Robotic Arduino Shooting Gallery "demonic Carousel"

Hello everyone. With the acquisition of a 3D printer, it allowed me to reach a new level in my developments in the field of robotics for children. At the moment, I have developed a prototype target. Which I called a demonic carousel. The idea was to implement the designer, to create a children's interactive robotic shooting gallery using 3D printing technology and various ready-made arduino boards that can be purchased at the same aliexpress.Thus, to minimize soldering, connected everything with wires, flooded the firmware and the device is ready. Having skills in programming microcontrollers, for example on arduino, you can write a program yourself and rewrite the game for yourself.

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Step 1: Radio Parts List

This designer is still at the development stage, respectively, this is a prototype, which naturally could not do without jambs. But at this stage in the video, I will show what happened.

The small arms for this shooting range is any toy weapon that shoots with plastic bullets in my case with 5mm plastic balls. But nothing prevents to apply for example the nerf who shoots with large bullets. We’ll drive it in, any weapon that doesn’t blow plastic targets will do.

This project is at the development stage, the program for the microcontroller will have to be written independently. My version is being finalized.

I’m very interested in your opinion on this project. Write in your comment your opinion and wishes

Files for 3D printing

Radio Parts List :

8 Ом 0,5 Вт speaker - 1

DFP MP3 player - 1

Atmega328 module -1

18650 battery charge board -1

metal gear motor - 1

shock sensor - 1

micro limit switch on board -1

SG90 servo - 4

DC 3 V-6 V double shaft gear motor - 1

L9110Sh-bridge dual DC driver - 1

Step 2: Target Figures

In a circle there are eight figures of monsters 125x75mm. In my version, monsters are divided into three classes: three zombies, three ground monsters, two winged. But nothing prevents to come up with other characters for the shooting gallery and without much effort to replace them. The targets themselves are removable.

Step 3: Arduino Sound Module

In order to make the game “not boring," the monsters, depending on the class, make frightening sounds when raised. For this task, a DFPlayer mini MP3 player was used. The player has its own 3w sound amplifier, which is quite enough for this toy.

Step 4: Shock Sensor and Lifting Device

The target lifting device is made on a servo SG90. On the same device is an acoustic shock sensor implemented on a piezoelectric element. An interline resistor is installed on the board, which allows you to adjust the sensitivity to hits.

Step 5: Target Rotation Mechanism

The carousel is rotated by a commutator motor at a speed of 30 revolutions per minute. Depending on the resistance value of the variable resistor, the target is positioned to the lifting device. Despite the similarity of the design with the servo device, and for one significant drawback, it was not possible to use the servo. At the moment the shooting gallery is turned on, the servo drive goes out very quickly to the specified angle, while the targets rise, there is a chance of breaking the target.

Step 6: Target Movement

The target area moves by sliding, without wheels. One gear is used, which engages with the rack gear of the rail.

Step 7: Bridge Driver

To move and rotate the carousel, a dual bridge motor driver is used. The microcontroller uses a PWM signal to control the speed of movement. Microswitches limit the movement of the target.

Step 8: Microcontroller

The heart of the device is the Pro Mini module on the atmega328P. The module is already partially assembled, sold for arduino developers. Although I myself do not program in this environment, I use these modules very willingly.

Step 9: Power Battery

A simple power bank, on one lithium battery, is a power source. The electronics of the bank include protection from both a short circuit and a complete discharge of the lithium battery. The battery charging from USB is naturally implemented, a short USB cable is included.

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    Discussions

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    zakbobdop

    14 days ago

    This reminds me of an arcade game I once played :D
    Nice work!