Random Nerd Tutorials
Shares


Want to Learn Electronics and Programming?


Random Nerd Tutorials helps makers, hobbyists and engineers build electronics projects. We make projects with: Arduino, ESP8266, ESP32, Raspberry Pi, Home Automation and Internet of Things. Enter your email address below to get started now with your next project!

Guide to SIM900 GSM GPRS Shield with Arduino

Shares

This post is a complete guide to the SIM900 GSM GPRS Shield with the Arduino. Learn how to send and receive SMS, make and receive phone calls with Arduino.

Continue Reading

Guide to SD Card Module with Arduino

Shares

In this post we’re going to show you how to use an SD card module with Arduino to read and write files on an SD card.

Continue Reading

Arduino Temperature Data Logger with SD Card Module

Shares

This post shows you how to create a temperature Arduino data logger. We’ll use the DHT11 to measure temperature, the real time clock (RTC) module to take time stamps and the SD card module to save the data on the SD card.

Continue Reading

Recommended Resources




Arduino Step-by-Step Projects »

Build 25 cool Arduino projects with our couse even with no prior experience!


Build a Home Automation System »

Learn how to build a automation system using open-source hardware and software from scratch

Creality 3D CR – 10 3D Printer Review – Best 3D Printer under $400

Shares

In this post I’m going to unbox and assemble the Creality 3D CR – 10 3D printer which costs approximately $400 with shipping included.

Continue Reading

Arduino EEPROM Explained – Remember Last LED State

Shares

In this post we’re going to explain what is the Arduino EEPROM and what it is useful for. We’re also going to show you how to write and read from the EEPROM and build a project example to put the concepts learned into practice.

Continue Reading

Decoding and Encoding JSON with Arduino or ESP8266

Shares

In this blog post you’re going to learn how to decode (parse a JSON string) and encode (generate a JSON string) with the ArduinoJson library using the Arduino with the Ethernet shield. This guide also works with the ESP8266 and ESP32 Wi-Fi modules with small changes.

Continue Reading

ESP8266 and Node-RED with MQTT (Publish and Subscribe)

Shares

In this post we’re going to show you how to control ESP8266 outputs and display sensor data from the ESP8266 on Node-RED. The Node-RED software is running on a Raspberry Pi, and the communication between the ESP8266 and the Node-RED software is achieved with the MQTT communication protocol.

Continue Reading

Getting Started with Node-RED Dashboard

Shares

This post is an introduction to Node-RED dashboard with Raspberry Pi. We’ll cover how to install Node-RED Dashboard and exemplify how to build a graphical user interface.

Continue Reading

Installing Raspbian Lite, Enabling and Connecting with SSH

Shares

In this post, I’ll show you how to download and prepare your Raspberry Pi with the latest version of the Raspbian Lite Operating System (OS) and how to establish an SSH communication.

Continue Reading

Video Streaming with Raspberry Pi Camera

Shares

In this post we’re going to show you how you can do video streaming with a Raspberry Pi and a Raspberry Pi Camera – how to stream live video into a web page that you can access in any device that has a browser and is connected to the same network the Pi is. This […]

Continue Reading

Guide to Raspberry Pi Camera V2 Module

Shares

This post is an introduction to the Raspberry Pi Camera V2 Module. We’ll cover the following topics: Raspberry Pi Camera V2 Module features Enable the Raspberry Pi Camera Connect the Camera Take photos with the camera Record video into a file

Continue Reading

Tevo Tarantula 3D Printer Kit Review – Best 3D Printer Under $200

Shares

In this post I’m going to review and assemble the Tevo Tarantula 3D printer which costs under $200 with shipping included. 

Continue Reading

Getting Started with MIT App Inventor 2 and Arduino

Shares

In this post I’m going to introduce you to the MIT App Inventor 2 software and I’m going to show you what you need to quickly getting started building Android apps that interact and control your Arduino.

Continue Reading

Gesture Slider Swiper with Arduino

Shares

This project was written by Emmanuel Odunlade and edited by Rui Santos.   In this post you’re going to learn how to set an Arduino UNO board as a USB HID keyboard and use gestures to swipe slides during a presentation.

Continue Reading

⏰ Early Black Friday 2017 Special ⏰
Download all our courses up to 35% off