Sensors

Qwiic Proximity Sensor (VCNL4040) Hookup Guide

February 28, 2019

The SparkFun Qwiic Proximity Sensor is a great, qualitative proximity (up to 20 cm) and light sensor. This hookup guide covers a few examples to retrieve basic sensor readings.

Qwiic Scale Hookup Guide

April 11, 2019

Create your own digital scale quickly and easily using the Qwiic Scale!

Qwiic SHIM Kit for Raspberry Pi Hookup Guide

February 16, 2021

Get started with the Serial LCD with RGB backlight and 9DoF IMU (ICM-20948) via I2C using the Qwiic system and Python on a Raspberry Pi! Take sensor readings and display them in the serial terminal or SerLCD.

Qwiic TMP117 High Precision Digital Temperature Sensor Hookup Guide

November 14, 2019

Add a high precision, digital temperature sensor to your projects using the TMP117 over the I2C!

Qwiic UV Sensor (VEML6075) Hookup Guide

December 20, 2018

Learn how to connect your VEML6075 UV Sensor and figure out just when you should put some sunscreen on.

Qwiic VR IMU (BNO080) Hookup Guide

April 30, 2018

Figure out how things are oriented with the robust 9 degrees of freedom (DOF) BNO080 IMU. Maybe even make your own virtual reality (VR) applications if you're feeling savvy.

Raspberry Pi Zero Helmet Impact Force Monitor

March 8, 2018

How much impact can the human body handle? This tutorial will teach you how to build your very own impact force monitor using a helmet, Raspberry Pi Zero, and accelerometer!

RedBoard Santa Trap

December 25, 2014

A fun holiday project to try for anyone looking to catch Santa on Christmas!

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.

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!

Rotary Dial Kit Assembly Guide

June 22, 2018

Put together your Rotary Dial Kit and light it up with our Arduino example code!

Sending Sensor Data over LoRa

November 4, 2022

This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data using LoRa.

Sending Sensor Data Over WiFi

January 16, 2022

This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards.

Sending Sensor Data via Bluetooth

April 14, 2023

In this tutorial, we will show you how to get started on incorporating Bluetooth into your electronics projects. This project uses a SparkFun Thing Plus ESP32 Wroom USB-C to display data from a Triple Axis Accelerometer over Bluetooth.

Sensor Kit Resource Hub

May 5, 2016

An overview of each component in the SparkFun Sensor Kit, plus links to tutorials and other resources you'll need to hook them up.

Si7021 Humidity and Temperature Sensor Hookup Guide

May 5, 2016

The Si7021 humidity and temperature sensor is an easy to use, digital, low-cost sensor to aid you in all your environment sensing needs.

SIK Keyboard Instrument

April 15, 2016

We can use the parts and concepts in the SparkFun Invetor's Kit to make a primitive keyboard instrument.

Simultaneous RFID Tag Reader Hookup Guide

February 23, 2017

A basic guide to getting started with the RFID Tag Reader breakout and how to read and write multiple RFID tags over multiple feet!

Single Supply Logic Level Converter Hookup Guide

August 9, 2018

The Single Supply Logic Converter allows you to bi-directionally translate signals from a 5V or 3.3V microcontroller without the need for a second power supply! The board provides an output for both 5V and 3.3V to power your sensors. It is equipped with a PTH resistor footprint for the option to adjust the voltage regulator on the low side of the TXB0104 for 2.5V or 1.8V devices.

SoftPot Hookup Guide

May 5, 2016

Equip your Arduino project with a sliding soft potentiometer to monitor position or adding linear control to your project.

Soil moisture-sensing by hacking a solar light

June 19, 2014

How to take a solar powered pathway light from a hardware store and make it into a crude soil moisture sensor.

Soil Moisture Sensor Hookup Guide

January 29, 2021

A quick hookup guide and project to get you started with the Soil Moisture Sensor from SparkFun.
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Old Tutorials

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Please be aware that the tutorials you find there are no longer actively maintained.