Friday, December 19, 2025
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EMBEDDED SYSTEMS: FAST TRACK FOR SMART BRAINS

Most of the electronic devices around us contain a processor with some embedded software. Unlike desktop computers, which can be programmed to do any...

Pulse Counter Using AT89C4051

Pulse counters are widely used in our day-to-day life. Almost all museums and theaters have a visitor counter installed at entry exit to measure...

Designing Low Power Products Using MSP430 Microcontroller

The use of battery-operated electronics gadgets is increasing fast in our daily lives. Products are expected to be versatile, while consuming minimal power. Reduced...

Microcontroller-Based Ring Tone Player

Mobile phone ring tones sound like real audio recordings. It’s not because of the way the melodies are composed, but the protocol behind playing...

Put Coin And Draw Power

Built on the lines of payphones, here is an automatic coin collection device for payloads like lamps and air-conditioners to be used on a...

Cellphone-Based Device Control With Voice Acknowledgement

Here is a circuit that lets you operate your home appliances like lights and water pump from your office or any other remote place....

PIC16F877A-Based Temperature Monitoring System

Temperature monitoring and control is important in industry environments. Sensors are widely used for measurement of temperature. Usually, a temperature sensor converts the temperature...

Eight Channel Data Acquisition And Logging System

In environments like factories, power plants and transformers in electricity substations, controlling temperature to a safe value is important. Supervisory and control systems are...

Microcontroller-Based Moving Message Display

LED-based moving-message displays are becoming popular for transmitting information to large groups of people quickly. These can be used indoors or outdoors. We can...

Secure Digital Access System using iButton

Access control forms a vital link in a security chain. Here we describe a secure digital access system using iButton that allows only authorised...