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WS2812B

This commit is contained in:
Koichi Ito 2026-08-17 20:20:21 +09:00
parent 05bd0182d7
commit 37dd61b229
1 changed files with 12 additions and 0 deletions
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12
firmware/firmware.ino
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@ -1,6 +1,12 @@
#include "BluetoothA2DPSink.h"
#include <Wire.h>
#include <U8g2lib.h>
#include <Adafruit_NeoPixel.h>
// WS2812B設定
constexpr uint8_t WS2812B_PIN = 13;
constexpr uint16_t WS2812B_COUNT = 1;
Adafruit_NeoPixel ws2812b(WS2812B_COUNT, WS2812B_PIN, NEO_GRB + NEO_KHZ800);
// I2C接続のOLED設定 (SSD1306 128x64)
U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);
@ -77,6 +83,12 @@ void volume_changed_callback(int volume) {
void setup() {
Serial.begin(115200);
// WS2812Bを緑で点灯
ws2812b.begin();
ws2812b.setBrightness(255);
ws2812b.setPixelColor(0, ws2812b.Color(0, 255, 0));
ws2812b.show();
// SDAをGPIO 19、SCLをGPIO 32 に設定
// （配線に合わせて Wire.begin(SDA_PIN, SCL_PIN) の順で指定します）
Wire.begin(19, 5);