coXXect

Exercise run on Waveshare ESP32-C5-WIFI6-KIT-N16R8 to control onboard RGB LED using Adafruit_NeoPixel library. ESP32C5_RGB.ino /* Exercise run on Waveshare ESP32-C5-WIFI6-KIT-N16R8 to control onboard RGB LED using Adafruit_NeoPixel library. The onboard RGB on Waveshare ESP32-C5-WIFI6-KIT-N16R8 is connected to GPIO27. https://coxxect.blogspot.com/2026/02/waveshare-esp32-c5-wifi6-kit-n16r8-to.html */ #include <Adafruit_NeoPixel.h> // Pin where the onboard RGB is connected #define LED_PIN 27 // Number of LEDs (number of onboard RGB is 1) #define LED_COUNT 1 // Create NeoPixel object Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_RGB + NEO_KHZ800); void setup() { strip.begin(); // Initialize NeoPixel library strip.show(); // Turn OFF all pixels ASAP strip.setBrightness(50); // Adjust brightness (0–255) } void loop() { // Cycle through Red, Green, Blue strip.setPixelColor(0, strip.Color(255, 0, 0)); // Red strip.show(); delay(100...

my dev. board: Waveshare ESP32-C5-WIFI6-KIT-N16R8 Product Page: ~  https://www.waveshare.com/wiki/ESP32-C5-WIFI6-KIT-NXRX (English) ~  https://www.waveshare.net/wiki/ESP32-C5-WIFI6-KIT-N16R4 (Chinese) ~ ESP32-C5-WIFI6-KIT-NXRX Schematic Arduino Exercises: ~  Waveshare ESP32-C5-WIFI6-KIT-N16R8 to control onboard RGB LED using Adafruit_NeoPixel library .

picodvi is a CircuitPython library of low-level routines for interacting with PicoDVI Output. This exercise run on Raspberry Pi Pico (RP2040) running CircuitPython 10.0.3 to display on HDMI monitor with Spotpear Pico HDMI Board . pico-hdmi.py , basic test. """ Pico HDMI Board on CircuitPython Basic test. details: https://coxxect.blogspot.com/2026/02/pico-hdmi-board-on-circuitpython.html Ref: https://docs.circuitpython.org/en/latest/shared-bindings/picodvi/ https://learn.adafruit.com/using-dvi-video-in-circuitpython/using-a-framebuffer-and-picodvi lib needed: - adafruit_display_text folder Install lib using circup: circup install adafruit_display_text """ import os, sys import board import displayio import framebufferio import picodvi from adafruit_display_text import label import terminalio import time import gc displayio.release_displays() #======================================= info = os.uname()[4] + "\n" + \ sys.impleme...

Previous posts show Basic setup of 1.28 inch 240x240 Round Display with GC9A01 SPI on Raspberry Pi Pico 2 W/CircuitPython 10.0.3  and display bmp images from SD using displayio.OnDiskBitmap()/adafruit_imageload.load()  This post shows how to display animated GIFs from MicroSD. The connection between Raspberry Pi Pico 2 W, GC9A01 LCD and the MicroSD Module refers to the last post, display bmp images from SD using displayio.OnDiskBitmap()/adafruit_imageload.load()   Ref: https://docs.circuitpython.org/en/latest/shared-bindings/gifio/index.html#gifio.OnDiskGif Exercise Code: cpy_rpPicoW_gc9a01_sd_OnDiskGif.py. Cooperate with displayio, this mode is relatively slow. """ Raspberry Pi Pico 2 W/CircuitPython 10.0.3 with 1.28" 240x240 Round GC9A01 SPI IPS LCD Display animated GIF in SD, using gifio.OnDiskGif. Cooperate with displayio, this mode is relatively slow. https://coxxect.blogspot.com/2026/02/raspberry-pi-pico-2-wcircuitpython-1003.html ref: https:...

Spotpear Pico HDMI Board schematic: Links: ~ Spotpear Raspberry Pi Pico HDMI Board User Guide Exercise: ~  Pico HDMI Board on CircuitPython

Raspberry Pi Pico 2 W with CircuitPython 10.0.3, to display BMP images from an MicroSD card on a 240*240 GC9A01 Round LCD , using displayio.OnDiskBitmap() and adafruit_imageload.load(). Reference: -  displayio.OnDiskBitmap() -  adafruit_imageload.load() All bmp were resized and converted from jpg to 240*240 RGB888 bmp using FFmpeg . Connection: Raspberry Pi Pico 2 W ===================== GP28| GND | GP27| GP26| Run | GP22| ------- LCD_BLK ------------+ GND | | GP21| ------- LCD_DC ---------+ | GP20| ------- LCD_RES-------+ | | +------- SD_MISO|GP12 GP19| MOSI - SPI_SDA ----+ | | | | +----- SD_CS |GP13 GP18| SCK - SPI_SCL --+ | | | | | | |GND GND | | | | |...