Arduino:  prototypes

Here are some prototypes built using both sensors and actuators. They are naive and absolutely unnecessary, but fun to watch and still interesting for both the combined use of various components and a sketch a bit more complex.

Click on icon to open (or download) each project sheet

 

 

 

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Polyphemus

The trolley that avoids obstacles by using ultrasounds

 

 

 

 

 

 

 

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Parking sensor
Two leds, a buzzer and an ultrasound sensor

 

 

 

 

 

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Selector

Separates balls by color; a stepper, a servo, a LED and a photoresistor

 

 

 

 

 

 

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Alarm system

Magnetic sensors, display,  sounds and flashes

 

 

 

 

 

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Maze

chronicle of a failure, with two steppers and a servo

 

 

 

 

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Maze.1

the experience rematch: steppers, LCD display and buttons

 

 

 

 

 

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Snoopy

A trolley follows a track: 

two stepper, a servo and a track sensor

 

 

 

 

 

 

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Lie detector

Skin moisture that catch liars An rgb led and a buzzer

 

 

 

 

 

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Environmental data

many sensors (DHT11, DS18B20, 44E938, etc.) for a lot of data

 

 

 

 

 

 

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Dance 

Two unlikely dancers:

a microphone, four servo and some LEDs

 

 

 

 

 

 

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Cinerama

Cinema with two old smartphones, two stepper and four servomotors

 

 

 

 

 

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Discoflash

A laser projector,

with two mirrors, two motors and a microphone

 

 

 

 

 

 

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Caloriescale

A food oracle, with a scale, keyboard and display

 

 

 

 

 

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Water dispenser

Fills some goblets  with the same dose of water

 

 

 

 

 

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Pan & tilt controlled by infrared remote

 

 

 

 

 

 

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Weight selector

 

 

 

 

 

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weigh recorder

 

 

 

 

 

 

 

 

 

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Sunflower – sun follower

 

 

 

 

 

 

 

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Access control 

via RFID, password and datalogger

 

 

 

 

 

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GPS tracker

Records GPS data to draw a path onto a map

 

 

 

 

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Theseus - maze escape

 

 

 

 

 

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