Stepper Motor, Getting Started

Stepper motors are used in a wide variety of applications, including computer peripherals like printers, scanners, CD drives, camera lenses, etc. In this first article, in a series of articles on stepper motors, we will introduce the reader to the theory behind the working and control of a stepper motor …

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Sending SMS using GSM modem

A GSM modem is a specialised type of modem which accepts a SIM card, and operates over a subscription to a mobile operator, just like a mobile phone. These modems are more frequently connected to computers which allow the computers to communicate with the mobile network. They are most probably …

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Thermometer using temperature sensor(LM-35)

Generally Thermometer is used to measure the ambient temperature. This article explains you about how to design a simple Thermometer using a temperature sensor.


Figure 1. LM-35 Pin diagram

LM-35 is a device which tells you what the ambient temperature is. They use thermistors (temperature sensitive resistors) to measure …

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