hollyhockberry

// Connect RFID Unit2 to Port.A

#include <M5Unified.h>
#include "MFRC522_I2C.h"  // https://github.com/m5stack/M5Stack/tree/master/examples/Unit/RFID_RC522

static MFRC522 mfrc522_(0x28);
static String data = "";

void setup() {
  M5.begin();

hollyhockberry

#include <M5StickC.h>

float _x, _y, _z;

void setup() {
  M5.begin();
  M5.Imu.Init();
  M5.IMU.getAccelData(&_x, &_y, &_z);
}

hollyhockberry

// ESP-NOW broadcast sender

#include <Arduino.h>
#include <esp_now.h>
#include <WiFi.h>

// タクトスイッチのピン
constexpr uint8_t SW_PIN = G39;
constexpr uint8_t CHANNEL = 1;
constexpr uint8_t BROADCAST[] = {

hollyhockberry

#include <Arduino.h>
#include <Wire.h>

float read_distance() {
  Wire.beginTransmission(0x57);
  Wire.write(0x01);
  Wire.endTransmission();
  ::delay(50);
  if (Wire.requestFrom(0x57, 3) != 3) {
    return -1;

hollyhockberry

#include <M5Unified.h>
#include <BleMouse.h>  // https://github.com/T-vK/ESP32-BLE-Mouse

BleMouse mouse;

void move(bool left) {
  const uint8_t dx = 100 * (left ? -1 : 1);
  for (auto i = 0; i < 10; ++i) {
    mouse.move(dx, 0);
    ::delay(1);

hollyhockberry

// SG90  brown  -> GND
//       red    -> 5v
//       orange -> G26

#include <M5Atom.h>

void setDegree(double deg) {
  Serial.printf("Deg: %f\r\n", deg);
  auto v = deg * (2.4 - 0.5) / 180.0 + 0.5;
  v /= 20.0;

hollyhockberry

#define LGFX_USE_V1
#include <SPIFFS.h>
#include <LovyanGFX.hpp>

constexpr static char PNG_FILE[] = "/picture.png";

class LGFX : public lgfx::LGFX_Device {
  lgfx::Panel_GC9A01 _panel_instance;
  lgfx::Bus_SPI _bus_instance;
  lgfx::Light_PWM _light_instance;

hollyhockberry

#include <Arduino.h>
#include <SparkFun_SCD30_Arduino_Library.h>

SCD30 airSensor;

void setup() {
  Serial.begin(115200);
  Wire.begin(1, 0);
  if (airSensor.begin() == false) {
    ESP_LOGE("", "Failed to begin SCD30.");

hollyhockberry

#include <Arduino.h>
#include <IRsend.h>

static IRsend irsend(26);
static constexpr int input_pin = 13;

void setup() {
  irsend.begin();
}

hollyhockberry

#include <Arduino.h>
#include <IRsend.h>

volatile SemaphoreHandle_t xMutex = NULL;
int targetVolume = 0;
int currentVolume = targetVolume;

constexpr int input_pin = 13;

void task_main(void* arg) {