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 […]
Sensors and Detectors
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 […]
How to Create a Water Level Sensor Circuit with Arduino
An enjoyable and instructive project that teaches you fundamental electronics, programming and sensor integration in making a water level sensor with an Arduino Uno. This tutorial will show you how to build a working water level sensor using the widely used Arduino platform, whether your goal is to avoid overflow, monitor water levels in tanks, […]
Arduino Temperature Controller Circuit using DC Fan
This Arduino Temperature Controller Circuit article shows how to assemble a basic temperature controller by using an Arduino UNO board, an LCD display, a DC fan, a transistor, a DHT11 temperature and humidity sensor, and a few resistors. This circuit will allow us to display changes in both temperature and fan speed on a LCD […]
How to Measure Humidity and Temperature using Arduino and DHT11
If we want to know how hot and humid it is, we can use an Arduino, a sensor called DHT11, a resistor and a LCD display to show the numbers. The DHT11 sensor will measure the temperature in degrees Celsius and the humidity as a percentage. The Arduino will understand the sensor and show the […]