4x4x4 RGB LED Cube
This article describes how to build a 4x4x4 RGB LED CUBE (Fig. 6) that is controlled by Arduino.
Cube construction
We need 64 common cathode RGB LEDs for our cube. Test all LEDs...
ESP32 (Non-Standard) GPS Receiver
Introduction
GNSS – GG-1802 ($5 a piece)
Sometimes things do not fall in place and we curse ourselves for taking the wrong turn or making the wrong choices. But in P B Shelly's...
Corona Protected Automatic Doorbell
We all have seen a physical doorbell outside the buildings. It is very useful; but in current scenarios where dangerous diseases like corona spreading exponentially in the entire world, the physical...
Low-Cost Universal Dual Channel Audio Checking And Troubleshooting Tool
Frequently, we are in need to do audio troubleshooting of electrical and electronic components, installations and equipment. E.g. we may need to check, test and evaluate:
microphones
loudspeakers
headphones
audio filters
preamplifiers
the...
Touch Switch Panel
How many times do we use an electric switch in a day? So often that it has become secondary nature and no one keeps a count. The mechanical switch, which is...
Image Processing Based Fire Detection & Extinguisher System Using Arduino
This is an image processing based fire detection and extinguisher system using Arduino. It is basically the system is divided into two parts:
Fire detection
2. Fire alert and extinguisher
In the first...
Make Your Own Smart Card
In this project, we would be designing a Smart Card using Radio-frequency identification (RFID) tags. This smart card records previous journeys of the users and stations names. This project is based...
Cyclic Temperature Heating & Cooling Control System
This project proposes a Peltier element based cyclic thermoelectric heating and cooling system with precise temperature control by using PID controller with microcontroller. In this project I have used Peltier Thermoelectric...
Real Time Temperature and Image Tweet Using Raspberry Pi and Twitter API
Introduction
When distributive system of top technologies and strategies adopted Internet of Things, social medias like twitter has become focused sessions through which we reach people locally, regionally, nationally and internationally to...
Weather Forecasting on ESP32
In any power utility corporation ash dyke management is a huge issue. For fugitive dust control huge sprinklers that spray water all along the dry portion of the dyke are used...
