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.
Matrix style keypads with Arduino is very handy and easy to use for any input required. It can be used to enter passwords, control games and robots. What is needed Arduino UNO Keypad 4*4 ( you can also use 4*3 keypad…
In this article I am going to calculate distance using HC-SR04 and raspberry pi. The HC-SR04 Ultrasonic sensor that I am going to use here has four pins: Ground (GND) Echo Pulse Output (ECHO) Trigger Pulse Input (TRIG) and 5V…
In this post I will show you how you can use Google sheets for stock analysis. Only prerequisite is you need to have a google account and some basic spreadsheet knowledge. Here are step by step approach to build Google…
Introduction The Arduino Pro Mini is a low-cost, and small size arduino board with the minimum of components (no on-board USB or pin headers). This makes it a good choice for a board you want to leave embedded in a…
Introduction This project is improved version of the router ups which I published last year. In this project I am using TP5100 module along with battery protection board, DC-DC boost module and a capacity of 2 ampere current. This is…
Introduction Raspberry Pi configuration allows you to set the temperature to control raspberry pi fan on But there is a limitation to it. It only allows you to set temperature from 60 degree to 120 degree. What if you need…
Introduction Magic Mirror is an open source modular smart mirror platform. These Raspberry Pi smart mirrors can tell you the time, date, weather, and more. This is one of the very popular raspberry pi project. This can be installed in…
Introduction In this project we will read the temperature from the in built temperature sensor and then display it on OLED display. This is a very basic project and help you in understanding how to use Pi PICO. For details…
Introduction This project to make WIFI router UPS was inspired by continuous work from home requirement during lockdown. In our area when the power from the electricity board goes off, there is some lag in switching to power backup. Because of…