In this tutorial we will use the Arduino Create Web Editor to program the board. This project uses no external sensors or components. PC hardware monitoring using Arduino and Nokia 5110 display. Apart from changing the display, we will also. Create your own temperature and humidity monitor. Today, we will build an upgrade to that project by replacing the 16×2 LCD display with an ST7735 based 1.8 colored TFT display. The Bluetooth module HC-05 or HC-06 is connected with the Arduino’s pins 7 and 8. While the power supply pins are connected with the Arduino’s 5V and GND pins. ![]() ![]() The code presented above specifies a threshold of 20☌ and a tolerance of 0.5☌. Hi guys, in one of our previous tutorials, we built a real-time clock with temperature monitor using the DS3231 and the 16×2 LCD display shield. Wireless Temperature monitoring Circuit Diagram: The data pin of the DHT11 sensor is connected with the Arduino’s digital pin 12. * * Created by * * This example code is in the public domain * * Tutorial page: */ # include # include const int RELAY_PIN = A5 // Arduino pin connected to the relay's pin const int SENSOR_PIN = 2 // Arduino pin connected to DS18B20 sensor's DATA pin const float TEMPERATURE_THRESHOLD = 20 // ☌ OneWire oneWire(SENSOR_PIN) // setup a oneWire instance DallasTemperature sensor(&oneWire) // pass oneWire to DallasTemperature library float temperature int relay_state void setup() This project demonstrates how you can build a real-time clock (RTC) with a temperature display using Arduino, DS3231 RTC chip, and SSD1306 OLED display (128×64 pixel).
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