def adjustBrightness(pot_pin, led_pin, baud, port=""):
"""
Adjusts brightness of an LED using a
potentiometer.
"""
board = Arduino(baud, port=port)
while True:
time.sleep(0.01)
val = board.analogRead(pot_pin) / 4
print val
board.analogWrite(led_pin, val)
def adjustBrightness(pot_pin, led_pin, baud, port=""):
"""
Adjusts brightness of an LED using a
potentiometer.
"""
board = Arduino(baud, port=port)
while True:
time.sleep(0.01)
val = board.analogRead(pot_pin) / 4
print val
board.analogWrite(led_pin, val)
def softBlink(led_pin, baud, port=""):
"""
Fades an LED off and on, using
Arduino's analogWrite (PWM) function
"""
board = Arduino(baud, port=port)
i = 0
while True:
i += 1
k = i % 510
if k % 5 == 0:
if k > 255:
k = 510 - k
board.analogWrite(led_pin, k)
def softBlink(led_pin, baud, port=""):
"""
Fades an LED off and on, using
Arduino's analogWrite (PWM) function
"""
board = Arduino(baud, port=port)
i = 0
while True:
i += 1
k = i % 510
if k % 5 == 0:
if k > 255:
k = 510 - k
board.analogWrite(led_pin, k)
def adjustBrightness(pot_pin, led_pin,port="COM14"):
"""
Adjusts brightness of an LED using a
potentiometer.
"""
board = Arduino(port=port)
while board.pinMode(led_pin, "OUTPUT")!=1:#定义13脚为输出，控制LED亮灭
board.pinMode(led_pin, "OUTPUT")
while True:
time.sleep(0.01)
val = board.analogRead(pot_pin)
val = my_map(val,0,1023,0,255) #Map values from the sensor to any desired value
print(val)
board.analogWrite(led_pin, val)
def softBlink(led_pin, baud, port=""):
"""
Fades an LED off and on, using
Arduino's analogWrite (PWM) function
"""
board = Arduino(baud, port=port)
board.pinMode(led_pin, "OUTPUT")
step = 4
while True:
for k in range(0, 256, step):
board.analogWrite(led_pin, k)
for k in range(k - step, -1, -step):
board.analogWrite(led_pin, k)
def softBlink(led_pin,port="COM14"):
"""
Fades an LED off and on, using
Arduino's analogWrite (PWM) function
"""
board = Arduino(port=port)
while board.pinMode(led_pin, "OUTPUT")!=1:#定义13脚为输出，控制LED亮灭
board.pinMode(led_pin, "OUTPUT")
i = 0
while True:
i += 1
k = i % 510
if k % 5 == 0:
if k > 255:
k = 510 - k
board.analogWrite(led_pin, k)
# declare: a = Arduino(serial_port='/dev/ttyXXXX')
time.sleep(3)
# sleep to ensure ample time for computer to make serial connection
RED = 2
GREEN = 3
TRIGGER = 8
ECHO = 9
board.pinMode(RED, 'OUTPUT')
board.pinMode(GREEN, 'OUTPUT')
# initialize the digital pin as output
sonicSensor = SR04(ECHO, TRIGGER, board)
time.sleep(1)
# allow time to make connection
distance = 999
while (True):
distance = sonicSensor.Distance()
if (distance != 0.0):
print(distance)
if (distance >= 30):
board.analogWrite(GREEN, 50)
board.digitalWrite(RED, 'LOW')
elif (distance < 30):
board.digitalWrite(GREEN, 'LOW')
board.analogWrite(RED, 50)
from Arduino import Arduino
import time
'''distance sensor control led brightness '''
def my_map(x, in_min, in_max, out_min, out_max):
return int((x - in_min) * (out_max - out_min) / (in_max - in_min) +
out_min)
board = Arduino(port="COM14") #com口根据实际情况修改
while True:
value = board.Distance_Sense(13, 11) #Distance_Sense(trig_pin,echo_pin)
if value:
value = my_map(int(value), 0, 50, 0, 180)
board.analogWrite(3, value)
#time.sleep(0.6) #Delay for some time
print(value)
#time.sleep(0.07) #Delay for some time
from Arduino import Arduino
import time
i = 100
'''马达加速程序，加速到最大速度后停止'''
board = Arduino(port="COM3") #com口根据实际情况修改
while board.pinMode(6, "OUTPUT") != 1: #定义6pin为输出，马达一端连6pin，另一端连GND
board.pinMode(6, "OUTPUT")
while i < 255:
board.analogWrite(6, i)
time.sleep(0.1)
i = i + 1
board.digitalWrite(6, 'LOW')
time.sleep(1)
# Dynamic update of limits
#maxVal = board.analogRead(POT)
#minVal = board.analogRead(POT)
# Static set limits
maxVal = 2**10 # max of analog read
minVal = 20 # min of typical potentiometer reading
# use low pass fiter to remove flickering at low read values
val = 0
decayFactor = 0.98
try:
while True:
# update read valuable
val = decayFactor * val + (1 - decayFactor) * board.analogRead(POT)
# Dynamic update of limits
#maxVal = max(maxVal, val)
#minVal = min(minVal, val)
ledStrength = (val - minVal) / (maxVal - minVal + 1) * 2**8
board.analogWrite(LED, ledStrength)
# Print values to screen, good for debugging
#print(str(val) + ', ' + str(ledStrength) + ', ' + str(maxVal) + ' + ' + str(minVal))
except:
board.close()
board = Arduino() # find and connect microcontroller
print('Connected') # confirms the microcontroller has been found
# give pins names, so they are easy to reference
RED = 3
GREEN = 5
BLUE = 6
# configure the pins as outputs
board.pinMode(RED, "OUTPUT")
board.pinMode(GREEN, "OUTPUT")
board.pinMode(BLUE, "OUTPUT")
# turn all LEDs off
board.analogWrite(RED, 0)
board.analogWrite(GREEN, 0)
board.analogWrite(BLUE, 0)
try:
while True:
board.analogWrite(RED, 255) # set RED to full brightness
time.sleep(1) # wait 1 second
board.analogWrite(RED, 0) # turn RED off
board.analogWrite(GREEN, 255) # set GREEN to full brightness
time.sleep(1) # wait 1 second
board.analogWrite(GREEN, 0) # turn RED off
board.analogWrite(BLUE, 255) # set GREEN to full brightness
time.sleep(1) # wait 1 second
while True:
Port2 = cv.getTrackbarPos('Port2', 'window')
Port3 = cv.getTrackbarPos('Port3', 'window')
Port4 = cv.getTrackbarPos('Port4', 'window')
Port5 = cv.getTrackbarPos('Port5', 'window')
Port6 = cv.getTrackbarPos('Port6', 'window')
Port7 = cv.getTrackbarPos('Port7', 'window')
Port8 = cv.getTrackbarPos('Port8', 'window')
Port9 = cv.getTrackbarPos('Port9', 'window')
Port10 = cv.getTrackbarPos('Port10', 'window')
Port11 = cv.getTrackbarPos('Port11', 'window')
Port12 = cv.getTrackbarPos('Port12', 'window')
Port13 = cv.getTrackbarPos('Port13', 'window')
arduino.analogWrite(2, Port2)
arduino.analogWrite(3, Port3)
arduino.analogWrite(4, Port4)
arduino.analogWrite(5, Port5)
arduino.analogWrite(6, Port6)
arduino.analogWrite(7, Port7)
arduino.analogWrite(8, Port8)
arduino.analogWrite(9, Port9)
arduino.analogWrite(10, Port10)
arduino.analogWrite(11, Port11)
arduino.analogWrite(12, Port12)
arduino.analogWrite(13, Port13)
if cv.waitKey(128) == ord("q"):
cv.destroyAllWindows()
break
import time
from Arduino import Arduino
port = 'COM6'
ard = Arduino(port)
ard.pinMode(2, ard.OUTPUT)
ard.pinMode(3, ard.INPUT)
ard.pinMode(4, ard.OUTPUT)
for i in range(10):
print(ard.analogRead(0))
time.sleep(1)
ard.analogWrite(5, 100) # utiliser une sortie PWM pour cela
for i in range(10):
ard.digitalWrite(2, ard.HIGH)
time.sleep(1)
ard.digitalWrite(2, ard.LOW)
time.sleep(1)
print(ard.digitalRead(3))
ard.close()
# board.digitalWrite(pin_cw, "HIGH")
# else:
# board.digitalWrite(pin_stop, "HIGH")
# board.digitalWrite(pin_cw, "LOW")
# else:
# board.digitalWrite(pin_stop, "LOW")
while (True):
# Capture frame-by-frame
ret, frame = cap.read()
# Our operations on the frame come here
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
# Display the resulting frame
#pumpRun(stop,direction)
board.analogWrite(pin_pwm, pwm_value)
if stop == False:
board.digitalWrite(13, "HIGH")
cv2.putText(gray, 'Run', (100, 100), font, 4, (255, 255, 255), 2,
cv2.LINE_AA)
board.digitalWrite(pin_stop, "HIGH")
#board.digitalWrite(pin_start, "HIGH")
else:
cv2.putText(gray, 'Stop', (100, 100), font, 4, (255, 255, 255), 2,
cv2.LINE_AA)
board.digitalWrite(13, "LOW")
board.digitalWrite(pin_stop, "LOW")
#board.digitalWrite(pin_start, "LOW")
if direction == False:
cv2.putText(gray, 'CCW direction', (0, 300), font, 4, (255, 255, 255),
2, cv2.LINE_AA)
