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Recently I just started learning Arduino and now I'm starting a learning project on which I'd connect more than 2 Arduino Uno powered devices via WiFi-direct(no access point, rather P2P group) and make serial communication over those devices.
After searching for a while I wasn't able to find any suggestion for WiFi-direct(P2P) implementation with Arduino. Any guideline or help content would be highly appreciated.
Thanks :)
wifi-direct can only make connections to the access point.
A device can only connect to one access point at time.
Anyway you can have an arduino to provide wifi-direct and then use that arduino to command other microcontrollers trough SoftwareSerial library and bluetooth.
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I am wondering is there HTTP/2 open source code/library (I will more likely to use it as client) that's light weighted, written in C, and runs on freertos?
I have did research of my own (C/C++ HTTP Client Library for Embedded Projects) and I also came to know about the demo code given by the FreeRTOS + TCP demo from FreeRTOS's TCP stack.
I am wondering if you guys know any open source code/library that's light weighted, written in C, and runs FreeRTOS and implements HTTP/2?
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I have beacon which has Texas Instrument's BLE cc2541 chip in it. I want to reprogram its advertising packets. Is there any free TI tool available to reprogram it. I saw on there website and full packages are available, which is too costly rather i want only developement software to reprogram my beacon. Any help?
In order to reprogram the microcontroller of the SensorTag (cc2541), you need to download the TI BLE Stack from this link:
http://www.ti.com/tool/ble-stack
The "Project" folder in the stack includes a "SensorTag" project folder. There is a project file in this folder named "SensorTag.eww", where you can program the microcontroller in the way you want.
You need an IDE named IAR Embedded Workbench to open the project file and perform the embedded programming. Unfortunately, it is not open source, but you have 30-days free trial:
http://www.iar.com/Products/IAR-Embedded-Workbench/8051/
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I am using an Arduino Uno running a 9 Degrees of Freedom Sensor Stick with a BlueSmirf Silver bluetooth module to wirelessly send the gyroscope, accelerometer, and magnetometer data to a processing sketch.
I would like to record and detect gestures so that I can send OSC messages to control various audio and video software. (I already know how to send OSC)
Are there any existing libraries that can take my data and analyze it against recorded gestures? I have looked into the ezGestures library however it seems it is only applicable to basic mouse movements.
Thank you!
James
For those of you who are interested I found a piece of software that handles this exactly.
http://www.wekinator.org/
Great for those of us who aren't computer learning experts.
Seeed Studio also made this gesture detection library available for free use.
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I need have a networking monitoring system that have these feature.
opensourced (must)
written by c/c++. (must)
async io mode (like io, must)
support ping, http, snmp, mysql, redis... protocal
The System must run with epoll mode so that run many test as there can, no blocking at all.
Is there any avaliable one?
I don't know if you looked on sourceforge for open source software, they have many rated network monitoring systems written in C and C++. Pandora is good but look around maybe you might find what you looking for there.>>> Link<<<
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Does anyone know where a good LabVIEW Tutorial on Serial Connections (RS232).
Any help is appreciated.
Thanks.
Pretty straightforward example:
http://www.ni.com/white-paper/2897/en
There are some complete apps in the Example directory. First of all, make sure that you don't have any hardware issues and check your serial port settings in OS configuration.
I hope you know that you can test your RS232 communication by connecting the Rx directly to the Tx pin.