Tagged Questions

1
vote
1answer
52 views

Use an active PS/2 -> USB adapter as USB-Serial Bridge

I'm working on a small robotics project where I need to enable my old phone (Nokia 5230, shows up as USB Serial port on Windows but USB cable is straight-through) to talk to an Arduino UNO R3 (doesn't ...
0
votes
1answer
18 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 ...
2
votes
2answers
60 views

Connecting two STM32f4discovery boards

We have two STM32F4Discovery boards with Micro USB's for serial communication. Is it possible to connect two boards to allow communication between them? Is there is any different hardware other than ...
1
vote
2answers
61 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 ...
3
votes
1answer
9 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 ...
0
votes
1answer
121 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
217 views

STM32 - PC serial sommunication

What are the available options or ways to connect the STM32 discovery board using UART to a PC via USB or the serial port ? What is the required hardware/cables ?
2
votes
3answers
1k 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 ...
6
votes
1answer
642 views

TI Launchpad MSP430 on Serial in Linux

The MSP-EXP430G2 LaunchPad Experimenter Board User's Guide (Rev. C) in chapter 3.2 states: The LaunchPad includes a pre-programmed MSP430G2553 device [...] Press button P1.3 to switch the ...
2
votes
2answers
163 views

Computer controlled electronics

I have a reasonable amount of experience writing drivers for pre-existing hardware and I am looking to develop my skills and learn some more. Can anyone recommend good angle, resource or starting ...
0
votes
1answer
46 views

Connect TSOP to prolifc serial

I have a prolifc USB to serial cable that I want to use to recieve infrared signals coming from a TSOP Sensor I saw it is possible to connect a classic rs232 connector with TSOP here. How can I ...
0
votes
2answers
341 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 ...
3
votes
2answers
1k views

Throttling data from USB serial connection on STM32 microcontroller (flow control)

I've just integrated the code from ST's STM32 USB Virtual Com Port example (stm32_usb-fs-device_lib.zip from here) with my project in order to get the STM32 to appear as a Virtual Serial Port. ...
0
votes
0answers
962 views

USB-to-Serial Cable Based on the Prolific Chip - Windows 7 Driver Problem Fix

This problem drained a few hours for me, and after searching for miles on the Internet, I simply couldn't find the correct solution. The Prolific PL-2303 chip is used extensively for Serial to USB ...
1
vote
3answers
284 views

“USB is also a serial communication method” is this true?

I'll repeat the title. Is it true that USB is also a serial communication method ? (a bit confused, someone told me @ facebook :D)
2
votes
1answer
165 views

Programming to read X-10 over USB or Serial

Does anyone here have experience writing a program that would receive signals from Visonic, or other X10 sensors such as door detectors or motion detectors? Essentially, I would like to write a ...
5
votes
3answers
869 views

A simple on-circuit RS-232 to USB converter

I want to interface a PIC microcontroller (18f452) to a PC via the USB port. I learned that there is a USB class for serial communication so I will not have to write device drivers for it. I want to ...
2
votes
1answer
198 views

How can I correctly wire my switch into my USB-to-Serial adapter cable?

Referring to this question: How can I convert a 2 prong connector to USB? I have decided to go with this solution: (2) You could use a cheap (from $5) serial to USB adaptor and wire the switch to eg ...
9
votes
2answers
3k views

What are the differences between USB and RS232?

Can someone tell me why people use either USB or RS232. They are both serial ports, right? And I understand that USB is much faster (especially USB3.0) but if people wanted too I'm sure they could ...
4
votes
4answers
561 views

Use UART Tx as digital output?

Would it be possible to send a 5 V "true" signal from the Tx of a UART dongle? As if it were a digital output? Here is the UART adapter I purchased.
0
votes
1answer
511 views

Using a breadboard power supply along with USB to Serial chip

This is a very niche question but I'm wondering if there is a general princinal that can be applied to help answer it. Here is my prediciment. I am making an Arduino on a breadboard. For the power ...
10
votes
6answers
611 views

How to Efficiently Decode Non-Standard Serial Signal

I'm an undergraduate member of a research team working on a project that involves an RF-transmitting ASIC, and its wireless receiver which should ultimately send data to a PC. The receiver outputs a ...
5
votes
3answers
9k views

How can I fix an AVRdude not-in-sync error when programming Arduino via USB-to-serial cable?

I'm trying to build this Ambient lighting for PC. This worked flawlessly on my Arduino Uno. My next step was to make it using "Arduino on a breadboard". So I bought a blank ATmega328 chip and burned ...
2
votes
4answers
6k views

How to enable serial emulation through USB in a STM32F4 Discovery board?

I've been searching for this and still haven't found anything about it. This board connects directly to the host PC with a USB bus. Is it possible to emulate a serial port in this case?
2
votes
3answers
317 views

How to connect GPS module to usb cable

I need help with connecting this module with USB cable or serial cable. What do I need to connect? What channels? EDIT: Okay guys I see that you think that this gps in not so good. How about this ...
3
votes
1answer
878 views

Using Android Accesory mode to access a USB serial device, use a VNC2?

In a current project we use an Android application that talks to a USB Serial device (which speaks the Prolific USB serial protocol). This works fine with Android devices that support USB Host Mode, ...
1
vote
5answers
1k views

Connect a light sensor to PC

I want to connect a light sensor to my PC ( serial or usb ) and read the values of that sensor. Is there a way i can do this without a microcontoller? I am looking into the cheapest method of ...
2
votes
1answer
3k views

Tutorial for USB communication with a PIC18F4550 using CDC framework

I am trying to perform USB communication from the PC to a PIC18F4550 microcontroller using the Microchip PIC18 USB CDC(Communication Device Class) Framework which essentially makes the PIC18, ...
3
votes
3answers
1k views

Serial to USB adaptors - types and problems

I have an electronic device (commercially available, which someone else made), which essentially consists of a series of photoelectric cells, going through a black box of electronics, and through to a ...
3
votes
4answers
904 views

Serial to USB converter

I have a DSP kit with a serial connection. Since, I am operating on my laptop, I do not have access to a serial port. So, I would require a Serial to USB converter How do I create a Serial to USB ...
2
votes
4answers
2k views

Can simple microcontrollers read signals from a USB to RS232 converter connected to a USB mouse?

Trying to connect as many usb mice to my arduino and just got informed of usb to rs232 converters. Can anyone tell me if it is possible to simply connect a usb mouse to a usb to rs232 converter, ...
1
vote
2answers
318 views

Determine transmit and receive latency of a USB to EIA-485 converter

How could I determine the latency involved with transmitting data on a USB to EIA-485 converter? The converter is a B&B Electronics USOPTL4 using the FTDI chip, and I know that there is a ...
1
vote
2answers
541 views

Configuring baud of USB-Serial bridge

I hope I'm asking this in the right place, I didn't know if it should go on stack exchange or super user instead. Problem Summary: I need to configure the baud rate of a USB to Serial bridge device. ...
21
votes
2answers
2k views

How do I make the Fairchild FSA9280/FSA9480/FSA880 BOOT pin trigger? (Samsung Galaxy S)

this is a bit of a long shot but I'm hoping someone has access to the full data sheet for one of the chips listed in the title, and can tell me what combination of VBUS_IN and resistors on ID_CON will ...
3
votes
2answers
317 views

Recommend a Serial to USB cable/converter that works with modern OSes

I'm hacking on a board that has an RS232 interface (via a Max232 chip). My new computer doesn't have a serial port, which leaves me using USB. I actually have a Serial to USB cord already, but it ...
1
vote
1answer
657 views

Is there a USB interface for a RadioShack 22-812 Digital multimeter?

I have a RadioShack 22-812 Digital Multimeter which has a Serial PC Interface. Is there any sort of adapter that I can use to connect it to a computer's USB port instead of using the Serial Port?
3
votes
5answers
908 views

Computer to Arduino Interface Options

I need to send 800 bytes of data from a computer to an arduino board every 20ms (approximately). I began with the serial library which works nicely but it is too slow even at its highest rate (115200 ...
4
votes
2answers
499 views

Problems with CDC Device Class

I'm using the Microchip 16-bit 28-pin starter board and the USB communication with the PC keeps breaking. There are two microprocessors on the board. The application processor communicates to the USB ...
9
votes
2answers
5k views

Serial newbie: why can't I just hook the wires up?

I'm trying to transmit from an ATtiny85 to a PC using Arduino-esque code over a USB-Serial converter without understanding very much of anything. I was shocked and appalled that it did not work. I ...
3
votes
3answers
869 views

Anything special I need to know about RS232 & FT232R?

I'm trying to interface an XSens IMU (http://xsens.com) with my computer, and I'm running into interesting difficulties. The IMU has an RS232 connector that just uses the pins VCC, GND, TX, RX, ...
7
votes
5answers
921 views

RS232-to-USB Converter

Anyone have any recommendations on a good rs232-to-usb converter. There are a lot out there and from the looks of it some are hit or miss. Good driver support is a must.
5
votes
3answers
2k views

Apple Desktop Bus (ADB) to USB Adapter

I have an old Apple keyboard that I would like to use but it uses the ADB bus instead of the newer USB bus. Griffin used to produce a product called the iMate which was an ADB-to-USB converter but ...