Recently i'm working on IOT project that needs to send data from ESP32 development board to web browser and mobile devices using MQTT protocol. The MQTT connection between the board and other clients didn't have problems using standard/native MQTT protocol, but it came into problem when the client … Continue Reading
Programming
How to Programmatically Restart the ESP32 Board
ESP32 development board is one of the popular board across the IOT developer community. It is because the board itself packed with two built-in communication features, Wifi and Bluetooth (BLE). When … Continue Reading
How to Get Hardware Info of ESP32
With the increasing popular of IOT technologies, there are also available development boards from many manufacturers. One of popular board is ESP32 which comes with integrated wifi and bluetooth (BLE) … Continue Reading
Eclipse Issue on Os X Yosemite – To open “Eclipse” you need to install the legacy Java SE 6 runtime
Recently i just upgraded my Macbook Pro to the new Macbook Retina Display (mid 2014) that comes default with OS X Yosemite 10.10.1. After installing Java JDK 1.8, all my Android IDE (Eclipse and … Continue Reading
Blue Bamboo P25 Printer Android Demo Application With Source Code
Blue Bamboo P25 printer is a lightweight and portable thermal printer that provides low cost printing in mobile and wireless environments. It supports mobile application printing over Bluetooth, USB … Continue Reading
How to Programmatically Pair or Unpair Android Bluetooth Device
In bluetooth wireless communication, if two devices want to connect and share data, they have to be paired first. To be paired means the two devices are aware of each other's existence and trusted … Continue Reading
How to Programmatically Scan or Discover Android Bluetooth Devices
Through Android Bluetooth API, developers can access most of bluetooth functionalities and let the applications wirelessly connect to bluetooth devices. Before connecting to a device, an application … Continue Reading
Gadgets
New BBM for Android V2.0 is Out, Brings Channels, Voice, Location Sharing, Tons of New Emoticons, Larger Groups and More
Good news for BBM users, new version 2.0 is currently available on Google Store. This new update brings a lot of changes and new features. BBM Voice – Free voice calls between BBM contacts (Android, Blackberry, Iphone) BBM Channels – join conversations happening now with BBM users, brands, businesses, communities and more Faster and easier […]
Android Tips: How to Place Image or Logo at The Center of Actionbar
When building an Android application, sometimes we need to put application logo at the center of Actionbar. Android doesn’t provide a straight method to place a logo image at the center of Actionbar so we have to make a custom layout contains the logo image and place it on Actionbar using custom view. This sample […]
Recent Comments