In this ESP32 tutorial, we will learn to use ESP32 MQTT as a Publisher and Subscriber using Arduino IDE. There will be one ESP32 MQTT publisher and two subscribers. We will publish DHT11 and DHT22 sensor readings to MQTT with ESP32 and one ESP32 will act as a subscriber and Node-Red Dashboard will also subscribe … Read more
In this tutorial, we will learn how to interface K-Type Thermocouple MAX6675 Amplifier with ESP8266 NodeMCU and how to use it to measure temperature. The guide includes a brief introduction of the module with its pinout and connection diagram with ESP8266. Additionally, we will show you two Arduino sketches where we will be able to … Read more
In this tutorial, we will learn how to interface K-Type MAX6675 thermocouple module with ESP32 and how to use it to measure temperature. The guide includes a brief introduction of the module with its pinout and connection diagram with ESP32. Additionally, we will show you two Arduino sketches where we will be able to access … Read more
In this tutorial, we will learn how how to use ADC (analog to digital converter) module of ESP32 development board with Arduino IDE. Furthermore, We will learn to measure analog voltage with ESP32 ADC channels. Recommended Components The following components are used in this project or are helpful for building it with the ESP32. Component … Read more
In this tutorial, we will learn how to interface MAX6675 thermocouple module with Arduino and how to use it to measure temperature. The guide includes a brief introduction of the module with its pinout and connection diagram with Arduino. Additionally, we will show you two Arduino sketches where we will be able to access the … Read more
In this user guide, we will learn to interface the DHT11 and DHT22 with Arduino which is used for humidity, and temperature using Arduino IDE. Firstly, we will learn about DHT11/DHT22 such as its introduction, pinout diagram, and interfacing diagram with Arduino. Secondly, we will see how to install the DHT sensors library in Arduino … Read more
In this user guide, we will learn to interface the DHT11 and DHT22 with ESP8266 NodeMCU which is used for humidity, and temperature using Arduino IDE. Firstly, we will learn about DHT11/DHT22 such as its introduction, pinout diagram, and interfacing diagram with ESP8266 NodeMCU. Secondly, we will see how to install the DHT sensors library … Read more
In this tutorial, we will create two types of IoT based clocks such as Analog and Digital using OLED display and ESP32 and ESP8266 NodeMCU development boards. We will use the NTP server to acquire the current time and display it on the OLED for the digital clock in a 24-hour format consisting of HH:MM: … Read more
In this comprehensive user guide, we will learn to interface SSD1306 OLED with ESP8266 NodeMCU using Arduino IDE. We will discuss how to display simple texts, set pixels, draw lines and shapes on OLED display with ESP8266. Additionally, we will also display monochrome bitmap images on the OLED screen. An OLED (organic light-emitting diode) is used … Read more
In this comprehensive user guide, we will learn to interface SSD1306 OLED with Arduino. We will discuss how to display simple texts, set pixels, draw lines and shapes on OLED display with Arduino. Additionally, we will also display monochrome bitmap images on the OLED screen. An OLED (organic light-emitting diode) is used frequently in displaying texts, … Read more