An IoT-based smart lighting system using Arduino controls LED brightness based on ambient light via an LDR sensor. Users can wirelessly switch the system ON/OFF using Bluetooth. PWM is used to adjust ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Continue reading → Posted in Arduino Hacks Tagged arduino, breakout, calculator, calendar, computer, game, memory, nano, pc, pda, phonebook, pocket, stopwatch ...

Tested by our CNET fitness expert and recommended by the personal trainers we consulted, these are the best chest strap heart-rate monitors for your workouts.

What's the best type of smoke alarm for my home? Optical smoke alarms Optical (or photoelectric) alarms are light sensors containing an infra-red LED, which pulses a beam of light into the sensor ...

Looking for an alarm system to make you feel more secure? We've tested all the best professional and DIY home security systems to help you decide which is right to protect your family and property.

These sensors provide data that serve as input to the Arduino which results in boom barriers to function accordingly. The prototype simulated traffic challenges at traffic intersections with ...

This paper presents a novel Programmable Optically Variable Resistor (POVR) that provides a wide, continuously adjustable resistance range using an LED-LDR (Light Emitting Diode-Light Dependent ...

💡 Automatic Street Light system using LDR and transistor to turn ON lights in darkness and OFF in daylight. 🛠️ Built using basic electronic components and simulated on Tinkercad. - SabareshKrishna/ ...