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/*  04.020 - Grove analog light sensor

   This sketch demonstrates how to use the Grove analog light sensor.

   The analog light sensor  is an analog device. It outputs a voltage
   level that depends on the intensity of ambient light.

   Upload this sketch and start the Serial monitor (you can also use
   the serial plotter). Wave your hand over the sensor and notice the
   change in the output displayed in the monitor.

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/*  04.010 - Grove temperature sensor (Temperature Sensor V1.1/1.2)
 *   
   This sketch read the voltage of a Grove temperature sensor and
   calculates the temperature in degrees C.

   The temperature sensor is an analog sensor.
   
   
   Components
   ----------

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/*  03.040 - Grove rotary potentiometer
 *   
   This sketch demonstrates how to use the Grove rotary potentiometer.

   The momentary button is an analog device (i.e. it outputs a voltage 
   level that depends on the position of the knob).
   
   
   Components
   ----------

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/*  03.030 - Grove touch sensor

   This sketch demonstrates how to use the Grove touch sensor.

   The touch sensor is a digital device (i.e. it can be "on" or "off" only).


   Components
   ----------

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/*  03.020 - Grove momentary button
 *   
   This sketch demonstrates how to use the Grove momentary button.

   The momentary button is a digital device (i.e. it can be "on" or "off" only).
   
   
   Components
   ----------
    

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// Define interfaces
#define LED_PIN 26 // —>|–[R]—3v3
#define RELAY_PIN 33
#define BUTTON_PIN 25 // —./.—-0V
// Define Timings
#define LED_ACTIVE_ON 0.2 // Flashing when relay output is active
#define LED_ACTIVE_OFF 0.2 // Time in seconds
#define LED_IDLE_ON 12 // On with short turn off when idle
#define LED_IDLE_OFF 0.5
#define RELAY_INTERVAL 6 // duration relay operates in seconds

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void setup() {
  Serial.begin(9600);

  while (!Serial)
  {}
  // put your setup code here, to run once:
  String str = "GET /?led06=1";

  int   led_index    = str.indexOf("led");
  int   equal_index  = str.indexOf("=");

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const byte LED_GPIO = 2;

volatile int interruptCounter;  // When this is not zero, we'll take a reading from the sensor
// The interrupt service routine will increment it.
// When the sensor is read, this variable is decremented.

volatile int blinkCounter = 0;

// The hardware timer pointer
hw_timer_t * timer = NULL;

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// Written by Peter Dalmaris.
// This is an example of how to record data from the Arduino 101 accelerometer to an SD card
// Part of a demonstration for the Arduino Bootcamp for Teachers Extension Project


#include <SPI.h>
#include <SD.h>
#include "CurieIMU.h"

const int chipSelect = 4;

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#include "FS.h"
#include "SPIFFS.h"

// a change

/* You only need to format SPIFFS the first time you run a
   test or else use the SPIFFS plugin to create a partition
   https://github.com/me-no-dev/arduino-esp32fs-plugin */
#define FORMAT_SPIFFS_IF_FAILED true