Widely used standard for connecting computers to other devices, such as printers and keyboards.
0
votes
0answers
12 views
How to use UsbKeyboard.h to send string instead of keystroke - Atmega328p
I am using Arduino nano Atmega328p board to emulate a keyboard. It uses UsbKeyboard.h and some additional components for usb connection.
http://www.practicalarduino.com/projects/virtual-usb-keyboard
....
1
vote
0answers
35 views
What USB to UART chip provides highest data rates with Arduino boards?
Checking out online stores for a USB/TTL adapter, I came across a wide range of products, and I'm having a hard time selecting the one which would achieve the highest data rate. I was comparing ...
0
votes
0answers
18 views
ard-reset-arduino resetting Leonardo/Micro via USB works on OSX, fails on Ubuntu
I'm trying to program a Leonardo (actually a Micro ATmega32U4) via the command line using USB. Schematically, I'm doing ard-reset-arduino followed by a sleep 1 and an avrdude command.
This works ...
1
vote
1answer
33 views
How to make auto keyboard using arduino nano V3.0 ATmega 328P ?
I have an Arduino Nano v3.0 ATmega328p board. I want to make an auto keyboard that types in a string when its plugged in. I have googled and found that these chips doesn't support that feature unlike "...
0
votes
2answers
20 views
Arduino USB Host Shield with joystick
I'm building my own quadcopter and going to use an Arduino for this. An Arduino Micro for the quadcopter and an Arduino UNO for the controller. I want to use an USB host shield with a Logitech Extreme ...
1
vote
2answers
59 views
Very strange power supply problem
So, I've put together my Christmas tree lights - a string of WS2811s driven by my Uno board. They are 12 volt WS2811s, so I have rigged a 12 volt supply to them and just using the Uno for the data ...
0
votes
1answer
19 views
Arduino Leonardo - disabling the debugger port
My Sketch program is working perfectly as a specialized keyboard application on the Leonardo. I want to disable the development tools drivers from the USB, (COM PORT) leaving only the HID Keyboard ...
0
votes
0answers
26 views
NewPing doesn't work when powered by 9V battery
I have project utilizing ultrasonic sensor. It works only when connected via USB. When I connect via 9V batter plugged into power supply port, the yellow diode dimms rapidly, and no meaningful data ...
0
votes
2answers
65 views
Using ATTiny85 as a USB HID Mouse [closed]
Our project involves using an arduino compatible microcontroller to control a mouse on a computer with an accelerometer and flex sensor. We had narrowed down to the ATTiny85 due to its small size.
We ...
1
vote
0answers
24 views
I want to modify setup, to also keep the serial USB port opens so I can send strings via a Raspberry Pi
I am trying to modify the original code from these guys GRA & AFCH, who have made an Arduino Sketch Program that runs a Arduino powered Nixie Clock.
Here is the link to their Firmware file:...
1
vote
1answer
56 views
Re-enable Arduino after short
I happened to short-circuit my Arduino by mistake. It was powered by USB on my Windows 7. The OS was so smart to pop-up warning about USB power surge and shut it down immediately. Arduino survived.
I ...
0
votes
1answer
56 views
USB Communication like serial RS232 with an Attiny
Basically I want to use an Attiny running an Arduino boot loader as an usb device. I'm not sure how to even start or what phrases to search for.
So here's what I ultimately wish to do.
Load a ...
3
votes
2answers
37 views
Capacitors in DC circuits
I have a question about capacitors in DC (digital) circuits. The picture below is an edited schematic of the Arduino Uno R3.
The DTR line is connected to the reset input of the Atmega328 by a 0.1uF ...
3
votes
2answers
52 views
Is my Arduino possibly broken?
We work in groups on a project at school. We had to build an electric sheme with an arduino to make a small car moving.
We got the parts from our school, except the Arduino (we had to buy it ourselves)...
3
votes
1answer
66 views
How to reprogram Arduino if USB port is already in use?
I'm developing a keyboard emulator using Digispark Pro (based on Arduino) which uses USB port as the keyboard interface. I haven't programmed it yet because I doubt how should I recognize the chip to ...
1
vote
1answer
38 views
Arduino Nano (3.0) Use an USB Bluetooth stick
I was thinking to build a very small USB Audio Streaming device with aux output for an amp (I know they already exist, but I like the self invention). So I bought an Arduino Nano and a USB Bluetooth ...
3
votes
2answers
68 views
All of the sudden the Nano will not accept programming
I have been working merrily along with CH340 to make Com10 work. It has been working flawlessly but now I am getting various messages like it can't open the port then the programmer is not responding....
0
votes
0answers
18 views
Only 1/4 Arduinos seen in Port list?
At some point last week I was able to connect to and upload code to all 4 of my arduino unos from my mac (OS X Sierra). I've been working on one Arduino for a few hours, and now that I tried to plug ...
2
votes
1answer
46 views
How to program an nRFL01 RF module that is connected to a pc via a USB to UART/TTL adapter?
In a few of my previous questions I was told that the nRF24L01 RF Module can be connected to a pc using a USB to UART/TTL adapter. After a bit of research I understand that one way to use it is to ...
1
vote
1answer
79 views
Problems building an Arduino Micro with through-hole components
So I'm trying to build an Arduino Micro using a bread-board and through-hole components. I'm leaving out the voltage regulator and voltage selector (see schematic at the bottom for reference). I'm ...
0
votes
1answer
60 views
What is a cheap way to interface a USB keyboard to an Arduino Uno?
What is the cheapest way to interface a USB 2.0 keyboard to an Arduino Uno?
The keyboard does not support PS/2 emulation (interfacing a PS/2 keyboard to Arduino is easy). So this means the Arduino ...
2
votes
0answers
55 views
Read string from DigiUSB
I wrote simple code for my Digispark (Attiny85 with Micronucleus bootloader) in Arduino IDE:
#include <DigiUSB.h>
String inst;
void setup() {
DigiUSB.begin();
pinMode(1, OUTPUT);
}
void ...
-1
votes
3answers
55 views
How to correctly read a string from Arduino serial port?
I'm trying to communicate with my Arduiono UNO via USB serial port, more precisely I'm trying to read a string like 125,0, I know it's full of article out there about this, but belive me I've tryied ...
1
vote
1answer
45 views
Arduino Micro Power Questions
I have a few questions about the Arduino Micro circuit:
If I can provide a steady 5 V source (connected to +5V), then I don't need to use the voltage regulator module (including the selector) of the ...
0
votes
1answer
48 views
SerialUSB on DUE
I'm starting fiddleing with a due but i can't seem to be able to comunicate over usb with it. Here is my code :
int bauds = 9600;
void setup() {
SerialUSB.begin(bauds);
}
void loop() {
if (...
1
vote
3answers
64 views
How to repair or work around a damaged usb port on the Arduino?
While unplugging the usb cable from the Arduino, the plastic piece in the center of the port (the part that separates the pins) broke off and lodged into the end of the usb cable. I didn't notice that ...
0
votes
0answers
31 views
Read Data From USB Device (Laser Range Finder Sensor) Using Arduino Due
I currently have a LIDAR sensor which has USB interface. The sensor works just fine using USB connection and the provided software. Now I want to connect it to the Arduino Due so that the ardunio can ...
0
votes
1answer
34 views
digispark usb issue
Hey all first installed the drivers for the x64 and got this:
Notice it did not install the first one - USBSER.
However, i am able to upload code in the Arduino IDE so I went ahead and uploaded the ...
0
votes
3answers
58 views
Questions about the Arduino Micro PCB
I'm planning on integrating an Arduino Micro in the circuit of a small project of mine (USB gamepad). The whole thing will use USB for power and data transfer (between the board and the computer). ...
0
votes
1answer
71 views
Arduino Mega 2560 and Android USB OTG serial communication
currently I am building a little project based on the Arduino Mega 2560.
My goal is to send some data gathered by some sensors to an Android phone.
It has to be as basic as possible.
Buying new ...
1
vote
2answers
41 views
Sending GPS data to computer via USB and then to iPhone app through Wi-Fi on LAN [closed]
I was wondering how I would parse data from a GPS module from the Arduino to my laptop and from there send it to an iPhone app I'm building.
One idea I had was to have it print the incoming serial ...
2
votes
1answer
69 views
What to do after prototyping?
I want to make a USB gamepad, and I've heard that an Arduino would be great for this kind of project. But before I start to work on it, I want to make sure I understand some things. Here are my basic ...
1
vote
1answer
71 views
Prevent 5V output on Arduino Nano 5V pin
I just made an addressable RGB LED strip controller but im concerned about if I'm going to break the thing.
I know it sounds vague so let me elaborate: there is an external power supply connected to ...
2
votes
0answers
28 views
Attempt stacking 'CAN-BUS' and 'USB Host' Shields on Mega 2560
I've run into a case of 'In theory it works, but in reality'....
I'm using the CAN-BUS Shield V1.2 from Seeed studio. Many things are written in broken english, so I'm starting to wonder if I can ...
-1
votes
1answer
126 views
Arduino Rubber ducky?
So there is this hacking tool called a rubber ducky , the concept is that the device looks like a flash drive but the computer thinks it's a keyboard . According to what i know , a usb port has 4 ...
1
vote
1answer
60 views
Possibility of installing custom firmware from Arduino Uno R3? [closed]
I've been messing around with installing keyboard firmware onto my Arduino UNO R3 (I used this tutorial) and had an interesting idea: would it be possible to have this install custom firmware, ...
0
votes
2answers
119 views
cheap ATtiny programmer on Debian
I've recently purchased a no-brand 1€ ATtiny programmer off eBay, and with the ridiculous price obviously came no documentation nor support from the seller.
At first I thought that using it with ...
0
votes
1answer
67 views
9V Vin powered Mega - 3V instead of 5V
I'm experiencing an issue with an Arduino Mega 2560 :
I powered the board through the Vin using a +24 --> 9V voltage regulator. When I power the board and measure the 5V output from the board, the ...
1
vote
4answers
117 views
External 5V Power and USB Serial
I have a Chinese arduino nano clone, but i dont know if its possible to connect the arduino to external (5v) power and have an usb serial connection ongoing.
I'm trying to make a PC controlled LED ...
1
vote
0answers
28 views
XBee Shield Arduino External Power Issue
The XBee part of the entire thing works flawlessly no matter how things are being run.
Equipment:
Laptop
Arduino Uno
Sainsmart XBee Shield
USB XBee Explorer
2 x XBee Series1 modules
Terminal ...
3
votes
2answers
68 views
How can a USB keyboard emulator (TrinketKeyboard) type Unicode characters?
I've got an Adafruit Trinket microcontroller set up using this USB keyboard tutorial, and it works great.
I'd like to set up my project to type a shruggie ( ¯\_(?��)_/¯ ) when I press a hardware button....
3
votes
1answer
88 views
Identify connected PC per Arduino
Question:
Is there a way to collect any data (e.g. MAC addresses, installed devices, driver versions, etc.) from a PC by simply connecting an Arduino via USB to it, so that this PC can be clearly ...
2
votes
1answer
66 views
Arduino project feasibility
Question completely rewritten
Trying to assess an Arduino project feasibility. New to Arduino... but did a lot of controller programming (assembly), Roboteq (C) and Phidgets (C++) , using various ...
2
votes
0answers
95 views
Arduino program does not start when plugged in
I am having trouble with my Arduino Mega with getting the program to start when the Arduino is plugged into a computer via USB. All that happens is the LED turns on and stays on. The device does not ...
1
vote
1answer
30 views
Connect to Arduino 2560 using a RS232 Connection
Is it possible to connect to an Arduino 2560 using a RS232 (DB9) connection rather than the regular connection using USB cable?
I am thinking of this connection scheme:
PC -> USB cable -> USB ...
-1
votes
2answers
36 views
How to connect a thermostat to an arduino via USB
I want to allow the user to plug in a device into the arduino (e.g. thermostat). The problem is that I don't want them to struggle to put 3 pins into a breadboard, as that is not very user-friendly.
...
0
votes
0answers
35 views
Windows does't recognise the Arduino Micro
I'm writing a controller for a Arduino board. Using C++ and WDK 10 on Windows 7 machine.
On Mac:
This(more or less) is what I did: https://developer.apple.com/library/mac/samplecode/SerialPortSample/...
0
votes
1answer
52 views
Connect USB cable to GPIO pins on an Arduino Uno
Electronics Newbie!!
I want to connect a USB cable to my Uno's GPIO pins (and then connect it to a USB port on my computer). I have chopped off a USB cable from a keyboard, I read this and I'm hoping ...
0
votes
1answer
17 views
Answer power IN from two sources
Items:
Arduino Uno
Laptop
7.4V 2s LiPo Battery
Neewer 30A ESC
Scenario:
The LiPo powers the ESC while the Laptop USB powers the Arduino. If I unplug the USB from Arduino is loses power (obviously) ...
1
vote
3answers
116 views
Listen for USB “TX signal received” response on RX [closed]
Is there a usb signal I can send on TX that will generate a response from the computer on the RX only if the computer is active/not a wall usb power supply? I'm trying to use the Remote library when a ...
