ir sensor

With the rapid growth of IoT-based monitoring systems, staying informed about what’s happening in real time has become extremely important. Whether it’s detecting an intruder, monitoring equipment, or tracking activity, users need instant alerts without constantly checking dashboards or screens. Email notifications offer a simple and reliable way to receive detailed…

This guide shows you how to build a motion detection system that sends instant WhatsApp alerts using the compact XIAO-ESP32 development board. When the IR sensor detects movement, the board immediately transmits a notification to your phone through the CircuitDigest Cloud platform. This wireless approach eliminates the need for GSM hardware or SIM cards, relying…

In this project, we integrate the GP2Y0D810Z0F distance sensor to the Arduino UNO and display the detection result on the 16x2 I2C LCD screen and the Serial Monitor. The sensor is designed for quick on and off detection within a set distance of about 10 cm. This is great for detecting obstacles, sensing presence, and handling simple automation jobs. At the end of…

By Aditya Shekhar Das

Medication adherence is one of the most critical challenges in modern healthcare. Patients with chronic conditions often need to take multiple medicines at specific times every day. Missing doses, taking incorrect medicines, or double dosing can reduce treatment effectiveness and in severe cases lead to serious…

In addition to causing delays, fuel waste, and increased pollution, traffic jams and congestion are serious concerns in cities and can occasionally result in fatalities. Traditional traffic light systems operate on fixed time intervals, often leading to unnecessary delays during periods of low traffic. To overcome this issue, in a smart traffic management system…

Labeling bottles manually takes a good chunk of time and effort. Addressing this, the YouTube channel Easy Home Made Projects has developed a DIY automatic labeling machine using an Arduino Nano, a smart solution to speed up labeling on cylindrical bottles.

The project includes 3D-printed parts, wooden supports, and a repurposed mini conveyor belt. The working combines stepper motors,…

In this project, we’re making an ordinary two-wheeler helmet smart using an RF Transmitter & Receiver. The best part: this Arduino-based smart helmet is simple to build and does not require advanced engineering knowledge or complex components.

Build Time: 6-8 hours | Cost: $40-60 | Difficulty:…

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, a simple sensor based system can efficiently accomplish this task. By placing sensors at a single entry/exit point, these systems can detect movement direction and track…

Building a maze-solving robot is an intresting way to get into the world of robotics and autonomous systems. Imagine creating a small device that can intelligently navigate through complex mazes, making decisions at every turn. This step-by-step guide will show you how to build your own maze-solving robot using Arduino UNO, three IR sensors, and basic components that…

Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back radio waves or IR light from objects and calculate speed based on time taken for the light or wave to reflect. In this article, we will learn how to similar speed…

This line follower robot with Arduino project example illustrates professional Arduino robotics project ideas through learning by doing. Our complete block diagram of the line follower robot with  Arduino UNO, the approach begins with thoroughly explaining the hardware connections and then explaining the logic behind the software. The complete Arduino…

​Due to the increasing population, there is a growing number of vehicles, which has led to a higher demand for parking lots in busy cities. Managing the data of vehicles entering and exiting parking lots can be quite a hassle. So today, I’ve come up with an interesting and inexpensive solution to this problem.

We are going to create a smart parking system with…