Notes_Pyblite

12 bit resolution, max 3.3V
ie ADC_voltage:ADC_value=3.3V:4096 
DO NOT USE THE FOLLOWING PINS:
	X1-2 (UART)
	X5-8 (SPI)

example to read (non buffered):

import pyb
import array
adc = pyb.ADC(pyb.Pin.board.Y12)
tim = pyb.Timer(4, freq=20000) #create 20KHz timer
rx0 = array.array('H', (0 for i in range(20000)))
pyb.ADC.read_timed(adc, rx0, tim)
for n in range(len(rx0)):
    print(rx0[n])


open and close file:

#NEED TO WRITE ON SD; OTHERWISE WE RUN OUT OF SPACE ON THE INTERNAL MEMORY
import os,pyb,array
adc = pyb.ADC(pyb.Pin.board.Y12)
tim = pyb.Timer(4, freq=20000) #create 20KHz timer
f_ = open("file.csv", "w")
rx0 = array.array('H', (0 for i in range(20000)))
i = 0
while i < 31: #define seconds of acquisition-1
    pyb.ADC.read_timed(adc, rx0, tim)
    for item in rx0:
        f_.write('%d\n' % (item))
    i = i+1
f_.close()