1. N

    RS232 Communication - PCIe card or USB to RS232 converter

    Hey all! I want to control 2 instruments both of which use RS232 interface. But in the computer, there are no free RS232 ports. But, there are few free USB ports. I wanted to know, is it preferable to get a USB to RS 232 converter or a PCIe card with RS232 ports? If anyone can share any...
  2. Wazzever

    First USB-C design – need help reviewing schematic and ESD layout

    I’m currently designing a PCB with usb-c, and I’d really appreciate some help reviewing my schematic and pcb layout for my usbc layout and especially the esd protection
  3. M

    Help routing USB-C D+/D− to ESP32-S2 differential pair needs to cross

    Hi everyone, I’m designing a PCB that uses USB-C to program an ESP32-S2 Mini 2. It’s my first time routing USB, and I’ve run into a layout issue I’m not sure how to handle correctly. Setup USB-C receptacle (USB 2.0 only: D+, D−, CC1/CC2). ESD protection: USBLC6-2SC6 (2-channel low-cap device...
  4. M

    USB Port issue

    I am using PIC24FJ256GB106 controller for USB CDC communication, I have downloaded the MLA from microchip and by modifying the cdc_basic_demo of PIC24FJ256GB110 to PIC24FJ256GB106 (changed the device form PIC24FJ256GB110 to PIC24FJ256GB106 in project configuration). In device manager in USB...
  5. asmeerasif22

    FT260 External Interrupt: Not working

    I am currently working with the FT260 chip on the UMFT260EV1A module. It is I2C to USB bridge that uses HID protocol to communicate with the host. I have established connection with the chip and am also able to communicate with an I2C device through the FT260. What I am struggling with is the...
  6. kowshik1729

    How to mount both USB and SDCard at same time with STM32F1xx MCU's?

    Hi guys, I have a simple problem, I need to mount 2 storage media i.e., USB drive and SD Card that are connected to my system and copy a csv file from SD card to USB in the most fastest way possible (DMA may be?) but my current method is kinda very slow. I am mounting SD Card, reading a 256kb...
  7. kowshik1729

    USB charging battery and powering my MCU simultaneously

    Hi Guys, I'd like to start by telling I have gone through a lot of similar threads from allabout circuits but I have concluded my problem is little different from all of those. I have a battery charger circuit that will be powered by USB, which will charge a 3.7V Li-Po battery. My Requirement...
  8. G

    replacing power supply usb C connector

    I am trying to replace a usb C connector that snapped on a laptop power supply, there is a blue wire that needs to be connected to A5/CC1 (and also to B5/CC2 ?) would this type of connector work :
  9. prabhatkarpe4

    How the LED light of a USB card reader works?

    I need to know how the LED light of a USB card reader that indicates the data transfer works? Is it possible to create such a light using transistors and putting that circuit parallelly with a data cable connected to a USB storage drive? In this diagram how that LED connected with the GPIO0...
  10. O

    Simple soldering issue on a USB cable

    Hello guys, i'm new on this forum i just bought a camera without the charging cable the model : Nikon Coolpix S2600 i found a AV cable with the same connector, what i want to do is pretty simple in fact, but without any documentation it's became really hard do you know how can i solder a +5V and...
  11. ponas.jonas

    Help with USB-C to UART schematic using FT230X and STM32

    Hi all, I am trying to add a USB-C socket on my PCB that I would like to use for data transfer only. I currently have a simple UART molex connection, but I would like to upgrade it to USB-C in my next iteration of my PCB :) I am using the FT230X to convert it to UART as I want to use DMA...
  12. Nahel

    TQMa6x: PCB problem

    Hello everyone, I'm trying to use the TQMa6x using the USB port but when I connect my card nothing happens, black screen and I can't see what the problem is. Thank you in advance for your answers.
  13. FillenNaymeer

    Looking for a simple USB analog to digital converter with existing support in a language like python

    Hey all, I was wondering if someone could point me to a component that fits this description. Id like a USB that plugs directly into a computer with voltage terminals and converts it into a digital representation that has existing support in a programming language to easily read in the data. The...
  14. G

    USB General Guidelines

    Hello everyone, Id like to request some help on how to implement USB onto a project. I am currently working on a project that sends analog signals to a computer using a headphone jack and plots it into a graph. Id like to do the same but using a USB port instead as it is standard and easier to...
  15. S

    2 Power sources, 1 load, and possibly daisy chaining power

    Hi, I'm pretty new to all of this, so please let me know if something doesn't make sense. I am building display units with LEDs in them, powered by a 5v USB C to make it easy to disconnect and cable manage. I would like to put a USB C port on the left side of the unit, as well as another USB C...
  16. TimG199

    connection issues/advice on hx616 coin slot to usb decoder for work project

    Hey all, I'm currently building an escape room & have decent good electronics knowledge, however, I'm on a project that has stumped me: We have an arcade machine built with a custom mini game running on a pc, the controller joystick and buttons operate via a usb decoder & are fully...
  17. Roxx.R

    Repairing a charger by a Newbie!

    Hello everyone, i am new here and i don't have any education about electronics. I have just learnt very basic things from internet and by breaking, modifying and damaging electronics..!! I have done assembling computers and repairing motorcycles.. i love fiddling with electronics.. Anyways...
  18. Rachador

    USB 3.1 port wiring for charging

    Hi everyone, I'm building an USB charger with a linear PSU just for hobby and I want to install an USB 3.1 port so it can supply 900 mA max. If I only connect up the USB 3.1 port VBUS and GND pins, will the device recognize it as USB 2.0? I'd like to know what I should do with the other five...
  19. colofofong

    For Sale USB converter for an Apple Newton keyboard

    Turn your Newton keyboard to USB with Apple Newton Keyboard to USB Converter Adapter! Works with major OS like Windows, macOS, and Linux.
  20. W

    Trying to desolder USB drive from circuit board

    Hello true tech enthusiasts, I'm trying to do this: Long story short my USB drive stopped working after it would randomly not be detected at times on my PC. Found out it was bent and a pin in the middle was slanted. Now it wouldn't detect at all. So I'm trying to desolder the metal part...
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