8bitsandabyte
Published © CC BY-NC-SA

Space Monsters - An Interactive Painting

Also tired of hearing "NO!" when you want to touch a painting? Let's make one you CAN touch!

IntermediateFull instructions providedOver 1 day317
Space Monsters - An Interactive Painting

Things used in this project

Hardware components

Raspberry Pi 3 Model B
Raspberry Pi 3 Model B
×1
Capacitive Touch Sensor Breakout - MPR121
Adafruit Capacitive Touch Sensor Breakout - MPR121
×1
SG90 Micro-servo motor
SG90 Micro-servo motor
×1
Flora RGB Neopixel LEDs- Pack of 4
Adafruit Flora RGB Neopixel LEDs- Pack of 4
×1
Monster Fabrics
×1
Plenty of googly eyes
×1
Canvas
×1
Paint
×1
Popsicle stick
×1
duct-tape
×1
Glue
×1
Copper Tape
×1

Software apps and online services

Autodesk Tinkercad

Hand tools and fabrication machines

3D Printer (generic)
3D Printer (generic)
Scissor, Electrician
Scissor, Electrician
Sewing needle

Story

Read more

Custom parts and enclosures

LED Cover

Cover up LEDs in a space painting

Planet

A blobby planet

Code

SpacePainting.py

Python
import board
import busio
import time
import os
import json
import RPi.GPIO as GPIO
from random import randint
import board
import neopixel

# I2C setup
from adafruit_cap1188.i2c import CAP1188_I2C
i2c = busio.I2C(board.SCL, board.SDA)
cap = CAP1188_I2C(i2c)

# Setup servo
servoPIN = 17
GPIO.setmode(GPIO.BCM)
GPIO.setup(servoPIN, GPIO.OUT)

p = GPIO.PWM(servoPIN, 50)  # GPIO 17 for PWM with 50Hz
p.start(2.5)  # Initialization

# On a Raspberry pi, use this instead, not all pins are supported
pixel_pin = board.D12

# The number of NeoPixels
num_pixels = 4

# The order of the pixel colors - RGB or GRB. Some NeoPixels have red and green reversed!
# For RGBW NeoPixels, simply change the ORDER to RGBW or GRBW.
ORDER = neopixel.RGB

pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.2, auto_write=False, pixel_order=ORDER)



# Recalibrate the capacitive touch sensors 
for i in range(1, 9):
    cap[i].recalibrate()
    time.sleep(1)
    print(i)



while True:
    pixels.fill((0, 0, 255))
    pixels.show()
   
    p.ChangeDutyCycle(0)
    for i in range(1, 9):
        if cap[i].value:
            print("Pin {} touched!".format(i))

        # Green planet that launches rocket           
        if cap[1].value:
            print('Cap 1 Touched, moving servo')
            ##            os.system('mpg123 /home/pi/Desktop/music/rocket.mp3')
            pixels.fill((255, 0, 0))
            pixels.show()
            p.ChangeDutyCycle(12.5)
            time.sleep(3)
            p.ChangeDutyCycle(2.5)
            time.sleep(3)

        # Hairy monster on the left        
        if cap[3].value:
            print('Cap 3 Touched')
            ## os.system('mpg123 /home/pi/Desktop/music/monster.mp3')
            pixels.fill((66, 239, 245))
            pixels.show()
            time.sleep(3)

        # Blobby monster on the right       
        if cap[5].value:
            print('Cap 5 Touched')
            ##            os.system('mpg123 /home/pi/Desktop/music/robot.mp3')
            pixels.fill((242, 66, 245))
            pixels.show()
            time.sleep(3)

        # Orange planet        
        if cap[8].value:
            print('Cap 8 Touched')
            ##os.system('mpg123 /home/pi/Desktop/music/space.mp3')
            pixels.fill((128,255, 0))
            pixels.show()
            time.sleep(3)
            

Credits

8bitsandabyte

8bitsandabyte

55 projects • 45 followers
We’re Dane & Nicole, two makers that create tremendously terrible tech, which we happily share with you on our channel!

Comments