23 lines
846 B
Python
23 lines
846 B
Python
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import time
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import random
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import Adafruit_ADS1x15
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import RPi.GPIO as GPIO
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adc = Adafruit_ADS1x15.ADS1115()
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GAIN = 1
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adc.start_adc_difference(0, gain=GAIN, data_rate=860)
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bin_string = "" # Initialize binary string
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while True:
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for i in range(32): # Loop 32 times to generate 32-bit binary number
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value = adc.get_last_result() # Read last conversion result
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lsb = value & 0b00000001 # Extract LSB
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bin_string += str(lsb) # Add LSB to binary string
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bin_string = bin_string[-32:] # Keep only last 32 bits of binary string
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bin_string = bin_string.zfill(32) # Pad binary string with leading zeros to ensure it is 32 bits long
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print(bin_string) # Print binary string
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bin_string = "" # Reset binary string back to empty string
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# No need to delay, as we're using the built-in oscillator for noise
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