A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
Introduction to OV7670 camera module The OV7670 image sensor is a small size, low voltage, single-chip VGA camera and CMOS image processor for all functions. It provides full-frame, sub-sampled or windowed 8-bit images in various formats, controlled through the Serial…
In this post we will connect the LCD to GPIO (General Purpose Input Output) pins of PI to display characters on it. We will write a program in PYTHON to send the appropriate commands to the LCD through GPIO and…
Introduction In this post I will help you in installing and configuring the LCD touch screen on Raspberry Pi. Most LCD touch screens come with an OS image that you can write on to your SD card and run it…
In this post we will HACK ATX power supply to use it as a bench top power supply which can be used for different electronics projects. Parts needed An ATX Power supply. You can salvage from your old desktop computer.…
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…
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…
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…
In this project we will learn to measure Humidity and temperature using DHT22 and Arduino. There are 2 version of the sensor DHT11 and DHT22. DHT22 sensor is more expensive and obviously has better performance and accuracy. Its temperature measure…
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…
To make a tachometer for bicycle tachometer we will be using Arduino and reed switch as the main component. We will design the tachometer to Display Speed and also temperature. Following are the list of components required. Parts list: Arduino…