanting to use in this project
x14 5mm Red LEDs
x14 Resistors (1 per LED due to individual control -
how many ohms each? I don't quite understand Ohms law)
x1 Battery ...
- 21