Rui Santos 
In this project we’re going to create an SMS notification system with the T-Call ESP32 SIM800L module that sends an SMS when sensor readings are above or below a certain …
This project shows how to connect the TTGO T-Call ESP32 SIM800L board to the Internet using a SIM card data plan and publish data to the cloud without using Wi-Fi. …
In this guide, you’ll learn how to create an ESP32/ESP8266 web server with three input fields to pass values to your ESP using an HTML form. Then, you can use …
In this project, you’ll learn how to build an asynchronous ESP32 web server with the DHT11 or DHT22 that displays temperature and humidity using Arduino IDE. The web server we’ll …
This tutorial is a step-by-step guide that shows how to build a standalone ESP8266 Web Server that controls two outputs (two LEDs). This ESP8266 NodeMCU Web Server is mobile responsive …
This guide shows what’s Deep Sleep and how to use it with the ESP8266 in the Arduino IDE. If you use the sleep functions with the ESP8266 it will save you power and ultimately your batteries will last longer.
There are a wide variety of temperature sensors compatible with Arduino, ESP32, ESP8266 and other development boards. So, it can be difficult to to pick up the most suitable sensor …
Learn how to plot sensor readings (temperature, humidity, and pressure) on a web server using the ESP32 or ESP8266 with Arduino IDE. The ESP will host a web page with …
Reading the temperature with the Arduino is a very useful task. There are a wide variety of temperature sensors with different features that you can use in your projects. In …
This is a in-depth guide for the DS18B20 temperature sensor with ESP8266 using Arduino IDE. We’ll cover how to wire the sensor, install the required libraries, and write the code …
This guide shows how to use the LM35 (LM35DZ), LM335 and LM34 temperature sensors with the Arduino board. We’ll show you how to wire the sensors and write the code …
This is a in-depth guide for the DS18B20 temperature sensor with ESP32 using Arduino IDE. We’ll show you how to wire the sensor, install the required libraries, and write the …
This tutorial shows how to use the DS18B20 temperature sensor with the ESP32 and ESP8266 using MicroPython firmware. You’ll learn how to read temperature from one DS18B20 sensor and multiple …
This tutorial shows how to generate PWM signals with ESP8266 NodeMCU using Arduino IDE. As an example, we’ll dim the LED brightness by changing the duty cycle over time. To …