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Category Archives for ESP8266

Power ESP8266 with Mains Voltage using Hi-Link HLK-PM03 Converter

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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 relay with a web server. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, tips, and […]

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MicroPython – Getting Started with MQTT on ESP32/ESP8266

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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 ESP boards. The idea is to use the concepts learned here to exchange sensor readings, or commands. Learn ESP32 with Arduino IDE This our complete […]

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What is MQTT and How It Works

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In this article, we’re going to introduce you to the MQTT protocol. MQTT stands for Message Queuing Telemetry Transport. It is a lightweight publish and subscribe system where you can publish and receive messages as a client. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, […]

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ESP8266 Multisensor Shield with Node-RED

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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 Pi running Node-RED and Mosquitto MQTT broker. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, […]

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Build a Multisensor Shield for ESP8266

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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 LDR, and a terminal to connect a relay module. We’ll start by preparing all the hardware and then program it. Learn ESP32 with Arduino IDE […]

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How to Use I2C LCD with ESP32 on Arduino IDE (ESP8266 compatible)

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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 try sample code to write text on the LCD: static text, and scroll long messages. You can also use this guide with the ESP8266. Learn […]

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Getting Started with ESP8266 WiFi Transceiver (Review)

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The ESP8266 is a Wi-Fi module great for IoT and Home Automation projects. This article is a getting started guide for the ESP8266 development board.  Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, tips, and tricks! The registrations are open, so SIGN UP NOW » Recommended […]

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ESP32 Publish Sensor Readings to Google Sheets (ESP8266 Compatible)

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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 readings using the BME280 sensor to a Google Sheets spreadsheet every 30 minutes – we’ll be using IFTTT. Learn ESP32 with Arduino IDE This our […]

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Control Sonoff Basic Switch with ESP Easy Firmware and Node-RED

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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 running on a Raspberry Pi. The ESP Easy firmware can also be integrated with other home automation platforms like Home Assistant, Domoticz, openHAB, etc… Learn […]

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Reprogram Sonoff Smart Switch with Web Server

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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 you read my previous post to get familiar with the Sonoff. We also have additional resources that describe how to flash a custom firmware to the […]

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WiFiManager with ESP8266 – Autoconnect, Custom Parameter and Manage your SSID and Password

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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 upload new code to your board. Additionally, you can also add custom parameters (variables) and manage multiple SSID connections with the WiFiManager library. Learn ESP32 […]

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Build an ESP8266 Web Server – Code and Schematics

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This tutorial is a step-by-step guide that shows you how to build a standalone ESP8266 Web Server that controls two outputs (two LEDs). This ESP8266 Web Server is mobile responsive and it can be accessed with any device that as a browser in your local network. Learn ESP32 with Arduino IDE This our complete guide to […]

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ESP8266 Daily Task – Publish Temperature Readings to ThingSpeak

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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 Thing Speak. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, tips, and tricks! The registrations […]

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ESP8266 Web Server with Arduino IDE

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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 accessed with any device that as a browser in your local network. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 […]

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