This guide shows how to connect the TTGO T-Call ESP32 SIM800L board to the Internet using a SIM card data plan and publish/subscribe to a cloud MQTT broker without using …
CONTINUE READING »Connect ESP32 to Cloud MQTT Broker (TTGO T-Call ESP32 SIM800L)
This tutorial shows how to use Server-Sent Events (SSE) in an ESP32 Web Server programmed with Arduino IDE. SSE allows the browser to receive automatic updates from a server via …
CONTINUE READING »ESP32 Web Server using Server-Sent Events (Update Sensor Readings Automatically)
In this tutorial you’ll learn how to build a web server with the ESP32 using WebSocket communication protocol. As an example, we’ll show you how to build a web page …
CONTINUE READING »ESP32 WebSocket Server: Control Outputs (Arduino IDE)
Learn how to program the ESP32 and ESP8266 NodeMCU boards using VS Code (Microsoft Visual Studio Code) with PlatformIO IDE extension. We cover how to install the software on Windows, …
This tutorial shows how to control your ESP32 or ESP8266 boards through a Telegram group. Using a Telegram group to control your boards may be useful if you want to …
CONTINUE READING »Telegram Group: Control ESP32/ESP8266 Outputs (Arduino IDE)
This tutorial shows how to build an ESP32 web server with a slider to control the LED brightness. You’ll learn how to add a slider to your web server projects, …
CONTINUE READING »ESP32 Web Server with Slider: Control LED Brightness (PWM)
In this project you’ll learn how to host an ESP32 web server and use ESP-NOW communication protocol at the same time. You can have several ESP32 boards sending sensor readings …
CONTINUE READING »ESP32: ESP-NOW Web Server Sensor Dashboard (ESP-NOW + Wi-Fi)
This tutorial shows how to build a web server weather station with the ESP32 to display sensor readings from the BME680 environmental sensor: gas (air quality), temperature, humidity and pressure. …
CONTINUE READING »ESP32 Web Server with BME680 – Weather Station (Arduino IDE)
The BME680 is an environmental digital sensor that measures gas, pressure, humidity and temperature. In this guide you’ll learn how to use the BME680 sensor module with the ESP32 board …
This tutorial shows how to send notifications to your Telegram account when the ESP32 detects motion. As long as you have access to the internet in your smartphone, you’ll be …
CONTINUE READING »Telegram: ESP32 Motion Detection with Notifications (Arduino IDE)
This guide shows how to control the ESP32 or ESP8266 NodeMCU GPIOs from anywhere in the world using Telegram. As an example, we’ll control an LED, but you can control …
CONTINUE READING »Telegram: Control ESP32/ESP8266 Outputs (Arduino IDE)
This guide shows how to request ESP32 or ESP8266 NodeMCU sensor readings using Telegram. As an example, we’ll request temperature and humidity readings from a BME280 sensor. You just need …
CONTINUE READING »Telegram: Request ESP32/ESP8266 Sensor Readings (Arduino IDE)
If you’re having trouble compiling code for your ESP32 or ESP8266 boards using Arduino IDE due to an error downloading the boards’ URLs, you can follow this guide to help …
In this project we’ll show you how to build an IoT shield PCB for the ESP32 and a web server dashboard to control it. The shield is equipped with a …
CONTINUE READING »ESP32 IoT Shield PCB with Dashboard for Outputs and Sensors