Metal detectors are devices that use electromagnetic fields to find metal items in the surroundings. Making a metal detector can be fun for people who like electronics. We can build a metal detector using an Arduino, a special chip called CS209A, LEDs, a buzzer, and other parts. This detector will use LEDs and sounds to […]
Sensors and Detectors
Building a Smart Pet Feeder Circuit using Arduino
Feeding times may be made more dependable and effective by automating typical pet care tasks. Using an Arduino Uno, an IC 7809 voltage regulator, a servo motor SG90, and an ultrasonic distance sensor HC-SR04, this project aims to create a basic automated pet feeding. The intention is to construct a feeder that uses distance measures […]
Human Presence and Motion Sensor Circuit using Arduino
One important feature in the field of electronic and embedded technology that finds use in energy management, interactive environments, and security systems is the ability to identify and respond to human presence and movements. Processing and interpreting the information with a mix of sensors and microcontrollers is one efficient approach to accomplish this. The STHS34PF80 […]
Reverse Car Parking Sensor Circuit Using IC LM358
Modern cars are now required to incorporate reverse car parking sensors, which provide drivers visual and aural warnings to assist avoid crashes when reversing. These sensors identify objects behind the car using infrared or ultrasonic technologies. The operational amplifier op-amp integrated circuit, IC LM358 will be used in this article to examine a simple reverse […]
Simple Alcohol Detector Circuit using IC LM393
We will guide you through the construction of a simple alcohol detector circuit in this post. Here LEDs, resistors, capacitor, a MQ-3 alcohol sensor, an IC LM393 dual comparator, components are used in the circuit. An alcohol detector is a gadget that detects if there are alcohol vapors in the atmosphere and gives an alert, […]
Arduino Based Air Quality Monitoring Circuit
A project called an Arduino-based air quality monitoring circuit is made to detect and examine many types of air pollutants, including carbon dioxide CO2, volatile organic compounds VOCs and particle matter PM. This circuit often uses an Arduino microcontroller as its central processing unit together with a variety of sensors to monitor various aspects of […]