Electronics

How to make your own relay module

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What is a relay? A relay in an electromagnetic device that is activated by a low voltage ranging from 3-12 v. When the electromagnet is activated it pulls a contact to make or break high voltage circuit. A simple relay looks like  following:     A sample relay module: Note that the above circuit is […]

How-To

How to save money using Recurring deposit

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In this post I will explain you on how you can save money using recurring deposit. Most of you might have some or the other Insurance for which you pay yearly premiums. If you are from India, LIC/HDFC or ICICI Prudenial  Insurance are very common for not just life cover but also for tax savings. […]

Electronics

How to use Azure IOTHub – Part 2

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Introduction In the previous part we have seen how to configure Azure for IOTHub. In this post we will cover setting up the Raspberry Pi and connecting it to the sensor and sending the data to Azure IOTHub. For more details on How to use Azure IOT Hub – Part 1 click here Setup Raspberry […]

How-To

How to use Azure IOT Hub – Part 1

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Introduction In this part we will cover how to configure Azure IOT hub and make it ready for using it with Raspberry Pi or ESP8266 boards. Things that you Need An ESP8266 Dev board or Raspberry Pi 2 or 3 or Pie Zero W or Node MCU. I will be using Raspberry Pi 2 An […]

Electronics

Pocket size FM receiver

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Below is the circuit idea for pocket size FM receiver using RF transistors. The circuit works off a small 4.5 volt battery or 5v USB. The heart of the circuit is the two RF transistors T1 and T2 to detect the Frequency Modulated signals.Coil L1 and the trimmer capacitor form the tuned circuit to tune […]

How-To

Raspberry pi as print server

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Making Raspberry pi as print server will help you in making your printer wireless. What you need ? Raspberry pi USB wireless dongle. USB Printer I am assuming that you have already setup raspberry pi with suitable OS.  Make sure that is is updated to latest version. To do so follow the following commands. sudo […]

Electronics

How to make digital clock using Arduino and DS1302

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To make a digital clock using Arduino and DS1302 we need following materials. Arduino UNO ( you can use any arduino) 16*2 LCD display DS1302 module/chip 1.2 k resistance Variable resistance 10k Pot Make the connections as mentioned below: Connecting the LCD: VSS –> GND Arduino VDP –> 5V Arduino VO –> output potentiometer (potentiometer […]

Electronics

Top 8 Post of 2017

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Summarizing the year with top post of the year 2017 Optimize Azure cost using automation account How to Install Linux Bash shell on Windows 10 UI Automation using Appium and WinAppDriver   How to Measure DevOps Success? Home Automation using Arduino UNO How to set-up Wireless on your Raspberry Pi Web server on raspberry pi […]