Lesson 13-Infrared Sensor

Lesson 13-Infrared Sensor

An infrared sensor : Is  an electronic device, that emits in order to sense some aspects of the surroundings. An IR sensor can measure the heat of an object as well as detects the motion. These types of sensors measures only infrared radiation, rather than emitting it...
Lesson 12 Interfacing with PC

Lesson 12 Interfacing with PC

This tutorial, we’ll interface Playme with PC. By connecting Playme to PC, we can send messages from the Robot to the computer and from computer to the Robot. This leads to many interesting things which can be done with playme such as creating a light meter or...
Lesson 11 Light Meter

Lesson 11 Light Meter

Light dependent resistor is a sensor which is commonly used to detect presence of light. It is used in many experiments for detection purpose, as a burglar alarm. Its value depends on light intensity. It is a type of resistor whose resistance whose value increases...
Lesson 10 Ultrasonic Sensor Measuring Distance

Lesson 10 Ultrasonic Sensor Measuring Distance

An Ultrasonic sensor is a device that can measure the distance to an object by using sound waves. Ultrasonic sensors emit short, high-frequency sound pulses at regular intervals. These propagate in the air at the velocity of sound. If they strike an object, then they...
Lesson 9 Sending Messages On Computer

Lesson 9 Sending Messages On Computer

In this lesson we are going to send message on computer screen using play me. For this we are using Serial communication. It is used for communication between the Controller board and a computer or other devices. In our life we are doing communication it is like...
Lesson 8 Buzzer Program

Lesson 8 Buzzer Program

A buzzer is a piezoelectric audio signaling device. A piezo electric buzzer can be driven by any small DC voltage to generate audio tone. A click, beep, or ring can indicate that a buzzer is sounding. Piezoelectric effect is the ability of certain materials to...