Tech Story

It is believed that Blockchain is a new age technology that is solution waiting for a host of problems. There is no doubt that it is a new wonder in the …

Satoshi Nakamoto released the first bitcoin software as open source code in January 2009. He later renamed it to “Bitcoin Core” to differentiate it from Bitcoin network. Bitcoin Core …

Bitcoin emerged out of the 2008 global economic crisis when big banks were caught misusing borrowers’ money, manipulating the system, and charging exorbitant fees. To address such issues, Bitcoin …

The tutorial begins by introducing what bitcoins are, then proceeds with the installation of the bitcoin client software and wallets to make bitcoins transactions possible. It also discusses bitcoin …

The CC3000 WiFi module from Texas Instruments is a small silver package, which finally brings easy-to-use, affordable WiFi functionality to your Arduino projects. It uses SPI for communication (not …

The wireless transmitter and receiver modules work at 315 Mhz. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data …

In this chapter, we will use the Arduino Tone Library. It is nothing but an Arduino Library, which produces square-wave of a specified frequency (and 50% duty cycle) on …

A Stepper Motor or a step motor is a brushless, synchronous motor, which divides a full rotation into a number of steps. Unlike a brushless DC motor, which rotates …

A Servo Motor is a small device that has an output shaft. This shaft can be positioned to specific angular positions by sending the servo a coded signal. As …

In this chapter, we will interface different types of motors with the Arduino board (UNO) and show you how to connect the motor and drive it from your board. …

Pushbuttons or switches connect two open terminals in a circuit. This example turns on the LED on pin 2 when you press the pushbutton switch connected to pin 8. …

The HC-SR04 ultrasonic sensor uses SONAR to determine the distance of an object just like the bats do. It offers excellent non-contact range detection with high accuracy and stable …