Tutorials
RedBoard vs. Uno
August 6, 2013
In this tutorial we discuss the differences and similarities between the RedBoard and the Arduino Uno (SMD and PTH). The development platforms
Red Box Robot Hookup Guide
November 23, 2016
Turn an iconic SparkFun red box into an obstacle-avoiding robot.
Red Hat Co.Lab Robotic hand kit curriculum guide
November 19, 2021
Hookup guide for Red Hat Robotic Hand kit
RedStick Hookup Guide
January 28, 2016
Learn about the SparkFun RedStick, a USB thumb drive-sized Arduino-compatible development platform.
Reducing Arduino Power Consumption
November 10, 2016
A tutorial about different ways to reduce the current draw for your next Arduino project the easy way.
RED-V Development Guide
November 27, 2019
This guide will help you get the RED-V RedBoard or Thing Plus up and running for the exhaust port. Depending on personal preference, there are a few environments to get started with the boards. All wings report in... we're going in full-throttle.
RED-V RedBoard Hookup Guide
November 22, 2019
This guide will go over the hardware of the RED-V RedBoard.
RED-V Thing Plus Hookup Guide
November 22, 2019
This guide will go over the hardware of the RED-V Thing Plus.
Reed Switch Hookup Guide
May 5, 2016
Magnetically-actuated reed switches are the perfect component for non-contact proximity sensors. This tutorial provides a quick overview and example hook up.
Re-Programming the LilyTiny / LilyTwinkle
September 11, 2014
A quick tutorial showing how to reprogram the ATtiny85 IC found on the LilyTiny or LilyTwinkle boards.
Resistors
April 1, 2013
A tutorial on all things resistors. What is a resistor, how do they behave in parallel/series, decoding the resistor color codes, and resistor applications.
RFID Basics
February 23, 2017
Dive into the basics of Radio Frequency Identification (RFID) technology.
RFID Beginners Tutorial
June 15, 2020
In this tutorial we'll revisit some RFID basics and practice by making a remote work logger using an RFID reader and a GPS module. You'll scan a card and get ID, location, and time. All the perfect data to punch in and punch out from the middle of Nowhere!
RFM69HCW Hookup Guide
April 29, 2016
The RFM69HCW is an inexpensive transceiver that you can use to create all kinds of wireless projects. This tutorial will help you get started.
RGB Panel Hookup Guide
December 12, 2013
Make bright, colorful displays using the 32x16, 32x32, and 32x64 RGB LED matrix panels. This hookup guide shows how to hook up these panels and control them with an Arduino.
RGB Panel Jumbotron
August 5, 2014
This tutorial will show you how to combine a webcam, a 32x32 RGB LED panel, and a Teensy 3.1 to stream video from the webcam, pixelate it, and display it on the LED panel - LIVE.
RHT03 (DHT22) Humidity and Temperature Sensor Hookup Guide
March 12, 2019
Measure relative humidity and temperature or your environment with the RHT03 (a.k.a DHT22) low cost sensor on a single wire digital interface connected to an Arduino!
RN-52 Bluetooth Hookup Guide
August 29, 2013
A hookup guide to get you started with the RN-52 Audio Bluetooth Module Breakout Board.
Roshamglo Hookup Guide
March 13, 2017
This tutorial provides everything you need to know to get started with the Roshamglo badge.
Roshamglo Project: TV-B-Gone
March 12, 2017
Turn your Roshamglo board into a (nearly) universal TV power button.
Rotary Dial Kit Assembly Guide
June 22, 2018
Put together your Rotary Dial Kit and light it up with our Arduino example code!
Rotary Switch Potentiometer Hookup Guide
April 30, 2015
How to use the Rotary Switch Potentiometer breakout board, with some sample applications.
RP2040 mikroBUS™ Development Board Hookup Guide
March 4, 2022
The RP2040 is the first microcontroller from the Raspberry Pi Foundation. Updated with the new mikroBUS™ socket, the RP2040 development board expands its horizons with a growing ecosystem of +1100 drop-in Click boards™. Click to learn more.
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.