device

Send and Receive SMS

How to Interface a GSM (SIM 300) Modem with ATmega32 to Send and Receive SMS

What is a GSM Modem? GSM stands for Global System for Mobile Communications.It is a standard set developed by the EuropeanTelecommunications Standards Institute (ETSI) to describe protocols for second generation (2G) digital cellular networks used by mobilephones. A Modem is a device which modulates and demodulates signals as required to meet the communication requirements.It modulates […]

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Pololu USB

Pololu USB AVR Programmer User’s Guide Using Atmega

Overview The Pololu USB AVR programmer [http://www.pololu.com/product/1300] is a programmer for Atmel’s AVR microcontrollers and controller boards based on these MCUs, such as Pololu Orangutan robot controllers [http://www.pololu.com/category/8/robot-controllers] and the 3pi robot [http://www.pololu.com/product/975]. The programmer emulates an STK500 on a virtual serial port, making it compatible with standard AVR programming software. Two additional features help

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Raspberry Pi IoT device [RASa].

A Simplified Secure Programming Platform for Internet of Things Devices Using Atmega

INTRODUCTION The Internet of Things (IoT) devices have become very popular in various critical and non-critical usage fields. Many people have started to use IoT devices realizing their benefits in their lives and scientific research [MSPC12, CGOF13]. Because of the popularity of IoT devices, developers gravitate toward the development of IoT applications. These applications utilize

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TW Devices

Working with TWI (I2C) sensors / Devices Using Atmega

Introduction The I2C is a multimaster, multislave serial single-ended computer bus and was invented by Philips in 1982. The atmel microcontrollers use a compatible  to I2C serial bus that is named TWI (Two Wire Interface). The  TWI supports serial communication at 100 kHz and 400 kHz. The master and slave devices that are connected to TWI bus have a

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Reflow Soldering Oven (1)

The Reflow Soldering Oven with LCD Display using ATmega32

Introduction Our project consists of making a reflow soldering device using a normal toaster oven with a graphical LCD display for control and GUI. Soldering is an important and difficult task for custom printed circuit board design especially for integrated circuits that come as chip packages that are impossible to solder by hand. This is

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