476 Comments  →
   by Dost Muhammad Shah    476 Comments  →
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simcom modules firmware collection

Here I am trying to make a collection of firmware (simcom modules firmware) and release notes for Simcom Sim900 and other Simcom GSM/GPRS modules

You may upload the files that you have to share with others and they would be available in the user Uploads folder below. I may filter them time to time and put them in the relative folders.

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2 Comments  →
   by Dost Muhammad Shah    2 Comments  →

simcom modules firmware collection

Here I am trying to make a collection of firmware (simcom modules firmware) and release notes for Simcom SIM800 series GSM/GPRS modules

You may upload the files that you have to share with others and they would be available in the user Uploads folder below. I may filter them time to time and put them in the relative folders.

Continue reading


2 Comments  →
   by Dost Muhammad Shah    2 Comments  →

simcom modules firmware collection

Here I am trying to make a collection of firmware (simcom modules firmware) and release notes for Simcom SIM800 series GSM/GPRS modules

You may upload the files that you have to share with others and they would be available in the user Uploads folder below. I may filter them time to time and put them in the relative folders.

Continue reading


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The code snippet below will check if the passed string is a valid IP address or not .
An Internet Protocol address (IP address) is a numerical label assigned to each device participating in a computer network that uses the Internet Protocol for communication. Read more about IP address here. This snippet will validate IP version 4 addresses.

/**
 * validate IP address
 * @param String IP address to verify
 * @return Boolean result
 */
public static Boolean isIP(String input) {
    if (input!= null && !input.isEmpty()) {
        //Regex
        String regex = "^((25[0-5])|(2[0-4]\\d)|(1\\d\\d)|([1-9]\\d)|\\d)(\\.((25[0-5])|(2[0-4]\\d)|(1\\d\\d)|([1-9]\\d)|\\d)){3}$";
        //check if input matches the regex
        if (text.matches(regex)) {
            // valid ip
            return true;
        } else {
            // invalid ip
            return false;
        }
    }
    // invalid input
    return false;
}  


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Today at the Open Hardware Summit in Portland, Alicia Gibb and Michael Weinberg of the Open Source Hardware Association (OSHWA) launched the Open Source Hardware Certification program. It’s live, and you can certify your own hardware as Open Hardware right now
http://hackaday.com/2016/10/07/certification-for-open-source-hardware-anounced/