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tomas-fryzatomas-fryza
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RP Pico examples tested
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‎examples/03-i2c-sensor/main.py‎

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import sys
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# Create I2C peripheral at frequency of 100 kHz
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i2c = I2C(0, scl=Pin(22), sda=Pin(21), freq=100_000)
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i2c = I2C(0, sda=Pin(21), scl=Pin(22), freq=100_000)
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# Scan for peripherals, returning a list of 7-bit addresses
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# between 0x08 and 0x77 inclusive

‎examples/81-techday-iot/02-temperature-display.py‎

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from sh1106 import SH1106_I2C
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# Init DHT12 sensor
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i2c = I2C(0, scl=Pin(22), sda=Pin(21), freq=100_000)
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i2c = I2C(0, sda=Pin(4), scl=Pin(5), freq=100_000)
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sensor = DHT12(i2c) # 1st variant
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# sensor = BME280(i2c) # 2nd variant
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‎examples/81-techday-iot/02-temperature-simple.py‎

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from dht12 import DHT12
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from bme280 import BME280
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# Init DHT12 sensor
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i2c = I2C(0, scl=Pin(22), sda=Pin(21), freq=100_000)
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# sensor = DHT12(i2c) # 1st variant
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sensor = BME280(i2c) # 2nd variant
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# Init sensor
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i2c = I2C(0, sda=Pin(4), scl=Pin(5), freq=100_000)
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sensor = DHT12(i2c) # 1st variant
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# sensor = BME280(i2c) # 2nd variant
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print()
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print("Press `Ctrl+C` to stop")
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print()
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try:
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while True:
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# temp, humid = sensor.read_values() # 1st variant
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temp, humid, P, A = sensor.read_values() # 2nd variant
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temp, humid = sensor.read_values() # 1st variant
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# temp, humid, P, A = sensor.read_values() # 2nd variant
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print(f"T={temp:.1f}°C, H={humid:.1f}%")
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print(P, A)
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# print(P, A)
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sleep(10)
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‎examples/92-pico_w/02-i2c_scan.py‎

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from machine import I2C, Pin
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# On Raspberry Pi Pico, I2C using pins GP21 & GP20 (default I2C0 pins)
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i2c = I2C(0, scl=Pin(21), sda=Pin(20), freq=100_000)
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i2c = I2C(0, scl=Pin(5), sda=Pin(4), freq=100_000)
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print("Scanning I2C... ", end="")
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addrs = i2c.scan()

‎examples/92-pico_w/02-temperature-display.py‎

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"""
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I2C OLED display SH1106 + DHT12 sensor
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MicroPython script for reading data from DHT12 I2C sensor
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and displaying on an OLED with the SH1106 controller. The
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script requires SH1106 and DHT12 modules, stored in ESP32 device.
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Authors:
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- Robert Hammelrath, https://github.com/robert-hh/SH1106
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- Martin Fitzpatrick, https://blog.martinfitzpatrick.com/oled-displays-i2c-micropython/
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- Tomas Fryza
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Creation date: 2023-10-27
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Last modified: 2026-09-01
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"""
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# MicroPython builtin modules
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from machine import I2C, Pin, I2C
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from time import sleep
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# External modules
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from dht12 import DHT12
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from bme280 import BME280
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from sh1106 import SH1106_I2C
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# Init DHT12 sensor
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i2c = I2C(0, sda=Pin(4), scl=Pin(5), freq=100_000)
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sensor = DHT12(i2c) # 1st variant
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# sensor = BME280(i2c) # 2nd variant
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# Init OLED display
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display = SH1106_I2C(i2c)
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display.text("Temp. [C]:", 0, 40)
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display.text("Humid.[%]:", 0, 52)
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led = Pin(2, Pin.OUT)
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print("Read temperature and humidity every 10 secs.")
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print()
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print("Press `Ctrl+C` to stop")
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print()
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try:
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while True:
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led.on()
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temp, humid = sensor.read_values() # 1st variant
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# temp, humid, P, A = sensor.read_values() # 2nd variant
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print(f"T={temp:.1f}°C, H={humid:.1f}%")
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display.fill_rect(85, 38, 120, 50, 0)
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display.text(f"{temp:.1f}", 85, 40)
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display.text(f"{humid:.1f}", 85, 52)
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display.show()
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led.off()
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sleep(10)
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except KeyboardInterrupt:
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print()
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print("Program stopped. Exiting...")
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# Optional cleanup code
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display.poweroff()
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led.off()

‎examples/92-pico_w/02-temperature-simple.py‎

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"""
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I2C DHT12 sensor
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MicroPython script for reading data from DHT12 I2C sensor
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and printing to shell. The script requires DHT12 module, stored
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in ESP32 device.
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Authors:
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- Robert Hammelrath, https://github.com/robert-hh/SH1106
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- Martin Fitzpatrick, https://blog.martinfitzpatrick.com/oled-displays-i2c-micropython/
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- Tomas Fryza
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Creation date: 2023-10-27
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Last modified: 2026-09-01
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"""
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# MicroPython builtin modules
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from machine import Pin, I2C
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from time import sleep
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# External module(s)
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from dht12 import DHT12
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from bme280 import BME280
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# Init sensor
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i2c = I2C(0, sda=Pin(4), scl=Pin(5), freq=100_000)
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sensor = DHT12(i2c) # 1st variant
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# sensor = BME280(i2c) # 2nd variant
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print()
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print("Press `Ctrl+C` to stop")
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print()
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try:
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while True:
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temp, humid = sensor.read_values() # 1st variant
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# temp, humid, P, A = sensor.read_values() # 2nd variant
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print(f"T={temp:.1f}°C, H={humid:.1f}%")
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# print(P, A)
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sleep(10)
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except KeyboardInterrupt:
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print()
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print("Program stopped. Exiting...")

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