Getting Started with Raspberry Pi
This article is an introduction to the Raspberry Pi. Learn what is a Raspberry Pi and what can you use it for. Explore its features, set it up, and install …
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Install Node-RED on Raspberry Pi (works on RPI OS 64-bit)
This is a quick guide showing how to install Node-RED on a Raspberry Pi. We tested this installation on Raspberry Pi OS (32-bit) and Raspberry Pi OS (64-bit). Prerequisites Before …
ESP32 with Load Cell and HX711 Amplifier (Digital Scale)
In this guide, you’ll learn how to create a scale with the ESP32 using a load cell and the HX711 amplifier. First, you’ll learn how to wire the load cell …
ESP32 with TDS Sensor (Water Quality Sensor)
In this guide, you’ll learn how to use a TDS meter (Total Dissolved Solids) with the ESP32. A TDS meter indicates the total dissolved solids like salts, minerals, and metals, …
ESP32: K-Type Thermocouple with MAX6675 Amplifier
In this guide, you’ll learn how to read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the ESP32 board. A K-type thermocouple is a type of temperature sensor …
ESP32 with BH1750 Ambient Light Sensor
The BH1750 is a 16-bit ambient light sensor. In this guide, you’ll learn how to use the BH1750 ambient light sensor with the ESP32 board using Arduino IDE. The sensor …
Testing Mosquitto Broker and Client on Raspberry Pi
In this tutorial, you’re going to test the Mosquitto MQTT Broker and MQTT Client on a Raspberry Pi. You’ll subscribe the MQTT client to an MQTT topic and publish sample messages. …
ESP8266 NodeMCU Plot Sensor Readings in Charts (Multiple Series)
This project shows how to build a web server with the ESP8266 NodeMCU board to plot sensor readings in charts with multiple series. As an example, we’ll plot sensor readings …
ESP32 Plot Sensor Readings in Charts (Multiple Series)
This project shows how to build a web server with the ESP32 to plot sensor readings in charts with multiple series. As an example, we’ll plot sensor readings from four …
200+ ESP8266 NodeMCU Projects, Tutorials and Guides with Arduino IDE​
200+ ESP8266 NodeMCU Projects, Tutorials and Guides with Arduino IDE The ESP8266 is an affordable development board that combines control of outputs/inputs and Wi-Fi capabilities. It is one of the …
250+ ESP32 Projects, Tutorials and Guides with Arduino IDE​
250+ ESP32 Projects, Tutorials and Guides with Arduino IDE The ESP32 is the ESP8266 successor loaded with lots of new features. The ESP32 is a development board that combines Wi-Fi …
MicroPython: ESP32/ESP8266 DS18B20 Web Server (Weather Station)
This tutorial is a step-by-step guide that covers how to build a standalone ESP32 or ESP8266 NodeMCU Web Server that displays DS18B20 sensor readings using MicroPython firmware. We’ll create an …
Learn ESP32 with Arduino IDE (eBook)
(3rd Edition) This is a practical eBook where you’ll learn how to take the most out of the ESP32 using the Arduino IDE. This is our complete guide to program the …
Access Node-RED Dashboard from Anywhere using Digital Ocean
This guide explains how to install Node-RED software on a Linux Ubuntu VM (Virtual Machine) using Digital Ocean. Running Node-RED in the cloud allows you to access your Node-RED Dashboard …