Required to send data in wireless and a long distance? Why not try to use XBee for long distance communication. For this project, we are going to interface LM35 temperature sensor and LED to the PC/Laptop by using XBee with 2 way communication.


  1. Dear Sir,
    How are you?
    This is Yoseph from Wuhan Amate Technology Co., Ltd, a leading wireless temperature monitoring system & solution provider from China.

    Dear Sir, we came across your esteemed company info on the internet, and guess your esteemed company (specializing in similiar temperature measurement industry or logistics transportation) may have potential need or interest in our Wireless Temperature Monitoring/Measuring System or Solutions, thus we take the liberty to write to you, with hope of self-introduction & communication bridging.

    A brief introduction of us, Wuhan Amate has established on the base of two Chinese national key universities’ laboratories professionals in 2001. After more than 10 years development, featured in customer oriented and innovation-driven, we are now ranking among the top three Industrial Wireless Temperature Monitoring System Providers domestically. Our products mainly consist of Wireless Temperature Sensors/Transmitters, Wireless Temperature Display/Monitor/Data Logger/Data Receiver/Collector, Wireless Temperature Workstation/Data Server/Software that constitute the whole wireless temperature monitoring system.

    Dear Sir, should you are in the relevant field and have potential need of or interest in our wireless temperature monitoring systems or solutions, please feel free to contact us. If our info doesn’t appeal to you, we apologize for this boring “Email marketing” in advance and please kindly inform us to avoid further “junk emails”.

    And finally, we do appreciate your precious time of viewing this letter and looking forward to your favorable response..
    Best Regards,
    Yoseph Tsin Marketing Director
    Overseas Marketing & Sales Dept. of Wuhan Amate Technology Co., Ltd
    Add.: No.5 Building, Guandong Science Park, Wuhan East Lake National High-Tech
    Development Zone, Wuhan, Hubei
    Fax:+86-27-67849466 Skype:yoseph_amate
    Backup (MSN)

  2. hi,

    i need visual basic 2010 express code to control xbee io pins.

    i have two xbees one connected via usb cable to my computer and the other one is supply via a 3.3V battry and has an led connected through the pin 20.

    i need a code that sends data to switch the led on and off

    i tried this code but its not working.

    SerialPort1.Write (“20, 4”) ‘ suppose to switch on the led
    SerialPort1.Write (“20, 5”) ‘ suppose to switch off the led

    if the code i wrote is good then maybe its the config of the xbee which is wrong.

    what shoud the D0 (pin 20 ) be ; high, low, enable….?

    thanks for helping me out

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