API and Usage
_bleio
_eve
_pew
_pixelmap
_stage
adafruit_bus_device
adafruit_pixelbuf
aesio
alarm
analogbufio
analogio
atexit
audiobusio
audiocore
audioio
audiomixer
audiomp3
audiopwmio
bitbangio
bitmaptools
bitops
board
busio
camera
canio
countio
cyw43
digitalio
displayio
dotclockframebuffer
dualbank
espcamera
espidf
espnow
espulp
floppyio
fontio
framebufferio
frequencyio
getpass
gifio
gnss
hashlib
i2ctarget
imagecapture
ipaddress
is31fl3741
keypad
math
mdns
memorymap
memorymonitor
microcontroller
msgpack
neopixel_write
nvm
onewireio
os
paralleldisplay
picodvi
ps2io
pulseio
pwmio
qrio
rainbowio
colorwheel()
random
rgbmatrix
rotaryio
rp2pio
rtc
samd
sdcardio
sdioio
sharpdisplay
socketpool
ssl
storage
struct
supervisor
synthio
terminalio
time
touchio
traceback
uheap
ulab
usb
usb_cdc
usb_hid
usb_host
usb_midi
ustack
vectorio
watchdog
wifi
zlib
help()
Design and porting reference
*io
About the project
rainbowio module.
Provides the colorwheel() function.
Available on these boards 01Space 0.42 OLED ESP32C3 0xCB Helios 42. Keebs Frood 8086 Commander @sarfata shIRtty AITHinker ESP32-C3S_Kit AITHinker ESP32-C3S_Kit_2M ARAMCON Badge 2019 ARAMCON2 Badge ATMegaZero ESP32-S2 Adafruit BLM Badge Adafruit CLUE nRF52840 Express Adafruit Camera Adafruit Circuit Playground Bluefruit Adafruit Circuit Playground Express 4-H Adafruit CircuitPlayground Express Adafruit CircuitPlayground Express with Crickit libraries Adafruit CircuitPlayground Express with displayio Adafruit EdgeBadge Adafruit Feather Bluefruit Sense Adafruit Feather ESP32 V2 Adafruit Feather ESP32-S2 Reverse TFT Adafruit Feather ESP32-S2 TFT Adafruit Feather ESP32-S3 Reverse TFT Adafruit Feather ESP32-S3 TFT Adafruit Feather ESP32S2 Adafruit Feather ESP32S3 4MB Flash 2MB PSRAM Adafruit Feather ESP32S3 No PSRAM Adafruit Feather HUZZAH32 Adafruit Feather M0 Adalogger Adafruit Feather M0 Basic Adafruit Feather M0 Express Adafruit Feather M0 Express with Crickit libraries Adafruit Feather M0 RFM9x Adafruit Feather M4 CAN Adafruit Feather M4 Express Adafruit Feather MIMXRT1011 Adafruit Feather RP2040 Adafruit Feather RP2040 CAN Adafruit Feather RP2040 DVI Adafruit Feather RP2040 Prop-Maker Adafruit Feather RP2040 RFM Adafruit Feather RP2040 Scorpio Adafruit Feather RP2040 ThinkInk Adafruit Feather RP2040 USB Host Adafruit Feather STM32F405 Express Adafruit Feather nRF52840 Express Adafruit FunHouse Adafruit Gemma M0 Adafruit Gemma M0 PyCon 2018 Adafruit Grand Central M4 Express Adafruit HUZZAH32 Breakout Adafruit Hallowing M4 Express Adafruit ItsyBitsy M0 Express Adafruit ItsyBitsy M4 Express Adafruit ItsyBitsy RP2040 Adafruit ItsyBitsy nRF52840 Express Adafruit KB2040 Adafruit LED Glasses Driver nRF52840 Adafruit Macropad RP2040 Adafruit MagTag Adafruit Matrix Portal M4 Adafruit MatrixPortal S3 Adafruit Metro ESP32S2 Adafruit Metro ESP32S3 Adafruit Metro M0 Express Adafruit Metro M4 Airlift Lite Adafruit Metro M4 Express Adafruit Metro RP2040 Adafruit Metro nRF52840 Express Adafruit Monster M4SK Adafruit NeoKey Trinkey M0 Adafruit NeoPixel Trinkey M0 Adafruit ProxLight Trinkey M0 Adafruit PyGamer Adafruit PyPortal Adafruit PyPortal Pynt Adafruit PyPortal Titano Adafruit PyRuler Adafruit Pybadge Adafruit QT Py ESP32 PICO Adafruit QT Py ESP32-S3 4MB Flash 2MB PSRAM Adafruit QT Py ESP32-S3 no psram Adafruit QT Py ESP32C3 Adafruit QT Py ESP32S2 Adafruit QT Py M0 Adafruit QT Py M0 Haxpress Adafruit QT Py RP2040 Adafruit QT2040 Trinkey Adafruit Rotary Trinkey M0 Adafruit Slide Trinkey M0 Adafruit Trellis M4 Express Adafruit Trinket M0 Adafruit-Qualia-S3-RGB666 AloriumTech Evo M51 Arduino MKR Zero Arduino Nano 33 BLE Arduino Nano ESP32 Arduino Nano RP2040 Connect Artisense Reference Design RD00 AtelierDuMaker nRF52840 Breakout BBQ20KBD BDMICRO VINA-D21 BDMICRO VINA-D51 BLE-SS dev board Multi Sensor BLOK BPI-Bit-S2 BPI-Leaf-S3 BPI-PicoW-S3 BastBLE BastWiFi Bee-Data-Logger Bee-Motion-S3 Bee-S3 BlueMicro833 BlueMicro840 COSMO-Pico CP Sapling M0 CP Sapling M0 w/ SPI Flash CP32-M4 CRCibernetica IdeaBoard Capable Robot Programmable USB Hub Cedar Grove StringCar M0 Express Challenger NB RP2040 WiFi Challenger RP2040 LTE Challenger RP2040 LoRa Challenger RP2040 SD/RTC Challenger RP2040 SubGHz Challenger RP2040 WiFi Challenger RP2040 WiFi/BLE Circuit Playground Express Digi-Key PyCon 2019 CircuitBrains Basic CircuitBrains Deluxe CrumpS2 Cytron Maker Feather AIoT S3 Cytron Maker Nano RP2040 Cytron Maker Pi RP2040 Cytron Maker Zero SAMD21 DFRobot Beetle ESP32-C3 Datanoise PicoADK Deneyap Kart Deneyap Kart 1A Deneyap Kart 1A v2 Deneyap Kart G Deneyap Mini Deneyap Mini v2 Diodes Delight Piunora DynOSSAT-EDU-EPS DynOSSAT-EDU-OBC DynaLoRa_USB E-Fidget ELECFREAKS PICO:ED ES3ink ESP 12k NodeMCU ESP32 Devkit V1 ESP32-C3-DevKitM-1 ESP32-C6-DevKitC-1-N8 ESP32-C6-DevKitM-1 ESP32-H2-DevKitM-1 ESP32-S2-DevKitC-1-N4 ESP32-S2-DevKitC-1-N4R2 ESP32-S2-DevKitC-1-N8R2 ESP32-S3-Box-2.5 ESP32-S3-Box-Lite ESP32-S3-DevKitC-1-N32R8 ESP32-S3-DevKitC-1-N8 ESP32-S3-DevKitC-1-N8R2 ESP32-S3-DevKitC-1-N8R8 ESP32-S3-DevKitC-1-N8R8-with-HACKTABLET ESP32-S3-DevKitM-1-N8 ESP32-S3-EYE ESP32-S3-USB-OTG-N8 Electrolama minik Electronic Cats Bast Pro Mini M0 Electronic Cats CatWAN USBStick Electronic Cats Hunter Cat NFC Electronic Cats NFC Copy Cat Electronut Labs Blip Electronut Labs Papyr EncoderPad RP2040 Escornabot Makech Espressif ESP32-EYE Espressif ESP32-LyraT Espressif-ESP32-S3-LCD-EV-Board Espruino Pico Espruino Wifi Feather MIMXRT1011 Feather MIMXRT1062 FeatherS2 FeatherS2 Neo FeatherS2 PreRelease FeatherS3 Fig Pi Fluff M0 Fomu Franzininho WIFI w/Wroom Franzininho WIFI w/Wrover Gravitech Cucumber M Gravitech Cucumber MS Gravitech Cucumber R Gravitech Cucumber RS HMI-DevKit-1.1 Hack Club Sprig Hacked Feather M0 Express with 8Mbyte SPI flash HalloWing M0 Express Hardkernel Odroid Go HexKyS2 HiiBot BlueFi IMXRT1010-EVK IMXRT1015-EVK IkigaiSense Vita nRF52840 IoTs2 J&J Studios datum-Distance J&J Studios datum-IMU J&J Studios datum-Light J&J Studios datum-Weather Kaluga 1 LILYGO T-DISPLAY LILYGO TEMBED ESP32S3 LILYGO TTGO T-01C3 LILYGO TTGO T-DISPLAY v1.1 LILYGO TTGO T-OI PLUS LILYGO TTGO T8 ESP32-S2 LILYGO TTGO T8 ESP32-S2 w/Display LOLIN S3 16MB Flash 8MB PSRAM LOLIN S3 MINI 4MB Flash 2MB PSRAM Lilygo T-watch 2020 V3 LoC BeR M4 base board Luatos Core-ESP32C3 M5STACK STAMP-C3 M5Stack Atom Echo M5Stack Atom Lite M5Stack Atom Matrix M5Stack Atom U M5Stack AtomS3 Lite M5Stack AtomS3U M5Stack Core Basic M5Stack Core Fire M5Stack Core2 M5Stack M5Paper M5Stack Stick C M5Stack Stick C Plus M5Stack Timer Camera X MDBT50Q-DB-40 MDBT50Q-RX Dongle MEOWBIT MORPHEANS MorphESP-240 Maker badge by Czech maker MakerDiary nRF52840 MDK MakerDiary nRF52840 MDK USB Dongle MakerFabs-ESP32-S3-Parallel-TFT-With-Touch-7inch Makerdiary M60 Keyboard Makerdiary Pitaya Go Makerdiary nRF52840 Connect Kit Makerdiary nRF52840 M.2 Developer Kit Melopero Shake RP2040 Meow Meow Metro MIMXRT1011 MicroDev microC3 MicroDev microS2 Mini SAM M4 MixGo CE NUCLEO STM32F746 NUCLEO STM32F767 NUCLEO STM32H743 NanoS3 Neuron OPENMV-H7 R1 Oak Dev Tech BREAD2040 Oak Dev Tech Cast-Away RP2040 Oak Dev Tech PixelWing ESP32S2 Open Hardware Summit 2020 Badge PCA10056 nRF52840-DK PCA10059 nRF52840 Dongle PCA10100 nRF52833 DK PYB LR Nano V2 Pajenicko PicoPad Particle Argon Particle Boron Particle Xenon PewPew 10.2 PicoPlanet PillBug Pimoroni Badger 2040 Pimoroni Badger 2040 W Pimoroni Inky Frame 5.7 Pimoroni Interstate 75 Pimoroni Keybow 2040 Pimoroni Motor 2040 Pimoroni PGA2040 Pimoroni Pico DV Base W Pimoroni Pico LiPo (16MB) Pimoroni Pico LiPo (4MB) Pimoroni Pico dv Base Pimoroni PicoSystem Pimoroni Plasma 2040 Pimoroni Plasma 2040W Pimoroni Servo 2040 Pimoroni Tiny 2040 (2MB) Pimoroni Tiny 2040 (8MB) ProS3 PyCubedv04 PyCubedv04-MRAM PyCubedv05 PyCubedv05-MRAM PyKey 18 Numpad PyKey 44 Ergo PyKey 60 PyKey 87 TKL PyboardV1_1 RP2.65-F RP2040 Stamp Raspberry Pi 4B Raspberry Pi Compute Module 4 Raspberry Pi Compute Module 4 IO Board Raspberry Pi Pico Raspberry Pi Pico W Raspberry Pi Zero Raspberry Pi Zero 2W Raspberry Pi Zero W Robo HAT MM1 M4 S2Mini S2Pico SAM E54 Xplained Pro SAM32v26 SPRESENSE SSCI ISP1807 Dev Board SSCI ISP1807 Micro Board ST STM32F746G Discovery STM32F411E_DISCO STM32F412G_DISCO STM32F4_DISCO Saola 1 w/Wroom Saola 1 w/Wrover Seeed Studio XIAO ESP32C3 Seeed XIAO nRF52840 Sense Seeeduino Wio Terminal Seeeduino XIAO Seeeduino XIAO KB Seeeduino XIAO RP2040 Serpente SiLabs xG24 Dev Kit SiLabs xG24 Explorer Kit Silicognition LLC M4-Shim Silicognition LLC RP2040-Shim SparkFun LUMIDrive SparkFun MicroMod RP2040 Processor SparkFun MicroMod SAMD51 Processor SparkFun MicroMod nRF52840 Processor SparkFun Pro Micro RP2040 SparkFun Pro nRF52840 Mini SparkFun Qwiic Micro SparkFun SAMD21 Dev Breakout SparkFun SAMD21 Mini Breakout SparkFun STM32 MicroMod Processor SparkFun Teensy MicroMod Processor SparkFun Thing Plus - RP2040 SparkFun Thing Plus - SAMD51 SparkFun Thing Plus - STM32 Sparkfun Thing Plus MGM240P StackRduino M0 PRO Swan R5 TG-Boards' Datalore IP M4 TG-Watch THUNDERPACK_v11 THUNDERPACK_v12 TTGO T8 ESP32-S2-WROOM Targett Module Clip w/Wroom Targett Module Clip w/Wrover Teensy 4.0 Teensy 4.1 Teknikio Bluebird The Open Book Feather TinkeringTech ScoutMakes Azul TinyPICO TinyPICO Nano TinyS2 TinyS3 Trinket M0 Haxpress UARTLogger II VCC-GND Studio YD RP2040 VCC-GND YD-ESP32-S3 (N16R8) VCC-GND YD-ESP32-S3 (N8R8) W5100S-EVB-Pico W5500-EVB-Pico WarmBit BluePixel nRF52840 Waveshare ESP32-S2-Pico Waveshare ESP32-S2-Pico-LCD Waveshare ESP32-S3-Pico Waveshare RP2040-LCD-0.96 Waveshare RP2040-LCD-1.28 Waveshare RP2040-Plus (16MB) Waveshare RP2040-Plus (4MB) Waveshare RP2040-Zero WeAct Studio Pico WeAct Studio Pico 16MB Wemos Lolin C3 Mini" // from Wemos MP Wemos Lolin C3 Pico" // from Wemos MP Winterbloom Big Honking Button Winterbloom Sol XinaBox CC03 XinaBox CS11 iLabs Challenger 840 iMX RT 1020 EVK iMX RT 1040 EVK iMX RT 1050 EVKB iMX RT 1060 EVK iMX RT 1060 EVKB keithp.com snekboard micro:bit v2 nanoESP32-S2 w/Wrover nanoESP32-S2 w/Wroom ndGarage[n°] Bit6: FeatherSnow-v2 ndGarage[n°]Bit6:FeatherSnow nice!nano nullbits Bit-C PRO senseBox MCU splitkb.com Liatris stm32f411ce-blackpill stm32f411ce-blackpill-with-flash takayoshiotake Octave RP2040 uChip uGame10 uGame22
C implementation of the common colorwheel() function found in many examples. Returns the colorwheel RGB value as an integer value for n (usable in neopixel and dotstar).