This post is about the WS2812B LED strip, which is an addressable RGB LED strip. The information in this post also works with other similar LED strips, such as strips of the WS28XX …
In this post I’m going to review the TEVO Michelangelo 3D printer. The TEVO Michelangelo is a small desktop 3D printer that comes fully assembled. All you have to do …
In this tutorial we’ll explore the basic principles of LoRa, and how it can be used with the ESP32 for IoT projects using the Arduino IDE. To get you started, …
This project shows how to log data with timestamps to a microSD card using the ESP32. As an example, we’ll log temperature readings from the DS18B20 sensor every 10 minutes. …
This project shows how to use MQTT communication protocol with the ESP32 to publish messages and subscribe to topics. As an example, we’ll publish BME280 sensor readings to the Node-RED …
In this project you’ll use an infrared (IR) receiver and an Arduino to control 3 LEDs with a remote control. This is useful to re-use old remote controls or give some functionally …
In this project you’re going to build a time attendance system with MFRC522 RFID Reader and Arduino. When you swipe an RFID tag next to the RFID reader, it saves …
In this project we’re going to show you how to request sensor data via SMS with the Arduino. As an example we’re going to request the temperature and humidity from …
In this post we’re going to to take a look and review the JYETech DSO150 digital oscilloscope. An oscilloscope is an essential tool in electronics but its price may be …
20 Easy Raspberry Pi Projects book is a beginner-friendly collection of electronics projects using the Raspberry Pi. The Raspberry Pi is a tiny and affordable computer, for beginners looking to make cool things right away. Projects are explained with full-color visuals and simple step-by-step instructions.
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 …
This post is a complete guide to the SIM900 GSM GPRS Shield with the Arduino. Learn how to send and receive SMS and how to make and receive phone calls …
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 …