add workPC poject

Alternate_Blink/Alternate_Blink.ino

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+/*
+  Blink
+
+  Turns an LED on for one second, then off for one second, repeatedly.
+
+  Most Arduinos have an on-board LED you can control. On the UNO, MEGA and ZERO
+  it is attached to digital pin 13, on MKR1000 on pin 6. LED_BUILTIN is set to
+  the correct LED pin independent of which board is used.
+  If you want to know what pin the on-board LED is connected to on your Arduino
+  model, check the Technical Specs of your board at:
+  https://www.arduino.cc/en/Main/Products
+
+  modified 8 May 2014
+  by Scott Fitzgerald
+  modified 2 Sep 2016
+  by Arturo Guadalupi
+  modified 8 Sep 2016
+  by Colby Newman
+
+  This example code is in the public domain.
+
+  https://www.arduino.cc/en/Tutorial/BuiltInExamples/Blink
+*/
+const char LED_BUILTIN1 = 19;
+const char LED_BUILTIN2 = 18;
+
+// the setup function runs once when you press reset or power the board
+void setup() {
+  // initialize digital pin LED_BUILTIN as an output.
+  pinMode(LED_BUILTIN1, OUTPUT);
+  pinMode(LED_BUILTIN2, OUTPUT);
+
+}
+
+// the loop function runs over and over again forever
+void loop() {
+  digitalWrite(LED_BUILTIN1, HIGH);  // turn the LED on (HIGH is the voltage level)
+  digitalWrite(LED_BUILTIN2, LOW);  // turn the LED on (HIGH is the voltage level)
+
+  delay(1000);                      // wait for a second
+  digitalWrite(LED_BUILTIN1, LOW);   // turn the LED off by making the voltage LOW
+
+  digitalWrite(LED_BUILTIN2, HIGH);   // turn the LED off by making the voltage LOW
+  delay(1000);                      // wait for a second
+}

Alternate_Blink/Blink.txt

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+Turn an LED on and off. 

BasicBlink/Blink.ino

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+/*
+  Blink
+
+  Turns an LED on for one second, then off for one second, repeatedly.
+
+  Most Arduinos have an on-board LED you can control. On the UNO, MEGA and ZERO
+  it is attached to digital pin 13, on MKR1000 on pin 6. LED_BUILTIN is set to
+  the correct LED pin independent of which board is used.
+  If you want to know what pin the on-board LED is connected to on your Arduino
+  model, check the Technical Specs of your board at:
+  https://www.arduino.cc/en/Main/Products
+
+  modified 8 May 2014
+  by Scott Fitzgerald
+  modified 2 Sep 2016
+  by Arturo Guadalupi
+  modified 8 Sep 2016
+  by Colby Newman
+
+  This example code is in the public domain.
+
+  https://www.arduino.cc/en/Tutorial/BuiltInExamples/Blink
+*/
+
+// the setup function runs once when you press reset or power the board
+const char LED_BUILTIN = 2;
+void setup() {
+  // initialize digital pin LED_BUILTIN as an output.
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+
+// the loop function runs over and over again forever
+void loop() {
+  digitalWrite(LED_BUILTIN, HIGH);  // turn the LED on (HIGH is the voltage level)
+  delay(2000);                      // wait for a second
+  digitalWrite(LED_BUILTIN, LOW);   // turn the LED off by making the voltage LOW
+  delay(2000);                      // wait for a second
+}

BasicBlink/Blink.txt

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+Turn an LED on and off. 

getHumidityAndTemperature/getHumidityAndTemperature.ino

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+/*!
+ * @file  getHumidityAndTemperature.ino
+ * @brief  DFRobot's SHT20 Humidity And Temperature Sensor Module
+ * @details  This example demonstrates how to read the user registers to display resolution and other settings.
+ * @n  Uses the SHT20 library to display the current humidity and temperature.
+ * @n  Open serial monitor at 9600 baud to see readings.
+ * @n  Errors 998 if not sensor is detected. Error 999 if CRC is bad.
+ * @copyright  Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
+ * @license  The MIT License (MIT)
+ * @author  [Zhangjiawei](jiawei.zhang@dfrobot.com)
+ * @maintainer  [qsjhyy](yihuan.huang@dfrobot.com)
+ * @version  V1.0
+ * @date  2021-12-03
+ * @url  https://github.com/DFRobot/DFRobot_SHT20
+ */
+#include "DFRobot_SHT20.h"
+#include <Wire.h>
+
+/**
+ * Hardware Connections:
+ * -VCC = 3.3V
+ * -GND = GND
+ * -SDA = A4 (use inline 330 ohm resistor if your board is 5V)
+ * -SCL = A5 (use inline 330 ohm resistor if your board is 5V)
+ */
+
+DFRobot_SHT20 sht20(&Wire, SHT20_I2C_ADDR);
+
+void setup()
+{
+  Serial.begin(115200);
+  Wire.begin(23,22); //new SDA SCL pins (D6 and D4 for esp8266)
+
+  // Init SHT20 Sensor
+  sht20.initSHT20();
+  delay(100);
+  Serial.println("Sensor init finish!");
+
+  /**
+   * Check the current status information of SHT20
+   * Status information: End of battery, Heater enabled, Disable OTP reload
+   * Check result: yes, no
+   */
+  sht20.checkSHT20();
+}
+
+void loop()
+{
+  /**
+   * Read the measured data of air humidity
+   * Return the measured air humidity data of float type, unit: %
+   */
+  float humd = sht20.readHumidity();
+
+  /**
+   * Read the measured temp data
+   * Return the measured temp data of float type, unit: C
+   */
+  float temp = sht20.readTemperature();
+
+  // Serial.print("Time:");
+  // Serial.print(millis());   // Get the system time from Arduino
+  Serial.print(" Temperature:");
+  Serial.print(temp, 1);   // Only print one decimal place
+  Serial.print("C");
+  Serial.print(" Humidity:");
+  Serial.print(humd, 1);   // Only print one decimal place
+  Serial.print("%");
+  Serial.println();
+
+  delay(1000);
+}