1answers

[Others] How do I trigger 3 x SCRs in series with a microcontroller without a pulse transformer?

I know ways of triggering a single SCR using a microcontroller pin. How would you go about triggering multiple SCRs in series using a microcontroller since only the last SCR cathode is connected to gr...
7answers

[Others] Could I modify the soft touch switch to always on or bypass it?

I was planning on using a wifi socket to control this dehumidifier only to find out it's touch sensitive switch which defaults to off when plugged into power. Have you met this? Any way to bypass ...
  • answered Nov 05,2020
    by Gorge
1answers

[Others] Teensy 4.0 to emulate 27c512 eproms.

Do you think that this board is fast enough to emulate a 28dip 8bit eprom chip without any other peripherals, just read the Adress Pins (16 digital inputs), get the data from the Teensy ram and output...
2answers

[Others] For PMSM, how is 'field weakening' achieved?

I don't know how the field is actually weakened. For a PMSM motor for example, how can the field be weakened? Is it done through the phase wires or externally?
1answers

[Others] How to measure capacitance using sensors?

Hi all,I don't understand how the capacitance itself can be measured. The dielectric is non-conductive, so it isn't like more current flows whenever the capacitance increases. So, how is capac...
3answers

[Others] Why does Capacitors have high resistance in lower frequency?

When having a capacitive circuit powered by AC, you get higher resistance as the frequency gets lower and lower. Why does that happen?Also, does the same thing happen in AC circuits with no capacitanc...
2answers

[Others] What stops a boost converter from generating thousand or million of volts?

As far now, the highest voltage I ever seen a boost converter converting is 90V. What stops a boost converter from generating thousand or million of volts?
  • answered Oct 29,2020
    by Paul H
1 ... 17 18 19 20 21 22 23 24 25 26 27 ...
Ranking Name Answers
1 PCBWay Team 11
2 Jonathan Scher 3
3 Paul Hupman 2
4 Samarth Jiwarajka 1
5 Engineer 1
6 Ibrahim TKR 1