Questions tagged [port]
A port is a physical interface for a computing device to other devices. They are often realized as a single pin or a set of pins and can be operated in different modes.
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ESP32 S3 N16R8 custom board USB Port is not detecting
I am having a rough day because I made a custom board using the ESP32 S3 N16R8, but when I tested it, its USB-C port is not recognized by my laptop.
I am trying to troubleshoot an ESP32. The 3V3 pin ...
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How to secure mechanical connection of the PCB port is this case?
I have a PCB port for UART communication which is a male 6 pin header as shown below:
After mounting the PCB in an enclosure I use the following USB to TTL serial cable:
The serial cable's female ...
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Two port network model of common emitter amplifier
Why are transistors in the common emitter configuration modeled as two port networks despite the fact that they violate the port condition? Am I missing something?
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PIC32MX270F256D MIPS assembler code read to port value
I'm trying to display the port value using the Arduino IDE serial monitor, but it seems to jump around between some values, pressing a button or not.
it seems steady when no button is pressed, but ...
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What are the functions for the components in this expression pedal port circuit?
This is the design that the Roland A49 MIDI controller uses:
Here is the design I would use if I hadn't seen Roland's design:
What is the function of the extra components?
My thoughts:
The 1k ...
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Rewiring USB Type B to MIDI
I am beginning work on building a MIDI VPO organ in my spare time. I have found some MIDI controllers online, I have not bought them yet, that I plan on gutting and repurposing for this project. ...
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Replacing USB-C socket on a keyboard
I decided to fix some of my stuff that has broken USB-C ports. (why are they so fragile!) I've removed the old sockets and cleaned the pads, but when the old sockets were damaged (by simply inserting ...
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Confusion with the meaning of virtual com port
As far as I read, plugging a USB mouse into a PC is not creating a virtual port; but plugging a serial to USB converter does.
This is very confusing for me since from PC operating system's point of ...
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Shape of signals in PORTB of PIC after executing code
I am trying to understand how in this document the signals in PORTB.0, PORTB.1 and PORTB.2 are drawn.
According to the code, there is an infinite loop and we are every time adding 10 (in binary), so ...
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Utilizing Multiple USB 3.0 Ports for USB-C DisplayPort Alt Mode
I'm currently exploring the possibility of leveraging multiple USB 3.0 ports to collectively emulate USB-C DisplayPort Alt Mode for connecting an external monitor.
Is it technically feasible to ...
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Polarity negative or positive on DC barrel jack?
I have a DC port, can I make it positive or negative inside?
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ATmega - reading PIN defined as PORT
What value reads the ATmega328 in case:
DDRA = 0xff;
PORTA = 0x00;
pin_state = PINA;
another words, what is state of PIN if I/O is defined as output PORT and all ...
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What is the reason that this RJ11 cable can't be connected to this socket? [closed]
I connect one end of this RJ11 to my router's WAN port, and I connect the other end of it to a 3-pin plug, and I connect that 3-pin plug to the phone jack, but when I try to connect the RJ11 cable to ...
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Can a ESP32 and PCF8575 IO port Expander drive a IRLR7843 MOSFET directly with a 6A Load?
I posted earlier about using BUZ11 Mosfets in my project and driving them with a CA3081 NPN transistor array. But as I need 24 Mosfets, the circuit parts count is still too high.
I have researched ...
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Altium: Duplicated instances of sheet symbols to create single PCB room
I'm wondering if the following is possible in Altium: To make my schematic easier to follow, I want to break up my sheet symbols into several different ones in the top level schematic, while not ...
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