Audible warning systems for certain temperatures may be necessary in some cases. For example, alarm systems for boiling and overflowing pots(milks,water etc.) may be useful for housewives. Lets make a system like this.
In robotic applications you can use infrared (IR) controls to control robotic components via infrared receiver sensors. In this article, the use of infrared control with Ardunio will be discussed.
Example of a piano giving light according to the note using Arduino Mega
This is an example of using two or more sensor equipment with Ardunio Mega. From this example, multi-sensor equipments can be created according to purpose.
Ardunio Lilypad is a nice tool for developing wearable technologies. Tehere is an example about a status reporting glove made with Lilypad
Easy to understand sequential activities for arduino beginners
Infrared obstacle escape sensor (KY-032) is a sensor that sends signals when there is an obstacle in the way. This article focuses on the use of KY-032 sensor, led, buzzer and dc-motor together.
Simple piano construction using Arduino UNO, buzzer and buttons