ShawnHymel

import mraa
import time

# Motor parameters. Set to 1 or -1 to change default direction
dirA = 1
dirB = 1

# PWM A (pin 12) is on pin 20 in MRAA
pwmA = mraa.Pwm(20)
pwmA.period_us(1000)

ShawnHymel

import cv2

# Debugging options
SHOW_IMAGE = True
VERBOSE = True

# HSV color thresholds for YELLOW
THRESHOLD_LOW = (15, 215, 50);
THRESHOLD_HIGH = (35, 255, 255);

ShawnHymel

/**
 * Prop Shield Demo
 * Author: Shawn Hymel
 * Date: August 31, 2016
 * 
 * Description:
 *  Connect a single WS2812B to the LED output on the Prop Shield
 *  and a >2W speaker to the +/- speaker output. Attach the shield
 *  to a Teensy 3.2 and run the NXPMotionSense calibration sketch

ShawnHymel

from microbit import *

while True:
    if button_a.is_pressed():
        display.scroll("A")
    elif button_b.is_pressed():
        display.scroll("B")
    else:
        display.show(Image.HAPPY)

ShawnHymel

from microbit import *

while True:
    if button_a.is_pressed():
        if button_b.is_pressed():
            display.show(Image.CONFUSED)
        else:
            display.show(Image.HAPPY)
    elif button_b.is_pressed():
        display.show(Image.SAD)

ShawnHymel

from microbit import *

while True:
    if button_a.is_pressed():
        display.show(Image.HAPPY)
    elif button_b.is_pressed():
        display.show(Image.SAD)
    else:
        display.show(Image.MEH)

ShawnHymel

/**
 *  8-Channel Multiplexer Demo
 *  August 16, 2016
 *  License: Public Domain
 *  
 *  Show PWM on 8 LEDs using 4 I/O pins and an analog input to
 *  adjust the PWM period.
 *  
 *  Hardware:
 *    Mux  |  Trimpot | Arduino

ShawnHymel

from microbit import *

while True:
    display.scroll("Hello!")

ShawnHymel

from microbit import *

while True:
    display.scroll("Shawn")

ShawnHymel

#define LED_N_SIDE  2
#define LED_P_SIDE  3
#define EMITTER     12
#define LED         13
#define CAL_N       100

// Global variables
unsigned int threshold = 0;

void setup() {