def run(n):
lcd = pyb.LCD('X')
lcd.light(1)
m = mpr121.MPR121(pyb.I2C(1, pyb.I2C.MASTER))
def blob(x, y, w, h, fill):
for i in range(w):
for j in range(h):
if pyb.rng() & 0xff < fill:
lcd.pixel(x + i, y + j, 1)
for i in range(n):
t = m.touch_status()
lcd.fill(0)
for y in range(32):
lcd.pixel(64, y, 1)
for x in range(128):
lcd.pixel(x, 16, 1)
if t & 1:
blob(90, 20, 10, 10, 316 - m.elec_voltage(0))
if t & 2:
blob(30, 20, 10, 10, 316 - m.elec_voltage(1))
if t & 4:
blob(90, 5, 10, 10, 316 - m.elec_voltage(2))
if t & 8:
blob(30, 5, 10, 10, 316 - m.elec_voltage(3))
lcd.show()
pyb.delay(50)
def main():
(port, pid) = (None, None)
midiCheckTime = time.monotonic()
try:
while True:
midi_tasks(port)
for i in range(len(cap_addrs)):
if caps[i] is None:
cap = mpr121.MPR121(cap_addrs[i][0])
try:
cap.begin(cap_addrs[i][1])
caps[i] = cap
except OSError:
pass
if port is None:
checkInterval = MIDI_DISCONNECTED_CHECK_INTERVAL
else:
checkInterval = MIDI_CONNECTED_CHECK_INTERVAL
now = time.monotonic()
if (now - midiCheckTime >= checkInterval):
(old_port, old_pid) = (port, pid)
(port, pid) = replace_port(port, pid)
if old_port is None and port is not None:
print("Connected to PID", pid)
for chan in range(len(channel_instrument_map)):
midi_change_instrument(port, chan,
channel_instrument_map[chan][0])
elif old_port is not None and port is None:
print("Disconnected from PID", old_pid)
midiCheckTime = now
time.sleep(0.001)
except KeyboardInterrupt:
if port is not None:
for chan in range(16):
port.send_message([CONTROL_CHANGE + chan, ALL_NOTES_OFF, 0])
import pyb
# Touch keypad
import mpr121
keybd = mpr121.MPR121(pyb.I2C(1, pyb.I2C.MASTER))
keybd.debounce(3,3)
for electr in range(4):
keybd.threshold(electr, 50, 30)
# LCD
lcd = pyb.LCD('X')
lcd.light(True)
# Maths required for calculations
from math import cos, sin, pi, sqrt, atan2, asin, acos
d2r = pi/180
def circle_intersection(circle1, circle2):
'''
@summary: calculates intersection points of two circles
@param circle1: tuple(x,y,radius)
@param circle2: tuple(x,y,radius)
@result: tuple of intersection points (which are (x,y) tuple)
'''
# return self.circle_intersection_sympy(circle1,circle2)
x1,y1,r1 = circle1
x2,y2,r2 = circle2
# http://stackoverflow.com/a/3349134/798588
dx,dy = x2-x1,y2-y1
d = sqrt(dx*dx+dy*dy)
if d > r1+r2:
"""
To solve this puzzle, you must press and hold keys 3, 7 and 11.
"""
import mpr121
from machine import Pin
i2c = machine.I2C(3)
mpr = mpr121.MPR121(i2c)
# the winning combination is 3, 7 and 11
combination = (1 << 3) | (1 << 7) | (1 << 11)
# check all keys
def check(pin):
t = mpr.touched()
print(t)
if t & combination == combination:
print("You found the winning combination!")
d3 = Pin('D3', Pin.IN, Pin.PULL_UP)
d3.irq(check, Pin.IRQ_FALLING)
import machine
import servo
import mpr121
import time
i2c = machine.I2C(1, scl=machine.Pin(22), sda=machine.Pin(21), freq=400000)
pca = servo.PCA9685(i2c)
touch = mpr121.MPR121(i2c)
s1 = servo.Servo(pca, 15)
s2 = servo.Servo(pca, 14)
s3 = servo.Servo(pca, 13)
s4 = servo.Servo(pca, 12)
while True:
t1 = touch.is_touched(0)
print(t1)
if t1:
s1.position(180)
else:
s1.position(0)
t2 = touch.is_touched(11)
if t2:
s2.position(180)
else:
s2.position(0)
t3 = touch.is_touched(2)
if t3:
s3.position(180)
