The Arduino Uno R3 Compatible Board is a microcontroller board that is ... This HC-SR04-Ultrasonic Distance Measuring Sensor is a very popular sensor that is found in many applications where it ...

When the object comes within the range of the ultrasonic sensor the buzzer beeps and the led lights up indicating detection of the object . The HC-SR04 Ultrasonic Module has 4 pins, Ground, VCC, Trig ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller ...

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 ...

The board is suitable for both beginners and advanced users with a convenient port layout that includes a “Maker” connector plus six Grove connectors for sensor modules ... started with the Maker Uno ...

Therefore, this study aims to develop a Smart Flood Sensor System (SFSS) using Arduino and GSM modules to detect and monitor whenever a flood comes and make people aware of the risk of flooding. This ...

The UNO is one of the most popular boards in Arduino family and a great choice for beginners. Ultrasonic Sensor: These are the sensor that use ultrasonic waves to detect objects or to measure the ...