circuitpython-tricks

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Rainbowio.colorwheel does not return a tuple

1

There's a mistake in the `Neopixels / Dotstars` section where colorwheel is stated to return a tuple, but in reality it returns a `0xRRGGBB` int. That text is also mirrored...

Neradoc

No issue

4

Hi, I just want to say thank you for making these tipps and tricks available Cheers Bernd

bschymanski

Here's how to make simple tones with Circuit Python import board import simpleio f = 440 # frequency in hz d = 0.25 # duration in seconds simpleio.tone(board.A0, f, d)

gmeader

Looking for more Tricks

11

How to read battery voltage level. I am using an Adafruit RP2040 feather and power it using 3.3V 500mAh rechargeable battery. How to run code.py from REPL. Just curioys if...

wyattbiker

Using Matrix Keypad with I2C port Expander and a Dictionary with HTML Color Names, just like Arduino FastLED Library.

djairjr

### Dictionary for HTML Color Names Then you can call CRGB ['ColorName'] in same manner that you call CRGB::ColorName in Arduino and FastLed ```py CRGB = { 'MistyRose': (1.0, 0.894118,...

djairjr

## Matrix Keypad ### Using I2C Port Expander With Matrix Keypad ```py import adafruit_matrixkeypad import adafruit_pcf8574 from digitalio import DigitalInOut import board import time # Using default i2c with board.SDA...

djairjr