CC1101 RSSI and LQI Test

This test is based on our basic CC1101 board, it is the basic version, not the highest signal strength, nor using the on-board MCU to simply the communication to serial port. So this board works at SPI originally. First what is LQI and RSSI, we copied an answer from this link to here briefly: LQI

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Cheap Dual-Band SIM900A GSM Module

As you may know, SIM900 is a quad band modem being able to operate in 850,900,1800,1900 MHz bands, while SIM900A is a dual band GSM modem being able to operate only in 900,1800 MHz bands. You can see the supported countries in the list below, however, the fastest way is to check the actual frequency

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Arduino W5100 Demo Test

Arduino W5100 Demo Test

1. Stack your W5100 shield on you arduino board,make sure all the pins contact OK. SIZE:   L-69MM    W-53.6MM 2. Download the test sketch 3. Connect your W5100 board and PC with cable(you may need a crossover cable if you direct connect PC and W5100)   4. Setting your local PC IP IP 地址 = IP address; 子网掩码 =

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Convert UART Data into Chart

Convert UART Data into Chart

When we are doing PID test or Kallman filtering via collecting data from arduino monitor, if any tool can send data bck to computer in real time, analyse, and then generate chart, that will very helpful. now this is a tool can do it. The SNV address of the software are http://code.google.com/p/serialchart/ How to configure it http://code.google.com/p/serialchart/wiki/ConfigurationFileSyntax

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