Questions tagged [serial]
In serial communication data is transmitted as a sequence in time. Main advantage: Fewer wires needed. Main disadvantage: Higher bandwidth required for the same throughput.
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1answer
34 views
Get data without command anything from Roomba Create 2
I use Arduino Uno R3 connected to the Roomba Create 2 as in this picture
All the output commands for Arduino work fine but I have a problem from reading data from Create 2 sensors: I get invalid/...
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1answer
38 views
Getting error on serial monitor when using serial controlled motor
I am using this motor in a robotic arm.
I wanted to move it to a position and the position was provided via an input but I am getting errors on Serial Monitor. Initially when I tried this , name of ...
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1answer
32 views
Controlling a dc servo with serial communication
I am going to buy this motor :-
https://robokits.co.in/motors/encoder-dc-servo/faulhaber-coreless-17w-encoder-motor-120rpm-pid-dc-servo-drive?zenid=im3bp6grppt2f2ofdo2r6pq5c2
The datasheet of its ...
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1answer
115 views
MSP (Multiwii Serial Protocol) receiving data with pyMultiWii issue
I want to get telemetry data from my flight controller (Matek F405-CTR) and send control commands to it via MSP protocol.
I've already configured UART3 port on Matek in Inav configurator (look at pic)...
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1answer
22 views
RS-232/422, UART, usb sensor access code same? [closed]
Is the method to access all the sensors with RS-232/422, uart and usb sensors can be done in same way? Or by converting rs-232 to usb, uart to usb can they be programmed in same as usb from linux?
...
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1answer
25 views
how to access uart or serial sensors?
I want to connect ir range finder (dlem 20) with system running linux kernel. It looks like they don't provide any kind of sdk or drivers for their products. So how should i get data from such sensors ...
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0answers
18 views
accessing serial and ethercat devices
I want to, ask is accessing all the serial devices/sensors eg. RS-422, RS-232 done in same way? And also is accessing all the devices in market with ethercat connection can be done in same way? For ...
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3answers
99 views
Create 2 losing serial communication after toggling full to passive while charging
We are having an issue where after toggling the create 2 from passive to active, then waiting a few seconds and toggling back to passive while on the charger, all serial communication fails a certain ...
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1answer
143 views
Can I use another GPIO pin on the Pi 3 as a RX UART?
I accidently plugged 5v in to the RX UART pin 15 on my Pi, now I'm unable to receive communication on this pin from my connected device. I was wondering if it's possible to use a different GPIO pin as ...
0
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1answer
225 views
Build a drone with a raspberry pi 2 as receiver for the CC3D-LibrePilot
I tried to get the yaw, roll, pitch and throttel integers from the pi to the CC3D with python and c++ as PWM signal over the GPIOs but the output didn't seem to be right or it was delayed.
Could ...
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1answer
273 views
Programming Roomba other than Create 2 using RaspberryPi [duplicate]
Do other Roombas have an Open Interface like the Create2? Can I send commands to my 780 like the Create 2?
I am trying to control my Roomba 780 I made a 8pin FDTI connector to USB and my roomba beep ...
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1answer
39 views
Communication between Intel Edison and Open Mv7
I'm trying to do a simple communication between an Intel Edison and Open Mv 7 Camera through UART (Tx/Rx). I assumed this would be a simple task but both sides receive "�". Both are using python, the ...
3
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1answer
48 views
iRobot Create 2 -language set error type 2
I have an iRobot Create 2 and I am connected to it with the 7-pin connector to a desktop machine via USB. Serial communication is working fine under that configuration. I can tell it to restart with ...
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2answers
316 views
Irobot Create 2 Open Interface Communication
I am able to connect the create 2 robot to my laptop with a serial cable. I am using putty_beta terminal to run. I am not able to key in commands in the terminal. but I am able to receive information ...
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2answers
11k views
how to read and write data with pyserial at same time
How can i make pyserial read and write at same time or at same program? Right now i only know how to either write or to read but not both simultaneiously. So how can i do it? I tried this simple code:
...
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1answer
108 views
DX100 controller communication protocol
I have a motoman robot for use in a pick and place application. It has a DX100 controller which has an ethernet interface which could be used to control a slave device using the Modbus TCP protocol.
...
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1answer
60 views
How to remotely send command to a robot connected to a separate machine through serial port?
I work with a XL20 robotic tube sorter(lets say it's called X) which is connected to lets say computer(Y - IP: 10.216.1.222 - Running win7) through serial(com port 8 at 9600 baud and odd parity). If I ...
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2answers
243 views
Does iRobot 681 have a serial interface?
I've read that recent Roomba 6XX from iRobot got a serial connector, but I removed the cover on my Roomba 681, and I haven't found any. From what I've found, 681 hasn't the same cover than other 6XX ...
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1answer
540 views
Reading multiple signed digits from serial port
I'm using simulink support package for arduino to read serial data from port2 in Arduino due. My plan is to read signed integers (-415 for example) representing motor speed and feed it to the pid ...
2
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1answer
276 views
“Updated” Help in iRobot create serial communication in Arduino
I am programming an iRobot Create to follow serial commands using Arduino Uno. I have written the library, and found the serial commands to move the robot forward in the iRobot manual, but I couldn't ...
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1answer
112 views
Cleanflight : 4 first channels not working and “Failed to open serial port”
I just finished assembling my new 250 quad which is equipped with an SP F3 Flight controller.
I think that I kinda bricked my FC in the first 10 minutes of configuring it:
I first plugged it in, ...
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3answers
700 views
Do I need the 5V to 3.3V level shifter?
I would like to follow the instructions here, to allow myself to control the Create2 with a Raspberry Pi 3.
However, this source, says that I need a level shifter to protect my Pi's circuitry from ...
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0answers
203 views
Irobot Create 2 drawing power from Pi [closed]
I am controlling an IRobot Create 2 with a raspberry pi, which I am powering with one of these:
https://www.adafruit.com/product/1566
(I know, I know, I should have just gotten power from the ...
0
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1answer
274 views
What software to use to send (OI) commands to Create 2. Using windows laptop and supplied Create 2 cable? [duplicate]
I read most of the iRobot Create 2 Open Interface (OI). It says send these serial commands to the Create 2 to get it to do the described action, but no suggestion of what software to use to send these ...
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1answer
93 views
create2 commands with an app called SERIAL
there is an app called SERIAL, available in the app store.
I've downloaded it on my mac and am experimenting with it, any ideas on how to send create2 OI commands using "Serial"?
so far it seems a ...
1
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1answer
2k views
Connecting a CC3D board with Raspberry Pi to get telemetry data
I want to get telemetry data in my Raspberry Pi that will be connected to a CC3D board either via USB cable or Serial communication. How can I get the data? I plan to have wifi communication between ...
2
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1answer
301 views
How do I get the Create 2 to communicate with a laptop via the serial to USB cable?
My computer will not recognize the Serial to USB cable. I have tried it on a Mac and an HP.
Is there a driver that I need to install? If it is supposed to install automatically, it is not.
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0answers
95 views
increase current draw from serial port of icreate 2
This is from the icreate 2's document:
"Pins 1 and 2 (Vpwr) are connected to the Roomba battery through a 200 mA PTC resettable fuse. The continuous draw from these two pins together should not exceed ...
0
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1answer
483 views
iRobot Create 2 serial battery power
I don's seem to be able to get any battery power from Create 2. I spliced the original cable it came with, and tried to use the power from red/purple(+) and yellow/orange(-) to power a Raspberry Pi2, ...
3
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2answers
786 views
iRobot Create Serial Cable for Turtlebot I
I need an iRobot Create Serial Cable (one end 7-pin Mini-DIN Connector and the other end is USB) for Turtlebot I. How can I connect my bot to my PC?
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1answer
387 views
Using 2x UARTs on STM32F072RB
I am trying to use 2x UARTs with ChibiOS on the STM32F072RB Nucleo Board.
I initialized UART2 but I am still getting output on UART1 pins, which is totally weird.
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1answer
79 views
Is it possible to have A/V feed and serial communication on an RF transceiver at the same time on an Arduino?
Is it possible to transmit live audio/video feed and at the same time, receive commands through UART using only 1 RF transceiver connected to the Arduino board?
I want to control the Arduino through ...
0
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1answer
104 views
Best practice to write a ROS service for a serial-communication class with many options
I have been asked to write code to implement serial communications with a camera in order to control its pedestal (movable base) as well as set a few dozen other camera options. The catch is that I ...
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2answers
2k views
Communicating between a beaglebone black and an arduino using ttyO4
I'm trying to get an arduino to talk with a beaglebone black.
I have followed this tutorial for getting ttyO4 open on the BBB and used the following command on to set the serial line correctly:
...
2
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1answer
420 views
To control an omni wheel robot wirelessly using bluetooth and arduino
I am trying to control an omni wheel robot which has 4 motors using 2 joysticks, plus there are some actuation switches which I want to control too. I am using arduino mega and a pair of bluetooth ...
1
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1answer
6k views
Connecting an Arduino uno with a beaglebone black over USB
I have an arduino uno and a BeagleBone black and would like them to talk with eachother. Both the beagleBone and the arduino have their own 5V power supplies so no need for power to be transferred ...
2
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1answer
538 views
Controlling Dynamixel servo wirelessly using Arduino Mega
I am planning to control multiple Dynamixel servos (MX28T or MX-64T) wirelessly using Arduino Mega. Since this servo uses serial communication, I need an additional serial port to interface with Xbee ...
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2answers
89 views
Is it possible to record only incoming data with realterm?
I am trying to test a sensor circuit I'm working on. Essentially, I am using RealTerm to send commands to the microcontroller and it is returning the value read by the sensor.
When logging to a file ...
1
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1answer
46 views
MCBL Controller through RS232
I'm trying to use the MCBL Controller by Faulhaber to control my motor. I'm trying to program some sort of driver on linux using the serial connection and libserial. But it does not seem to be working ...
0
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3answers
2k views
Any image transfer protocol for wireless serial transfer?
I want to send image over wireless serial communication. I am planning to capture images using either raspberry pi or stm32 mcu using DCMI and then transfer image using wireless serial communication ...
2
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1answer
51 views
arduino serial mixing incoming commands
In my project i'm aiming to control a quadruped robot from my android phone using raspberry pi as a middle device (web server). In order to make sure that the server on RPi working fine i googled and ...
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1answer
834 views
Help sending serial command to Roomba
I have a Raspberry Pi hooked up to a Roomba 560's serial port. While going over the spec, I noticed movement controls weren't as simple as I expected. I can't send bytes larger than 255, but, ...
2
votes
1answer
165 views
Arduino Uno getting a type of “HANGED” while runing samll code of switc debounce and Serial print
I am using Arduino UNO to read a push button every time it is pressed.Earlier i was simply reading the Digital IO pin to read the count and then i faced the condition of switch debounce regarding ...
3
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2answers
3k views
Unable to read pushbutton press properly in Arduino
I am trying to use a push button in order to know and print number of time a push button is pressed using a counter.But everytime i press the button , counter get incremented to sometime 3 and ...
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7answers
19k views
Bluetooth module HC-05 giving ERROR :(0)
I am working right now with Arduino UNO and HC-05 bluetooth module.I followed the instruction given on this link for wiring. So there are 2 mode of working with this HC-05 module
Simple serial ...
2
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3answers
1k views
Controlling Robots Through Serial
I recently have been working on a little project. Unfortunately, I've ran into a bit of a road block with controlling servos using serial commands. The servos do appear to move when i put in any ...
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1answer
895 views
problem in serial communication between PC and ATMEGA 8535(AVR)
I have written code to send data from controller to pc through serialport using interrupt
but it echos garbage value exactly 3 times back.
...
1
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0answers
668 views
Firmata over nRF24
I'm having some technical problems... I'm trying to use Firmata for arduino but over nrf24, not over Serial interface. I have tested nRF24 communication and it's fine. I have also tested Firmata over ...
6
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5answers
4k views
How to calculate serial speed and buffer requirements for PC to microcontroller communications?
A common scenario is to have a PC that sends commands to a microcontroller via RS232. My PC program is sending commands (each of which are composed of multiple bytes) as fast as it can to a small ...
