ESP32

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Sending Sensor Data Over WiFi

January 16, 2022

This tutorial will show you how connect, send and receive sensor data between two ESP32 WiFi boards.

SparkFun RTK Facet Hookup Guide

December 16, 2021

Setup the RTK Facet in minutes to begin gathering millimeter level geospatial coordinates.

MicroMod GNSS Carrier Board (ZED-F9P) Hookup Guide

December 9, 2021

Easily switch between Processor Boards using the MicroMod ecosystem and get precision down to the diameter of a dime with the ZED-F9P from u-blox using the MicroMod GNSS Carrier Board!

MicroMod WiFi Function Board - ESP32 Hookup Guide

November 11, 2021

The MicroMod ESP32 Function Board adds additional wireless options to MicroMod Processor Boards that do not have that capability. This special function board acts as a coprocessor that takes advantage of Espressif's ESP32 WROOM to add WiFi and Bluetooth® to your applications.

smôl ESP32 Hookup Guide

October 20, 2021

Small in size, small on current draw. It's a smôl world! This guide will get you up and running with the smôl ESP32 Processor Board.

ESP32-S2 Thing Plus Hookup Guide

April 8, 2021

Looking to use the more secure ESP32-S2? Follow this hookup guide to get started.

MicroMod ESP32 Processor Board Hookup Guide

October 21, 2020

A short hookup guide to get started with the SparkFun MicroMod ESP32 Processor Board.

Getting Started with MicroMod

October 21, 2020

Dive into the world of MicroMod - a compact interface to connect a microcontroller to various peripherals via the M.2 Connector!

MicroMod All The Pins (ATP) Carrier Board

October 21, 2020

Access All The Pins (ATP) of the MicroMod Processor Board with the Carrier Board!

How to Build a DIY GNSS Reference Station

October 15, 2020

Learn how to affix a GNSS antenna, use PPP to get its ECEF coordinates and then broadcast your own RTCM data over the internet and cellular using NTRIP to increase rover reception to 10km!

Installing Board Definitions in the Arduino IDE

September 9, 2020

How do I install a custom Arduino board/core? It's easy! This tutorial will go over how to install an Arduino board definition using the Arduino Board Manager. We will also go over manually installing third-party cores, such as the board definitions required for many of the SparkFun development boards.

ESP32 OTA Updates over BLE from a React Web Application

July 2, 2020

Learn how to flash firmware Over-the-Air using a BLE React WebApp and ESP32

ESP32 Relay Web Server

September 10, 2019

The goal of this project is to have a website hosted on an ESP32 that controls any relay controlled device connected to a local network and keeps a dynamically updated state of those devices.

Using Home Assistant to Expand Your Home Automations

May 9, 2019

An introduction to Home Assistant, an open source home automation hub.

TFT LCD Breakout 1.8in 128x160 Hookup Guide

April 11, 2019

This TFT LCD Breakout is a versatile, colorful, and easy way to experiment with graphics or create a user interface for your project.

SparkFun ESP32 DMX to LED Shield

March 28, 2019

Learn how to utilize your DMX to LED Shield in a variety of different ways.

ESP32 Thing Plus Hookup Guide

March 7, 2019

Hookup guide for the ESP32 Thing Plus using the ESP32 WROOM's WiFi/Bluetooth system-on-chip in Arduino.

Transparent Graphical OLED Breakout Hookup Guide

March 7, 2019

The future is here! Our Qwiic Transparent Graphical OLED Breakout allows you to display custom images on a transparent screen using either I2C or SPI connections.

LuMini 8x8 Matrix Hookup Guide

January 24, 2019

The LuMini 8x8 Matrix (APA102-2020) are the highest resolution LED matrix available.

Live Spotify Album Art Display

January 23, 2019

Learn how to turn our 64x64 RGB LED Matrix Panel into a display for your current Spotify album art using an ESP32.

LuMini Ring Hookup Guide

January 17, 2019

The LuMini Rings (APA102-2020) are the highest resolution LED rings available.

SparkFun LoRa Gateway 1-Channel Hookup Guide

November 15, 2018

How to setup and use the LoRa Gateway 1-Channel in Arduino.

Introduction to MQTT

November 7, 2018

An introduction to MQTT, one of the main communication protocols used with the Internet of Things (IoT).

Old Tutorials

Looking for the old, archived tutorials? Head on over to the archived tutorials on the main SparkFun site.
Please be aware that the tutorials you find there are no longer actively maintained.