Tagged Questions
0
votes
0answers
8 views
arduino serial port programming [migrated]
I bought an arduino-on-breadboard kit. I have several pc with serial ports, now I'm being told I need a usb to serial converter? I thought I was ready to start uploading sketches, please advise.
I'm ...
0
votes
0answers
4 views
Computer not detecting my Arduino MEGA 2560 R3 [migrated]
I've tried different USB cables, computers, ports and none of them can detect my possibly bricked Mega 2560 R3. Nothing shows up at all in the Device Manager, not even "Unknown Device".
When the ...
0
votes
1answer
83 views
RAW USB data over IP even through WiFi
For very special project I need to transfer data from a USB device to another system remotely as RAW "commands".
The source device is something like a security dongle (not exactly but is a good ...
0
votes
0answers
56 views
Do I need a resistor for powering a 3-12v dc motor with USB 2.0
I'm trying to make a project from instructables: http://www.instructables.com/id/ATtiny8545-POV-Display/?ALLSTEPS
And the guy uses resistors for his usb cable and now I'm not sure if I need to use ...
0
votes
2answers
95 views
Is it possible to change a USB's enumerated descriptors (from the OS side) after plugging it in?
I don't mean as in change the descriptors built into the device, but the descriptors that the OS has enumerated. Can this be done from the OS side without touching the USB device?
For example, can I ...
0
votes
3answers
76 views
Olimex/ATMega328 Reading from UART and sending to USB
I'm getting frustrated with my electronic knowledge, because I want to do this simple thing:
Olimex 328/ATMega328 reads data from UART (Olimex MOD-PULSE or whatever) and forwards it to the USB Port ...
0
votes
0answers
24 views
Using Arduino ADK as a USB to TTL converter?
I know this can be done with the UNO, but does anyone know if it would be possible to use my Arduino ADK as a USB to TTL converter, then use that to program my Raspberry Pi instead of using a regular ...
0
votes
1answer
69 views
Data packet format when USB initialized as COM port
Does anyone know how the data in data packet looks like when the USB is initialized as COM port?
I have a Arduino Mega 2560. I have initialized COM port with a baud rate of 9600. I know that there ...
1
vote
2answers
426 views
Wiring Arduino Mini Pro with CP2102 USB to TTL
I have an Arduino Mini Pro and a CP2102 USB to TTL module as in the image below:
I couldn't find a suitable guide for the module I have. So, how should I wire them together?
0
votes
1answer
123 views
Can USB data transfer between Arduino and Android with the 5V power line disconnected still work?
I am using an Android tablet to talk to an Arduino board in a project which will need to run for many hours. It is all being powered off one lead acid 12V battery.
I would like to run the Android off ...
1
vote
1answer
154 views
How to connect an extra serial port of Arduino Mega to computer?
As you know Arduino Mega has 4 serial ports. I need one extra serial port besides the one which is connected to computer via usb cable. So I want to use one of the other 3 serial ports. But they are ...
0
votes
1answer
206 views
how to cut off power from usb device using arduino
Seems like I can't restart USB modem in Linux, so I setup an arduino gig to emulate usb modem plug/unplug.
I have Arduino Uno R3 and several N-channel mosfet https://www.sparkfun.com/products/10213, ...
1
vote
0answers
140 views
Where does serial data get stored on a PC? [closed]
Say I have the following python script to read in serial data from my Arduino:
...
1
vote
2answers
212 views
Is it possible to construct a USB to UART bridge using MAX232 or TUSB3410 IC?
I am trying to build my own Arduino board. But for connecting it with a PC a USB to UART bridge was required. Even though I can buy it from sparkfun, I wanted to build my own bridge using some sample ...
0
votes
0answers
101 views
Arduino IDE Not Recognizng DFRduino
I've got a DFRduino (which is basically the Uno in a more motion-oriented design - look here for specs).
I've connected it to my Windows 7 PC, and ran the Arduino IDE.
I've checked the board and the ...
2
votes
1answer
592 views
Is there a way to reset an arduino to factory settings?
I tried to make custom library for my Leonardo to work as a native gamepad, but as it turns out, it isn't as easy as it looks. After i got some code of core arduino and imported it, everything ...
1
vote
2answers
2k views
Connect Android device to arduino uno via usb
I have an Arduino Uno and need to connect to an Android device.
1) Do I need a USB host shield?
2) Would I be better off in buying a board that has USB host functionality built-in?
3) Is the ...
2
votes
1answer
246 views
Correct USB to RS 3.3 / 5.0 logic level cable
I am starting with electronics / arduinos / atmegas here. For a couple of recent days I've played with USBasp programmer, atmega328P MCU as well as with 7805 and LM317 voltage regulators. Now my next ...
0
votes
1answer
715 views
Proper Windows 8-64 bit driver for Arduino Yún (Yun)
I am trying to setup Arduino environment under Windows 8-64bit running on VMWare Fusion 6.0.2 host machine.
I connect the Yun to my windows machine and the device get detected under windows but ...
2
votes
1answer
400 views
v-usb with default arduino bootloader on ATMega328
I've been trying to figure out how to use v-usb on an ATMega328P but pretty much all the tutorials I've found are for ATTiny or use the ATMega328P but use a modified bootloader. I don't actually care ...
1
vote
2answers
509 views
Arduino ATMega32u4 USB pinout
Really quick question here - is it possible to use the GND/5V from the USB cable to power the Arduino through the USB connector but use the RX/TX pins to a motherboard's USB pin headers (D+/D-)?
...
1
vote
1answer
265 views
Computer can no longer see Arduino; possibly burned out?
I have an Arduino UNO R3. I was working on this excercise and I could not get the servo working. I thought the USB port may not provide enough power, so I plugged a 9V/1A adapter into the barrel jack ...
1
vote
2answers
90 views
Grabbing data from separate USB cords / separate serial streams
I have two measurement circuitry connected to two separate Arduinos.
I need to grab and record data from the two simultaneously, so how can I monitor and record data from two serial stream from ...
0
votes
1answer
97 views
Arduino: FTDI to USB on another arduino
I have a Sparkfun EL sequencer board, which uses the FTDI interface to connect to a USB cable. I would like to hook up a MakeyMakey via USB and communicate between the two. I have not had any success ...
1
vote
3answers
3k views
Arduino Mega 2560 not detected when connected to USB port
I've just received Funduino Mega 2560. This is a Chinese product and should be the exact copy of Arduino.
I am having problems connecting it to my computer and have spent several hours trying to ...
-2
votes
1answer
309 views
USB hub with power delivery OR android accessory mode
I'm looking for a USB hub solution for small host computer (like a Raspberry Pi or Nexus tablet) that can simultaneously power/charge said host computer.
I've heard about the USB power delivery ...
2
votes
1answer
147 views
Custom Leonardo board no USB?
I have made my own version of the Leonardo, and I am having USB issues. Plugging it in to a windows computer - nothing happens! If I hold down reset, I get the "device not recognized error", but if I ...
0
votes
1answer
401 views
Arduino will not power on with external power supply
I have a 5V and 12V Super rechargeable Li-ion Battery, and I'm trying to power my arduino with it. It's an emergency because tomorrow I have to present a robot and it doesn't work.
My Arduino is an ...
3
votes
1answer
210 views
USB Vendor ID Confusion
I'm looking to make a USB HID enabled device with an AVR that I would hopefully sell, but I know that the USB IF gets finicky about how exactly USB is implemented in commercial products. I want to ...
-1
votes
1answer
308 views
Micro SDHC 32GB -> USB -> Arduino
The majority of Arduino Projects I've seen that involve using an SD card use 1 pin for ground and 4 for communicating and 1 for powering(3.3v)(if I'm not mistaken), when you insert said card into an ...
2
votes
2answers
343 views
Trasferring Arduino chip from prototype platform to a PCB (Serial Communication)
I have been working on a little project where my Arduino Uno sends the IMU sensor's data to the PC via serial (Printing the data on serial monitor. I ma planning the transfer the programmed Arduino ...
1
vote
1answer
250 views
USB interface to bluetooth interface for digital scale
I've got a situation where I need to communicate wirelessly between a bluetooth-enabled Android device and a digital scale which can be accessed digitally via USB.
While normally I would be happy to ...
0
votes
2answers
699 views
Arduino Clone is not talking to my Mac
When I plugin my Osepp Uno (off-brand of Arduino Uno), the LED flickers a bunch, then the RX and TX lights do the same. But when I
ls /dev/ | grep -i usb
I get ...
1
vote
1answer
200 views
Are there any DIP alternatives to the FT232R?
I'm currently using an Arduino on a breadboard, interfacing with it via a FT232R chip mounted on a breakout board. For my final design I'd ideally like to use all thru-hole components for ease of ...
1
vote
2answers
755 views
Can the Arduino Leonardo act as a keyboard, mouse, and serial port at the same time?
I am doing a project that requires me to control both a mouse/keyboard combination and a serial port to activate it. (I know, it can prevent me from using my computer, etc. but I have precautions ...
1
vote
1answer
84 views
Is it possible to use a non-Leonardo board to act as a keyboard or other device?
I have been seeing lots of reports about the brand new Leonardo and it's capabilities, cheapness, and most popular, it's USB features. However, I look down at the ol' Arduino Uno and sigh. I don't ...
6
votes
2answers
662 views
How do I use a USB OTG cable to read a USB thumbdrive on Arduino Uno?
Is is possible to use a USB OTG (On-The-Go) cable hooked to the Arduino Uno's (or similar) USB connector to read a thumb drive or other device? If it is possible, what software would be needed?
3
votes
1answer
94 views
Can I use a serial module with a barebones Arduino?
I have recently bought a couple Bluetooth modules that connect to the Arduino via TTL/USB/UART (you use Serial(); to communicate with it).
I don't know if the ...
7
votes
1answer
162 views
What are the advantages of having USB part of the microcontroller (as the Leonardo does)?
The new(ish) Arduino Leonardo has an ATmega32u4 microcontroller which is different from the ...
0
votes
0answers
179 views
v-usb HID button press and release
I'm trying to use v-usb on an AVR to mimic a HID keyboard and I found how to send keys and how to release ALL of them, by calling usbSetInterrupt() with 0 for the key value, but is there a way to ...
0
votes
1answer
445 views
Arduino MEGA ADK: read data from usb(not serial)
I'm new on this field and I've spent my last 3 days searching for a way to read some data from a usb device(http://www.willow.co.uk/TelosB_Datasheet.pdf). It sends packets of 12 octest and all I want ...
0
votes
1answer
639 views
Arduino printer emulation
I'm working on a project in which an arduino should emulate a thermal printer.
I'm currently using an Arduino UNO R3 board with ATmega16U2 controller to handle the communication between USB and the ...
2
votes
3answers
3k views
Arduino and Bluetooth USB dongle
Is it possible to use a mini USB Bluetooth dongle like in the following picture in order to improve my Arduino Uno, so it can comunicate with other Bluetooth devices?
If it is, how can I do that?
1
vote
2answers
510 views
Motors controlling Arduino usb question
simulate this circuit – Schematic created using CircuitLab
I made a RC car with an Arduino board, using an H-bridge to operate the motors. I connect them through a capacitor and a diode ...
1
vote
1answer
4k views
Arduino board not detected when connected via USB
I have an Arduino clone called the InduinoX. It works with my mother's laptops and I can program it, but in my other laptop it goes undetected. It's last uploaded program works when connected ...
4
votes
3answers
7k views
Communication between a USB/serial device and an AVR (atmega/Arduino) microcontroller
I have a device which provides a USB port. If I attach it to a Windows PC it is recognized as a "CP2103 USB to UART Bridge Controller". According to the device documentation, it should communicate in ...
0
votes
2answers
552 views
HID descriptor to use for a Playstation 2 controller
I'm currently making a Playstaion 2 controller to USB converter using an Arduino Uno, and it's going along very well, but I'm stuck on a specific problem.
I'm trying to support the pressure sensitive ...
2
votes
2answers
239 views
creating an electronic scale with Linux
I have no skills with electronics, but I can code.
Which kind of hardware I can use to create an electronic scale that runs with Linux? Will Arduino fit this task? Where can I find the sensor to keep ...
-1
votes
2answers
247 views
Connecting an USB disk to a LilyPad Arduino [closed]
I'm trying to connect a small USB disk or a microSD card to a LilyPad Arduino project, but I cannot find the shields to do that. Do they exist and if so, would be possible to be done?
I have found ...
0
votes
2answers
741 views
V-USB with ATtiny2313 to communicate with Android
How would one interface a ATtiny2313 with usb to communicate with a android device? I know it involves using V-USB, but how does the circuitry work? Am I supposed to connect certain pins on the ...
