Tagged Questions

3
votes
2answers
90 views

“Wireless” USB cable, via RF / 3G

I'm looking into the feasibility of a project to develop a USB-over-RF device for physical penetration testing engagements. The idea is that our tester could connect a device to a USB port on a ...
-1
votes
1answer
58 views

XBee Design and UART characteristics

I want to connect XBee to PC , does xbee send serial data or need UART to do that ?
4
votes
2answers
65 views

Xbee to act as wireless i/o extension

I want to have an arduino with an xbee (call it xbee1) connected to it and another wireless xbee (call it xbee2) communicating with xbee1. Then I would have DIO1 on xbee2 acting as a digital input and ...
1
vote
0answers
125 views

why xbee communication is not done | pic18f4520

Why xbee communication is not satisfied, I do not understand. The reason is like complicated. Can you help me ? I have send data as ; TXREG = 'e'; I have xbee ...
2
votes
1answer
270 views

Xbee traffic/bandwidth limitations for a real-time-ish application

I am planning on making a wireless sensor network with 4 Xbees going to 1 Coordinator. I want each of the sensor nodes to transmit continuously at ~5Hz. Is this feasible with Xbees? What sort of ...
7
votes
1answer
993 views

Suggestions for 1-5 km range wireless communication?

I am developing a VOIP application. Most clients use a wired Ethernet connection, but some of the clients need to have a wireless connection. Currently the core board is using: Cortex-A8 (TI AM3359) ...
0
votes
3answers
280 views

Suggestions for a Point-to-Point reliable Wireless Communication Module

I've to implement a wireless communication system. Details are as follows. Range is about 600m Point-to-point communication No LoS is available. (but not highly obstructed) Won't need much higher ...
1
vote
2answers
785 views

Web connection through Arduino with WiFi

I'd like to be able to make an HTTP request on the web to a specific server from my Arduino. I already have a Wireless SD Shield, and I am wondering if what I want to do is possible / what I would ...
0
votes
2answers
311 views

UDP Like Protocol for XBee

My situation is as follows, I have a robot that has 4 motor controllers attached to an arduino that has a xbee series 1 connected. Xbee has its default settings except baudrate which is set to 57600. ...
2
votes
1answer
768 views

XBee wireless module not responding any more

I bought an XBee-PRO S1 .. I built its serial explorer to be able to configure it through the PC, I’m using X-CTU to configure and test it at first it worked well,I made test/query successfully ...
3
votes
3answers
514 views

Telemetry Antenna

I am developing a telemetry system for a solar car. I am going to be using xbee chips to communicate from the base-station/chase-car to the solar car. The xbee chips are 900MHZ, or 2.4ghz. I am ...
8
votes
4answers
945 views

What is a good communicaton device among teensy and arduino besides “XBees”

I have been using XBees to communicate my teensies so far. However, as you know, XBees are really expensive and when I want multiple devices to communicate with each other, I have to pay for several ...
1
vote
2answers
390 views

How does temperature affect wireless transmission?

I'm working with Xbee Pro with wire antenna to transmit data from inside a refrigerator. The receptor outside is the Xbee with RPSMA antenna. I use an extern MCU to control the data transmission, ...
5
votes
3answers
506 views

Rather complicated sensor network

I was working on a project recently and it was the first one which was involved enough to make the sensor networking complicated. In the end, I think the communication was the bottleneck in terms of ...
2
votes
2answers
993 views

Combine a low power XBee receiver with high power XBee transmitter in a model rocket

Have got some existing low power 2mW XBee series 2 with an Explorer that I've used successfully to communicate between a PC with the XBee Explorer and a remote Arduino based project. I'd now like to ...
3
votes
3answers
2k views

XBee dropping packets and actual data rate lower than expected

I am transmitting continuously at 9600 bps using the default configurations for both my XBees XB24-B. The communication is one way only, the transmitter is connected to the ATMega328 UART and the ...
16
votes
1answer
6k views

What is XBee and how is it different from Zigbee?

It's easy to get an introductory explanation of Zigbee. Zigbee on Wikipedia Home networking with Zigbee Zigbee alliance But technical information on XBee seems harder to find. It's unclear to me ...