28 min read Suppose you’re an iOS developer preparing for a job interview. In that case, these questions are best for you to qualify for your interview: I’ve collected over 100… Read More

Introduction to Bluetooth Bluetooth is wireless technology that is used for sharing of data between two devices placed over short distances using a short wavelength such as ultra-high-frequ… Read More

Lennart: I want to make a Ble Client, who sends Characteristics to a Server. But I get a NullPointerException. Can anyone help or know a good example?This is the ErrorCode:Caused by: java.la… Read More

Android device makers seemingly have no interest in creating a portable Android device that we can actually get some work done on. Samsung dances around the subject with some very nice table… Read More