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What do you need to build an Arduino Speed Sensor. Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, and it is also very ...

Connect the Echo pin of the ultrasonic sensor to digital pin 3 on the Arduino. Connect the positive (anode) leg of the buzzer to digital pin 8 on the Arduino. Connect the positive (anode) leg of the ...

->Fire Sensor with Buzzer This Arduino sketch demonstrates a simple fire sensor alarm system using an Arduino board. It utilizes a fire sensor connected to one pin and a buzzer connected to another ...

We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. Last month we saw [Udo]’s blinkenlight shield that can be used as a lin… ...

Why not create your very own high speed camera trigger using a Arduino, piezoelectric sensor ... DIY Arduino High Speed Photography DSLR Trigger. 4:35 pm November 10, 2010 By Julian Horsey.

Gas leaks can pose serious safety risks, especially in homes, kitchens, and small commercial spaces. In this project, you'll learn how to build a simple and budget-friendly gas leakage detector using ...

The traditional single sensor alarm system has been difficult to meet the requirements of multiple pollutants detection at the same time, so this research proposes a multi-sensor integrated ...