Vibration Activated Smart CRO Probe
Here is a simple, low-cost, energy-saving and device-saving circuit for an electronics lab, service centre, electronics workshop, or wherever a CRO is in use.
Microcontroller Projects: ATmega16A Based GPS Receiver
A global positioning system (GPS) receiver is used to get precise geographical location by receiving information from satellites. It not only gives information about...
Arduino Projects: Pre-Primary Tutor
A simple Pre-Primary Tutor tutor for kids is presented here. An Arduino board (or its equivalent Freeduino), three tactile switches and a 16x2 LCD...
Sequential Timer for DC Motor Control
Most industrial processes require rotation of the motors in forward and reverse directions for desired periods. One good example is the automated bottle filling...
Microcontroller Projects: Sonar Water-Level Meter
Three-fourths of the earth is water, out of which 97 per cent is saline (in oceans, seas and groundwater). The remaining 2.5 per cent...
Calculator Using Postfix Notation
Presented here is a handy postfix notation system that can do your calculations in practically no time, and that too without changing the source code. It can even handle parenthesis and algebraic operator precedence.
Arduino Projects: Android Phone Controlled Robot
Android smartphones are undoubtedly the most popular gadgets these days. You will find various apps on the Internet that exploit inbuilt hardware in these...
Dynamic Display Using LED Strip
Surface-mount device (SMD) LEDs are becoming popular because of their low power consumption and high brightness. These LEDs are readily available in the market...
RTC-based Event Logger
Event log data is a unique source of information for security, audit, compliance and troubleshooting purposes. An event logger enables you to view the...
‘Space Invaders ‘Hand Video Game
A video game is an electronic game that involves human interaction with a user interface to generate visual feedback on a video monitor. Electronic...
Remote Control of Webcam Through Internet
Necessity is the mother of invention, and that’s how I could find a smart solution for controlling my webcam from a remote location where...
Device for Maintaining Car Batteries
When we do not drive our cars for extended periods of time, the abandoned rechargeable batteries become fully discharged. Sometimes, these get damaged, too.
Batteries...
Sequential Tilt-Motion Lock
Here is a project for locking and unlocking with a tilt sensor by tilting it in a defined sequence. It uses an accelerometer module...
Motion Detector Using NE555 Timer
This circuit is based on a passive infrared (PIR) sensor, which automatically switches on a device when someone comes close to it. It can...
See and Speak System Using Raspberry Pi
Imagine a machine that can see and speak, and is fully portable. It is surprising, right? In this article, we present a system based...
Oscilloscope As An Image Viewer
Cathode ray oscilloscope (CRO) is a versatile laboratory instrument which is used to display, measure and analyse electrical signals. It is nothing but a...
Modify Servo Motor for Continuous Movement
Servo motors are widely used in precise control applications, but most of them can rotate up to 180 degrees only. Presented here is a...
Interfacing Dot Matrix LED With Raspberry Pi
You will find in this article projects for interfacing an 8×8 and a 5×7 dot-matrix display with Raspberry Pi.
Since Raspberry Pi does not have...