This tutorial shows how to create a web server with a button that acts as momentary switch to remotely control ESP32 or ESP8266 outputs. The output state is HIGH as …
CONTINUE READING »ESP32/ESP8266 Web Server: Control Outputs with Momentary Switch
In this tutorial you’ll learn how to use ESP-NOW communication protocol to send data from one ESP32 to multiple ESP32 or ESP8266 boards (one-to-many configuration). The boards will be programmed …
CONTINUE READING »ESP-NOW with ESP32: Send Data to Multiple Boards (one-to-many)
Learn how to program the ESP32 or ESP8266 boards with MicroPython to publish BME280 sensor readings (temperature, humidity and pressure) via MQTT to any platform that supports MQTT or any …
CONTINUE READING »MicroPython: MQTT – Publish BME280 Sensor Readings (ESP32/ESP8266)
Learn how to program the ESP32 or ESP8266 boards with MicroPython to publish DHT11 or DHT22 sensor readings (temperature and humidity) via MQTT to any platform that supports MQTT or …
CONTINUE READING »MicroPython: MQTT – Publish DHT11/DHT22 Sensor Readings (ESP32/ESP8266)
In this guide, you’ll learn how to make HTTP GET and HTTP POST requests with the ESP8266 NodeMCU board with Arduino IDE. We’ll cover examples on how to get values, …
CONTINUE READING »ESP8266 NodeMCU HTTP GET and HTTP POST with Arduino IDE (JSON, URL Encoded, Text)
In this guide, you’ll learn how to make HTTP GET and HTTP POST requests with the ESP32 board with Arduino IDE. We’ll cover examples on how to get values, post …
CONTINUE READING »ESP32 HTTP GET and HTTP POST with Arduino IDE (JSON, URL Encoded, Text)
This guide shows additional functions to control an OLED display with MicroPython using the ESP32 or ESP8266. You’ll learn how to scroll the entire screen horizontally and vertically and how …
CONTINUE READING »MicroPython: SSD1306 OLED Display Scroll Functions and Draw Shapes (ESP32/ESP8266)
Learn how to publish temperature and humidity readings from a DHT11 or DHT22 sensor via MQTT with the ESP32 to any platform that supports MQTT or any MQTT client. As …
CONTINUE READING »ESP32 MQTT – Publish DHT11/DHT22 Temperature and Humidity Readings (Arduino IDE)
Learn how to publish BME280 sensor readings (temperature, humidity and pressure) via MQTT with the ESP32 to any platform that supports MQTT or any MQTT client. As an example, we’ll …
CONTINUE READING »ESP32 MQTT – Publish BME280 Sensor Readings (Arduino IDE)
In this getting started guide you’ll learn how to read digital inputs like a button switch and control digital outputs like an LED using the ESP32 with Arduino IDE. Prerequisites …
CONTINUE READING »ESP32 Digital Inputs and Digital Outputs (Arduino IDE)
Learn how to publish DS18B20 temperature readings via MQTT with the ESP32 to any platform that supports MQTT or any other MQTT client. As an example, we’ll publish sensor readings …
CONTINUE READING »ESP32 MQTT – Publish DS18B20 Temperature Readings (Arduino IDE)
In this tutorial you’ll learn how to get date and time from an NTP server using the ESP8266 NodeMCU with Arduino IDE. Getting date and time is useful in data …
CONTINUE READING »ESP8266 NodeMCU NTP Client-Server: Get Date and Time (Arduino IDE)
In this getting started guide you’ll learn how to read digital inputs like a button switch and control digital outputs like an LED using the ESP8266 NodeMCU board with Arduino …
CONTINUE READING »ESP8266 NodeMCU Digital Inputs and Digital Outputs (Arduino IDE)
Learn how to request date and time from an NTP Server using the ESP32 with Arduino IDE. Getting date and time is useful in data logging projects to timestamp readings. …
CONTINUE READING »ESP32 NTP Client-Server: Get Date and Time (Arduino IDE)