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Results tagged with usb
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user 368
Widely used standard for connecting computers to other devices, such as printers and keyboards.
3
votes
Accepted
Is it possible to detect host usb device connected to arduino? and how?
The USB communication chip on the Uno has no out-of-band means of telling the main MCU that it is connected to a host. … You will then be able to query the USB facility directly to know whether or not you are connected to a host. …
- 17.7k
2
votes
How to change the usb name of Atmel 32u4?
With the technical part aside, note that you are not allowed to use the USB IDs assigned to Arduino LLC with products you intend to distribute under another name. … You will need to acquire your own vendor ID from the USB-IF if you want to do so. …
- 17.7k
3
votes
Can I make a USB Device with only data output
USB is a host-managed protocol. A USB device must be able to receive in order to operate, since the host notifies the device when it should send data back to the host. … USB Made Simple …
- 17.7k
0
votes
Accepted
Is this set up appropriate?
You need:
two MCUs that can act as USB devices (one per slave),
some way of getting the commands from the master to the MCUs
That means two Arduino Dues (or Arduino Leonardos, or SparkFun ATmega32U4 … breakout boards, etc.) and one USB device of some sort that you can talk to and have send commands to the MCUs. …
- 17.7k
3
votes
Pinout for Leonardo USB
But you don't want to wire directly to the chip unless you know what you are doing since the chip does not include the USB termination resistors. … Follow the schematics given in the datasheet when connecting to the USB pins of the MCU. …
- 17.7k
2
votes
Accepted
Arduino with multiple buttons - will power be an issue?
This isn't enough for the USB connection to care about. … and talk USB to the host. …
- 17.7k
0
votes
Accepted
arduino usb android controller
You will need a device that has native USB support such as the Leonardo or Due, just like it says on the page.
The rotary encoder library you use will tell you how to connect it. …
- 17.7k
41
votes
First time set up- permission denied to usb port- ubuntu 14.04
On modern distros that use ConsoleKit create the file /etc/udev/rules.d/01-ttyusb.rules containing the following and then reload the udev rules and replug the Arduino device:
SUBSYSTEMS=="usb-serial", …
- 17.7k
3
votes
Using Arduino Nano as USB Host
V-USB is a software-only implementation of a low-speed USB device for Atmel’s AVR® microcontrollers
No host support here, sorry. … The USB host shield handles the hardware bit and simplifies the software bit. It is up to the firmware to support the various USB profiles. …
- 17.7k
1
vote
Accepted
How to connect Arduino Pro Mini with PC?
V-USB can be used to create a low-speed USB device in software, but you will need to program the chip before you can use it. … A USB-UART bridge (not necessarily a FTDI chip, although that is (was?) …
- 17.7k
2
votes
Why is Serial.print working when nobody receives the data?
The USB-UART bridge is, if it can. And if it can't, no one cares. A UART is asynchronous, hence it doesn't care if anyone consumes it; as long as it has sent the data, that's all it cares about. …
- 17.7k
1
vote
Can I charge a 4.2 V battery with a 5 V adapter?
You must use a charger properly designed for the battery; attempting to connect a Li-ion battery directly to a USB charger will damage the battery, possibly catastrophically. …
- 17.7k
2
votes
Enabling keyboard feature on Arduino with CH340G
That chip can only act as a USB-UART bridge. You could use V-USB to turn the ATmega328P into a low-speed USB device, but the Arduino IDE has no support for that. …
- 17.7k
2
votes
Accepted
What boards have integrated USB charging?
The Feather mainboards are fairly small and have integrated LiPo/Li-ion charging. They're not as small at the Trinket but if you don't need the space on the proto boards then you can examine the desig …
- 17.7k