def loop():
while True:
tmp36_data = readadc.readadc(tmp36_adc, readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO, readadc.PINS.SPICS)
tmp36_millivolts = tmp36_data * (3300.0 / 1024.0)
# 10 mv per degree
temp_C = ((tmp36_millivolts - 100.0) / 10.0) - 40.0
# convert celsius to fahrenheit
temp_F = (temp_C * 9.0 / 5.0) + 32
# remove decimal point from millivolts
tmp36_millivolts = "%d" % tmp36_millivolts
# show only one decimal place for temprature and voltage readings
temp_C = "%.1f" % temp_C
temp_F = "%.1f" % temp_F
photo_data = readadc.readadc(photo_adc, readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO, readadc.PINS.SPICS)
photo_millivolts = photo_data * (100.0 / 1024.0)
print "Current temperature: %sC, %sF; light: %f" % (temp_C, temp_F,
photo_millivolts)
time.sleep(0.5)
def loop():
while True:
tmp36_data = readadc.readadc(tmp36_adc,
readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
tmp36_millivolts = tmp36_data * (3300.0/1024.0)
# 10 mv per degree
temp_C = ((tmp36_millivolts - 100.0) / 10.0) - 40.0
# convert celsius to fahrenheit
temp_F = (temp_C * 9.0 / 5.0) + 32
# remove decimal point from millivolts
tmp36_millivolts = "%d" % tmp36_millivolts
# show only one decimal place for temprature and voltage readings
temp_C = "%.1f" % temp_C
temp_F = "%.1f" % temp_F
photo_data = readadc.readadc(photo_adc,
readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
photo_millivolts = photo_data * (100.0/1024.0)
print "Current temperature: %sC, %sF; light: %f" % (temp_C, temp_F, photo_millivolts)
time.sleep(0.5)
def read(self, n_counts=2000):
self.temp_C_arr = np.zeros(n_counts)
self.temp_F_arr = np.zeros(n_counts)
for n in range(n_counts):
sensor_data = readadc.readadc(self.sensor_pin, readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
millivolts = sensor_data * (3300.0 / 1024.0)
# 10 mv per degree
temp_C = ((millivolts - 100.0) / 10.0) - 40.0
# convert celsius to fahrenheit
temp_F = (temp_C * 9.0 / 5.0) + 32
# remove decimal point from millivolts
millivolts = "%d" % millivolts
# add to array for averaging
self.temp_C_arr[n] = temp_C
self.temp_F_arr[n] = temp_F
time.sleep(0.001)
self.temp_F = np.mean(self.temp_F_arr)
self.temp_C = np.mean(self.temp_C_arr)
def get_intensity(adc_pin):
photo_data = readadc.readadc(adc_pin,
readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
# convert light intensity value to 1-100
photo_millivolts = photo_data * (3300.0/1024.0)
light_value = (photo_millivolts * (100.0/3300.0))
return light_value
def read_temperature():
sensor_data = readadc.readadc(SENSOR_PIN, readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI, readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
millivolts = (sensor_data) * (3300.0 / 1024.0)
temp_C = ((millivolts - 100.0) / 10.0) - 40.0
# write the data to plotly
print("mV: %d \t Temp: %.1f" % (millivolts, temp_C))
return temp_C
def read_temperature():
sensor_data = readadc.readadc(SENSOR_PIN,
readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
millivolts = (sensor_data) * (3300.0 / 1024.0)
temp_C = ((millivolts - 100.0) / 10.0) - 40.0
# write the data to plotly
print("mV: %d \t Temp: %.1f" % (millivolts, temp_C) )
return temp_C
def getTemp(sensor_pin):
sensor_data = readadc.readadc(sensor_pin,
readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
millivolts = sensor_data * (3300.0 / 1023.0)
# 10 mv per degree
tempC = ((millivolts - 100.0) / 10.0) - 40.0
# remove decimal point from millivolts
millivolts = "%d" % millivolts
# show only one decimal place for temprature and voltage readings
tempC = "%.1f" % tempC
return tempC
def get_temp(adc_pin):
tmp36_data = readadc.readadc(adc_pin,
readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
tmp36_millivolts = tmp36_data * (3300.0/1024.0)
# 10 mv per degree
temp_C = ((tmp36_millivolts - 100.0) / 10.0) - 40.0
# convert celsius to fahrenheit
temp_F = (temp_C * 9.0 / 5.0) + 32
# remove decimal point from millivolts
tmp36_millivolts = "%d" % tmp36_millivolts
# show only one decimal place for temprature and voltage readings
temp_C = "%.1f" % temp_C
temp_F = "%.1f" % temp_F
return temp_F
# }
# }], filename='Raspberry Pi Streaming Example Values')
# print "View your streaming graph here: ", url
# temperature sensor middle pin connected channel 0 of mcp3008
sensor_pin = 0
readadc.initialize()
# stream = py.Stream(plotly_user_config['plotly_streaming_tokens'][0])
# stream.open()
#the main sensor reading and plotting loop
while True:
sensor_data = readadc.readadc(sensor_pin, readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI, readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
millivolts = sensor_data * (3300.0 / 1024.0)
# 10 mv per degree
temp_C = ((millivolts - 100.0) / 10.0) - 40.0
# convert celsius to fahrenheit
temp_F = (temp_C * 9.0 / 5.0) + 32
# remove decimal point from millivolts
millivolts = "%d" % millivolts
# show only one decimal place for temprature and voltage readings
temp_C = "%.1f" % temp_C
temp_F = "%.1f" % temp_F
print('millivolts = {}'.format(millivolts))
print('temprature (F) = {}'.format(temp_F))
stream = py.Stream(plotly_user_config['stream_ids'][0])
stream.open()
THRESH=512
bpmstream = py.Stream(plotly_user_config['stream_ids'][1])
bpmstream.open()
#pulse detection
pulse = False
bar = np.array([])
big = np.array([])
GPIO.setup(13, GPIO.OUT)
while True:
sensor_data = readadc.readadc(sensor_pin,
readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
#print sensor_data
# draw the equivalent number of points in an attempt to draw a vertical pulse sensing graph
for i in range(sensor_data / 100):
print ".",
#detect beats
if (sensor_data > THRESH):
if (pulse == False):
pulse = True
print "Beat"
bar = np.append(bar,1)
else:
#print ""
bar = np.append(bar,0)
import time
import readadc
# temperature sensor middle pin connected channel 0 of mcp3008
photocell_pin = 1
readadc.initialize()
#the main sensor reading and plotting loop
while True:
sensor_data = readadc.readadc(photocell_pin,
readadc.PINS.SPICLK,
readadc.PINS.SPIMOSI,
readadc.PINS.SPIMISO,
readadc.PINS.SPICS)
photocell = sensor_data
photocell = 1023 - photocell
time.sleep(0.5)
#import datetime
with open('/home/pi/workspace/bitcoin-miner/mysql_config.json') as config_file:
conf = json.load(config_file)
# Sensors connected to channel 0 and 4 of mcp3008
temp_sensor_pin = 0
volt_sensor_pin = 4
readadc.initialize()
#the main sensor reading and plotting loop
while True:
# voltage
volt_sensor_data = readadc.readadc(volt_sensor_pin, readadc.PINS.SPICLK, readadc.PINS.SPIMOSI, readadc.PINS.SPIMISO, readadc.PINS.SPICS)
# convert data to millivolt
millivolts = volt_sensor_data * (3300.0 / 1024.0)
# convert volts to original input
millivolts = millivolts * 4.5 + 280
# convert millivolts to volts
volts = millivolts / 1000
# remove decimal point from millivolts // this is only used for debug
millivolts = "%d" % millivolts
# show only one decimal place for voltage readings
volts = "%.1f" % volts
# temperature
temp_sensor_data = readadc.readadc(temp_sensor_pin, readadc.PINS.SPICLK, readadc.PINS.SPIMOSI, readadc.PINS.SPIMISO, readadc.PINS.SPICS)
# convert data to millivolt
temp_millivolts = temp_sensor_data * (3300.0 / 1024.0)
