IntroductionA relay module is the bridge between your Arduino’s low-voltage world (5V) and high-voltage appliances (230V AC). It uses an…
Browsing: Sensors & Modules
IntroductionThe PIR (Passive Infrared) motion sensor detects movement by sensing changes in infrared radiation emitted by warm objects like humans…
IntroductionServo motors are essential for robotics and automation. Unlike regular DC motors, a servo motor can be commanded to rotate…
IntroductionA Light Dependent Resistor (LDR), also called a photoresistor, changes its resistance based on the amount of light hitting it.…
IntroductionAdding a 16×2 LCD display with an I2C module to your Arduino project lets you show real-time sensor readings without…
IntroductionThe HC-SR04 uses sound waves to measure distance, exactly like a bat. It is one of the most useful and…
Introduction Indoor air quality has become a significant concern, especially in the wake of increased awareness about health and environmental…