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I've attached the USB host cable to the USB Host pins on the Teensy 4.1, my midi controller comes on when plugged into it and I've created this simple sketch to print out the CC number of any messages received, however it's not printing anything. This code has been cobbled together from bits...
how risky is building a 5v 2Amp usb charger without any handshake capability? Would devices just pull the amps that they need/can handle, or am I running the risk of breaking devices?
Hi all,
As a homebrewer, I use some devices (iSpindel) to monitor fermentation parameters.
I also have small wifi relays, DIY made by someone else, which transmit measurements to my brewing software, and also display the latest ones.
These relays work very well but have a small drawback: they...
Hello
I am trying to make USB connection to PIC18f14k50.
Following are connections :-
Pin 1 (Vdd)------>5V
Pin 2 & 3 -------->External crystal oscillator (20MHz)
Pin 4 (MCLR)------------->Pulled high with 10K
Pin 20 -------------------->GND
Pin 17---------------------> capacitor (0.1UF)...
Hello everyone hope you are doing well,
i have a ddr2 I31GM4-LF REV3.0
it seems everything working fine except that USB,SATA,PCI Devices can not be read or detected by the computer but the strange thing that there's voltage present like the usb 5v and the pci 3.3v i believe its something...
Hi! I'm completely new to circuit design, I've looked through the forum for similar questions but couldn't find any, apologies if I've missed it though.
I need help designing and building a light sensor switch for a USB powered "UV" LED strip for collecting insects. I'm a freshwater...
I have an esp32-S2 saola and I am trying to use it as a MIDI usb device. I am trying to use this github repository: https://github.com/chegewara/EspTinyUSB. I am able to run the code on the esp32s2 saola and I am connecting to a mac with a USB cable to pins 19 and 20 but don't get any MIDI input...
Nowadays USB port is used widely for data transactions between electronic devices and computers. In many scenarios, there is no need to communicate with the USB port directly, therefore electronic designers use USB to UART (RS232-Serial) converter chips, so the USB port is converted to a virtual...
Hello,
I'm working on a project using a PIC24F as a USB Joystick. The code was originally based on the Microchip MLA HID Joystick example. But the project requires being able to send the Joystick commands to change it's mode. As well as receive data back.
Based on research it seemed like...
OS: Linux(Ubuntu Mate)
IDE: Arduino IDE
Example: asm_terminal (USB library code for interfacing ARDUINO USB HOST SHIELD with ESP WROOM 32)
I am working to interface Arduino USB host shield with ESP WROOM 32. I have added the ESP 32 board to the Arduino IDE and able to run basic example codes on...
Hello, I am working on a project in which I am supposed to convert USB host to UART to communicate the data to NodeMCU. I have tried to use ch376s but unfortunately it's not working as required. So if you know any other USB Host to UART converter module, please do suggest. Thanks in advance.
I have an EKS XP10 midi controller with a Burr Brown DAC. When plugging in the controller it isn't being recognised by Windows.
I have two more of the same controllers. Only this one has this problem.
I have checked and confirm there is steady 5v across legs 1 and 4 of USB socket on the...
Hello,
This is my first post.
I have been at ABB working with power transformers for the past 7 years, and before that I was in university studying operations management and working... Last time I was involved with "low level" electronics was like 15 years ago...USB wasn't as commonplace then...
Hello Friends,
I have an idea about this. For making this I need joystick, Arduino,bluetooth Module(HC05). But I need to know how to connect HC-05 as a bluetooth keyboard interface? And how to program the whole thing?
I am using USB redirector software the trial version to check if this software will work for our needs. I have a SafeNet dongle-key for a few software on a physical server that I'm trying to pass through to a Hyper V VM that's our Terminal Server (Server 2008 R2)
I can connect to the dongle...
I am currently trying to design a DC powered USB charger station (just charging and no hub/connectivity/upstream/downstream) that can charge multiple USB devices simultaneously and from my hurriedly put together research online, I understand that charging specifications of mobile devices (mostly...
Our client uses some third party softwares and devices for their internal work. They print 600 pages per shift and now they wanted to eliminate paper usage without changing their existing systems.
There are LaserJet printers that are connected with Desktop PCs and Thermal printers that are...
Experts,
A friend of mine travels a LOT, and they do it with 2, sometimes 3 laptops. He has about 5-10 pounds of converters & power supplies with him in a backpack, and he has been asking me for a solution. He's trying to go all USB-C (100w per spec), as many are, and these are the rough...
Hello there,
My application need a battery management charger IC.
Take a look the design layout,
1. A micro USB connector from smart phone to PC or power adapter will be use.
2. From this USB connector VBUS will be supply power to my external system through the battery charging IC.
3. This...
Have a 64Gb Lexar USB flash drive – will not register.
When insert it slowly into port, the red lights flash briefly when partway in, then go dark.
When insert quickly, just very dim brief flash of red light and then dark.
Drive will not register. Looking back, I realize that unit was...
Hello everyone,
A brother from my hometown told me to make a mini amplifier that can pull the power out from a USB charger(or PC USB).
I happened to working on a logic gate IC and burned the IC while using a USB(power bank) charger. I want to know is it safe to use a 5V-1A charger to power the...
I have been testing F2806x USB Bulk Device Example project 'usb_dev_bulk' from TI controlSUITE. In the USB2.0 Specification there is noted that maximum allowed data packet size is 64 bytes where data is transmitted within 1ms frame.
When i predefined value of '#define DATA_IN_EP_FIFO_SIZE...
controlsuite
current config value
data_in_ep_fifo_size usb_fifo_sz_
error: must be non-zero
fifo
number of open pipes
tms320f28069
usbusbbulk
wmaxpacketsize
Hi Team,
I want to design a USB 2.0 webcam. Could you please guide on the steps involved and the components required (preferably Texas Instruments). I know that a CMOS sensor is required but not sure where to get them and also how to convert the data into a USB format.
Thanks,
Arun
Hello. I want to buy an oscilloscope. I am confused between DSO203 and 6022BE. Also budget is an issue. Consider following points-
I'm designing a 3 PH inverter. The 6 SPWM signals generated at 16Khz are fed to 3 half bridge IGBTs. Now I want to measure the 3 Phase output of the inverter and...
Hello,
i want to build a DRM device using microcontroller / something similar.
the idea in general is to hook from one side usb and the outher side to screen using hdmi , and the device in the middle will varified the usb
and play is encrypted content on the screen.
my q. is:
A. Witch is the...
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