Questions tagged [electronics]
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61 questions
0 votes
2 answers
89 views
Isolating transfromer
How does current flow in each condition (normal, red, and buzzer) in this hospital isolated power system diagram
0 votes
0 answers
36 views
Looking for AMD Ryzen Chip Datasheets/Pinouts
Where can I find datasheets or pinout descriptions for AMD chips (such as the Ryzen 7 7840U, Z1, or Z2 Extreme)? I couldn’t locate them on AMD’s official website, and I’d prefer to avoid reverse ...
0 votes
0 answers
38 views
Smoked bridge rectifier Lincoln mp210
I have a Lincoln Electric Mp210 power board. It was already “repaired” but I use it a couple of times and the bridge rectifier explode, but I already checked and this bridge seems to be already ...
1 vote
1 answer
54 views
Designing a Braille tablet for a competition. Could you give feedback on my moving electromagnet actuator idea?
I'm not an engineer or engineering student, just someone trying to design a low-cost, multi-line refreshable Braille display for a competition. I have no formal engineering training, so I’ve been ...
- 11
0 votes
2 answers
87 views
Digital projector technolgy
Which digital projection technology is suitable for high centrifugal forces (i.e., greater than 100 Gs during extended periods)? I've been looking into microLED pico projectors since this technology ...
0 votes
0 answers
38 views
final year project related retractable awning
I already study about my project has using component eletrical and electronics in my system arduino uno as controller Inputs (Sensors) Rainwater Sensor YL-83 Module(to detect rain and trigger awning ...
0 votes
1 answer
56 views
Thermal Cycling specs for PCB
Can I use thermal cycling specs of -40 to 125C for 1000 cycles, 15min dwell time on each extreme for X5R (-55 to 85C) capacitors assembled on this PCB. The PCB will be non-operational throughout the ...
0 votes
1 answer
49 views
Can porous metal electrodes with oxide layers work better than activated carbon in capacitors?
I’ve been reading about activated carbon capacitors (like supercapacitors). They use the huge surface area of porous carbon and ions movement in electrolyte to store energy. But they seem to have some ...
0 votes
0 answers
52 views
I need to control the speed and direction of stepper motor through stepper motor and DAQ card
I am just a beginner in the world of LabVIEW and stepper motors. I am working on a coordinate measuring machine, which has a touch triggered probe and it moves on lead screws coupled with stepper ...
0 votes
2 answers
90 views
Antennas for HF reception
I need to know a few things about using HF antennas with RTl SDR. Whether it's a dipole or a monopole antenna, how do I choose the wavelength for the HF antenna? The range is from 3 MHz to 30 MHz. To ...
- 11
0 votes
0 answers
26 views
Would this be a suitable setup or there are better ideas to build the drone power supply?
I am building a tethered drone used in washing houses and solar panels, most important aspect being the overall drone system weight. The overall use would be washing up to 15M high with a drone (...
0 votes
0 answers
406 views
Error code in the automatic door system
The automatic door lock system malfunctioned due to an electrical surge. Currently, the door is closed but the screen shows the door open. We opened the door by pulling the motor handle and putting ...
0 votes
0 answers
33 views
Very slow Slew Rate after an 8V regulator
I have a requirement to provide a regulated 8V supply to power a FET. The regulated 8V is supplied from a DC bench power supply and needs to have a very slow slew rate to replicate someone turning the ...
0 votes
2 answers
130 views
Activate a mechanical end-stop with a lever
I would like to be able to record the motion of the shafts on a loom. I have some mechanical end-stops, and would like to trigger them with levers that raise and lower when the treadles at the base of ...
1 vote
0 answers
31 views
Failed in upload firmware to esp32
I'm having an issue when uploading code to my ESP32. Previously, I had configured the partition scheme to 'minimal,' and I was able to upload code without any problems. However, after I fixed my ...
