Flash Twenty LEDs Using Arduino
Presented here is the circuit that drives twenty LEDs in a random manner. LED flashers and sequencers are used in decorative lights to give...
Implementing a Low Cost, Battery Powered, TDS Meter Using MCU and PSoC
One of the common method in determining the quality of water is the measurement of Total Dissolved Solids (TDS). TDS meter is a widely...
Fastest Finger First System Using Raspberry Pi
Fastest finger first system are used in school, college and TV contests. The team which presses their push-button switch first is entitled to answer...
Make A Digital Distance Meter With Arduino
This is a very simple digital distance meter, which you can add to your water-level indicator circuit to show water level in a tank,...
Program Arduino With Your Android Device
As you may already know, using a USB OTG (on-the-go) adaptor, you can connect pen drives, game controllers, etc to your Android device. This...
Door-Ajar Alert with Countdown Timer
Ever accidentally left your room door ajar for a long period of time and found your valuables missing? Here is an intelligent solution for...
Smart Car Back Camera And Collision Protection
Most people use the side and rear-view mirrors to manoeuvre their cars since a camera installed at the back of the car can be...
Four-Channel Video and Audio Sequencer
Presented here is a simple circuit for switching your CCTV camera outputs sequentially.It switches four video and audio channels sequentially, one at a time.
Circuit...
Monitor Live Temperature Through IoT-Based System Using IBM Bluemix
The system presented here monitor live temperature through the Internet of Things (IoT)-based system using IBM Bluemix cloud platform and Mbed NXP LPC1768 development...
Smart GPS Geofencing System
Geofencing is one of the greatest technologies of the 21st century. It has a multitude of applications such as car tracking and parcel location...
Make Your Own GSM Security Switch To Prevent Vehicle Theft
This simple GSM security switch project is based on Arduino Nano microcontroller (MCU) and SIM800L GSM modem (Fig. 1).
The cellular-based alert system is configured...
COVID-19 Fencing System & Contact Traceability
COVID-19 is a highly infectious and easily contractable virus that can become extremely hard to control once it begins to spread. Social isolation/distancing is...
Corona COVID-19 Detection Device
This is a concept DIY of COVID-19 Corona Detection Device that helps to detect the symptoms of COVID-19, so as to help individuals quarantine themselves...
Bipolar Power Supply With Adjustable Regulators
LM317T and LM337T ICs are well-known, low-cost adjustable voltage regulators capable of delivering up to 1.5A current output with power dissipation of up to...
Make This Joystick-Controlled Industrial Automation System
This project can be used to control up to four industrial electrical appliances with the help of a joystick and an Arduino Nano board....
Smart GSM Based Anti Drunk Car Alert System
Accidents due to drunk driving are a common occurrence in metropolitan cities. Albeit helpful, constructing checkpoints at different locations is a cumbersome job and...
Bluetooth Based Smart Public Announcement Board
We are all familiar with how notice boards in schools, offices, colleges and railway platforms look like. But have you ever wondered how they...
Smart Inclinometer & Multi-Purpose Measurement Device
Today, we are going to make an ‘all-in-one’ measurement device/instrument, which consists of a digital inclinometer, compass and protractor. It also includes a health...