Nerf Gun Robot 
Thursday, June 9, 2016, 03:41 PM - Robots, Programs

Purpose:


This 4 wheel drive robot supports RC remote control, a headlight, a 2DOF arm with a gripper, remote Nerf gun firing, 5.8ghz video transmission, and automation via Raspberry Pi (not yet implemented).




Parts List:


4 x Pololu brushed DC gearmotors (2 with encodersj, 2 without)
https://www.pololu.com/product/3241

4 x Pololu wheels
https://www.pololu.com/product/1555

2 x Pololu motor mounting brackets (1 pair/pkg)
https://www.pololu.com/product/2676

1 x Ion Motion 2x15A Roboclaw motor controller
https://www.pololu.com/product/2395

Aluminum angles from Lowes - as needed to build frame.

2 x misc. servos for arm
https://www.amazon.com/gp/product/B0006O3XEA/

1 x misc. servo for Nerf gun trigger
https://www.amazon.com/gp/product/B0006O3XEA/

2 x misc. aluminum servo brackets (with bearing)
I can't find the ones that I usually get. I was getting them on ebay for around $4 each.

1 x ~5v headlight that can be turned on and off by simply removing or restoring power. Don't get one that uses a soft switch, because when you apply DC to those, they don't turn on until the button is pressed.

1 x Makeblock gripper
https://www.amazon.com/Makeblock-Robot-Gripper/dp/B00WG3KTL4/

1 x Arduino Nano
https://www.amazon.com/gp/product/B015MGHH6Q/

1 x Arduino Nano breakout board
https://www.amazon.com/gp/product/B011U8G1JO/

1 x Keystudio I2C PWM driver
https://www.amazon.com/gp/product/B0179AXJUQ/

1 x 5.8ghz video transmitter
https://www.amazon.com/gp/product/B00MLS0NOW/

1 x 12v camera
https://www.amazon.com/gp/product/B00RCZYIR2/

1 x Misc dual H Bridge, for controlling headlight and gripper
https://www.amazon.com/DROK-Controller-H-Bridge-Mega2560-Duemilanove/dp/B00CAG6GX2/

1 x electric Nerf gun. I used N Strike Elite
https://www.amazon.com/Nerf-N-Strike-Elite-Stryfe-Blaster/dp/B009T45XNM/

1 x 5v BEC for servo power and Arduino
https://www.amazon.com/Ship-Hobbywing-Switch-mode-UBEC-Lowest/dp/B008ZNWOYY/

1 x Misc 12v battery for video transmitter, camera, motor controller, and drive motors


Programs:


Arduino Nano code is on my github:
https://github.com/nshaver/nerfgun_rc_robot/

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