rp2040-examples

Examples for Raspberry Pi Pico (RP2040 MCU based SBCs)
If you're looking for my Raspberry Pi Golang examples, you will find them here.

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You can get the very cheap Raspberry Pi Pico from many retailers:

• Amazon
• AZ-Delivery
• BerryBase
• Reichelt
• Sparkfun
• Mouser
• Welectron

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A good documentation is also available here.
I also recommend this great Raspberry Pi Pico Pinout-page.

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blink_with_pcf8574.py

you need more GPIO-Pins, just use some PCF8574.

blink_with_ws2812.py

need more fun with LEDs? Get some WS2812 light stripes or modules.

distance_with_hc-sr04.py

measure real world distance with the help of the HC-SR04 hypersonic module.

info.py

show information about your Pi.

interactive_blink.py

accepts text input (e.g. via Thonny) in two different formats Pin,Status or Pin,On-Time,Off-Time and allows pins to be switched on and off (or flashing the LED (pin 25)).

morse_blink.py

expects text input and causes the LED on the Raspberry Pi Pico to output this text as Morse code.

pwm_with_pca9685.py

control up to 16 servo motors with only 2 pins from your pico and the magical PCA9685.

read_rfid_with_rc522.py

read RFID cards with the rc522.

snake_on_hub75.py

show a funny snake animation on a hub75 LED-Matrix with an Pimoroni Interstate 75 W.

weigh_with_hx711.py

uses a load cell and the HX711-24bit A/D converter to measure a weight.

wlan.py

connect to your wifi and read json data from the internet.