import spidev 
from numpy import interp
from time import sleep

# Start SPI connection
spi = spidev.SpiDev() # Created an object
spi.open(0,0)   

# Read MCP3008 data
def analogInput(channel, hz):
  spi.max_speed_hz = hz
  adc = spi.xfer2([1,(8+channel)<<4,0])
  data = ((adc[1]&3) << 8) + adc[2]
  return data

while True:
    output1 = analogInput(0, 20)
    output1 = interp(output1, [0, 1023], [0, 100])
    print(output1)
    sleep(.5)

 
import spidev 
from numpy import interp
import time
import datetime
from datetime import timedelta

# Start SPI connection
spi = spidev.SpiDev() # Created an object
spi.open(0,0)    



# Read MCP3008 data
def analogInput(channel, hz):
  spi.max_speed_hz = hz
  adc = spi.xfer2([1,(8+channel)<<4,0])
  data = ((adc[1]&3) << 8) + adc[2]
  return data

data_list=list()
init_time = datetime.datetime.now()



while True:
    
    
    output1 = analogInput(0, 1000000)
    output1 = interp(output1, [0, 1023], [0, 100])
    
    data_list.append(output1)
    if init_time < datetime.datetime.now() - timedelta(seconds=2):
        
        print("min" + str(min(data_list)))
        print("max" + str(max(data_list)))
        print("avg" + str(sum(data_list)/len(data_list)))
        data_list=list()
        init_time = datetime.datetime.now()
        
        
    time.sleep(.001)