Both ESP8266-12E and ESP8266-07 have one ADC pin that is easily accessible. This means that those ESP8266 boards can read analog signals. In this tutorial we’ll show you how to …
This tutorial shows how to control the ESP32 and ESP8266 GPIOs as digital inputs and digital outputs using MicroPython firmware. As an example, you’ll learn how to read the value …
In this project we’ll modify a commercial motion sensor (powered with mains voltage) with an ESP8266 to log data whenever motion is detected. The data will be sent to Node-RED using MQTT communication protocol.
This tutorial shows how to use the I2C LCD (Liquid Crystal Display) with the ESP32 using Arduino IDE. We’ll show you how to wire the display, install the library and …
In this post you’ll learn how to power the ESP8266 (or ESP32) with mains voltage using the Hi-Link HLK-PM03 converter. As an example, we’ll use the ESP8266-01 to control a …
In this tutorial, we’ll show you how to use MQTT to exchange data between two ESP32/ESP8266 boards using MicroPython firmware. As an example, we’ll exchange simple text messages between two …
In this project you’ll discover how integrate the ESP8266 Multisensor Shield for the Wemos D1 Mini board with Node-RED. The ESP8266 Multisensor Shield will establish an MQTT connection with a Raspberry …
In this project you’ll discover how to design and create a Multisensor Shield for the ESP8266 Wemos D1 Mini board. The shield has temperature sensor (DS18B20), a PIR motion sensor, an …
In this tutorial we’re going to show you how to publish sensor readings to Google Sheets using ESP32 or ESP8266 board. As an example, we’ll publish temperature, humidity, and pressure …
In this project you’ll learn how to use the ESP Easy firmware on a Sonoff basic smart switch and control it with Node-RED using Node-RED dashboard. The Node-RED software is …
In this post, you’re going to learn how to flash custom firmware in the Sonoff device, so that you can control it with your own web server. I recommend that …
In this guide you’ll learn how to use WiFiManager with the ESP8266 board. WiFiManager allows you to connect your ESP8266 to different Access Points (AP) without having to hard-code and …
In this project you’re going to learn how to build a sensor node with an ESP8266 that publishes the temperature and humidity once a day to a free service called …
In this project you’ll create a standalone web server with an ESP8266 that can toggle two LEDs using Arduino IDE. This ESP8266 Web Server is mobile responsive and it can be …