In our previous tutorial (Part 1) we have seen the very basics of BLE. Now we will see Bluetooth Low Energy (BLE) Introduction Part 2. In this part we will discuss the BLE Protocol stack. Before that quick … Read more
Bluetooth is one of the most popular wireless protocols, and it has been available in smartphones, computers, and other devices for over a decade. Most of us are familiar with Bluetooth and how Bluetooth can allow us to connect a … Read more
If you read this tutorial you will come to know the answer of How Does RFID Works?
RFID is an acronym for “Radio-Frequency Identification” and refers to a technology whereby digital data encoded in RFID tags or … Read more
In this Tutorial we are going to see ULN2803 Relay Driver Working Function. Let’s Start.
Introduction of ULN2803
The ULN2803 is a high-voltage, high-current Darlington transistor array. The device consists of eight NPN Darlington pairs that feature high-voltage outputs with … Read more
Hi all… Today we will see L293d Motor Driver Working Operation.
Even the simplest robot requires a motor to rotate a wheel or performs particular action. Since motors require more current then the microcontroller pin can typically generate, you … Read more
In this tutorial we will see what is ultrasonic sensor and applications of ultrasonic sensor and it’s characteristics. Let’s start..
What is an Ultrasonic Sensor?
An Ultrasonic sensor is a device that can measure the distance to an object by … Read more
Most of the applications of embedded systems require keypads to take the user inputs, especially in case where an application requires more number of keys. With simple architecture and easy interfacing procedure, matrix keypads are replacing normal push-buttons by … Read more
GSM/GPRS Modem-RS232 is built with Dual Band GSM/GPRS engine- SIM900A, works on frequencies 900/ 1800 MHz. The Modem is coming with RS232 interface,which allows you connect PC as well as microcontroller with RS232 Chip(MAX232). The baud rate is configurable … Read more