Newest Questions

Ask Question
213,345 questions
Newest Active Bountied Unanswered
-1 votes
0 answers
10 views

I plan to take on a project to learn from , Where i will build a matrix of pressure sensors (solder them ) such that they are in the following arrangement I would want to try to identify the objects ...
dareen's user avatar
  • 529
-1 votes
0 answers
12 views

Circuit design Band pass filter Active filter Multisim And find their objective circuit analysis
Mûřéțã MD Ûšhê's user avatar
  • 1
1 vote
1 answer
22 views

I have a basic Class AB push-pull amplifier that uses diode biasing for the transistors. The circuit operates from a single-ended supply (e.g., +VCC and ground), and the input is a sinusoidal signal ...
user641035's user avatar
  • 37
-1 votes
0 answers
18 views

I'm trying to get the transfer function of the circuit, I get the instrumentation amp part but later I got stuck again in the the inversor plus the last one (sum point?). Started with the next section ...
riccs_0x's user avatar
  • 574
0 votes
1 answer
34 views

I am assembling a proximity/motion activated night light using a dpdt 6 prong, 3 position switch (on/off/auto). When set to on, I expect the full voltage (5 volts or so) to pass through the switch, ...
jii's user avatar
  • 13
0 votes
0 answers
23 views

I am using the following firmware function to detect link up on a Texas Instruments dp83825i (10/100M Ethernet PHY). ...
personal_cloud's user avatar
  • 804
0 votes
0 answers
37 views

I am trying to connect an ST7789 SPI TFT display to a Raspberry Pi Pico (RP2040), but the display stays blank (black screen). What I have done: SPI is enabled Power supply is 3.3V Wiring is as ...
مبین سعیدی's user avatar
  • 1
2 votes
1 answer
66 views

Does anyone have a good system for keeping track of boards and what is loaded on them? For instance, if I have 10 Pi or Arduino projects going, I would like to label which board is which. And there ...
johnnyb's user avatar
  • 175
0 votes
1 answer
101 views

I don’t know if this is the right place to post this question. If it isn’t, I’m sorry! I was using my uni-t multimeter to measure voltage between the neutral and ground wires in an outlet, because I ...
user420735's user avatar
  • 11
-1 votes
0 answers
55 views

We have a lock that is controlled by a solenoid. The solenoid locks the door if the power is off, and unlocks the door when it receives power. We are hoping to hook up two sources of power to this ...
user1833028's user avatar
  • 471
2 votes
4 answers
206 views

I have to design a transformer with defined parameters such as my primary and secondary voltage, rated power of the transformer, the flux density and the lowest frequency \$f\$, are there other ...
LTJ_1212's user avatar
  • 61
0 votes
1 answer
69 views

I am driving a Texas Instruments DP83825I (10/100M Ethernet PHY) using an STM32H573 with firmware I am writing (see output below) on a custom board. So far as I can tell, the board is good (750M pings ...
personal_cloud's user avatar
  • 804
3 votes
2 answers
427 views

This is a question about the history of electronic symbols and standards. I'm finally starting to learn how discrete devices actually work from the entertaining yet incredibly insightful and ...
uhoh's user avatar
  • 3,556
0 votes
1 answer
68 views

To ask the question clearly, I simulated the following as example frequency responses, where all four have the "same resonant frequency" and "same LC products". Top two circuits ...
cm64's user avatar
  • 2,718
-1 votes
0 answers
27 views

I need Wi-Fi functionality on an STM32 board, so I plan to control an ESP32-C6 using AT commands from the STM32. When using the ESP32 standalone, I could use WiFiManager to switch the ESP32 into AP ...
humni's user avatar
  • 163

15 30 50 per page
1
2 3 4 5
…
14223