SparkFun Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for SparkFun products.

Tip: include the full model number printed on your SparkFun label for the best match.

SparkFun manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

sparkfun DIY Reaction Timer User Guide

sparkfun DIY Reaction Timer User Guide

February 13, 2026
DIY Reaction Timer Product Information Specifications: Name: DIY Reaction Timer Components: Single LED, Single Button Connections: LED between pin 12 and GND, Button between pins 7 and GND Code Example: Reaction Timer Serial Monitor Product Usage Instructions Wiring /…
Brand: sparkfun
sparkfun DIY Temperature Probe Thermistor User Guide

sparkfun DIY Temperature Probe Thermistor User Guide

February 13, 2026
DIY Temperature Probe / Thermistor  Name: _______________________________ Date: ___________ Introduction A thermistor is a special type of resistor whose resistance varies significantly with temperature -- more  than standard resistors. In fact, most thermistors have a negative thermal coefficient (NTC) - meaning that  the resistance decreases as the…
Brand: sparkfun
sparkfun DIY Photogate Timer User Guide

sparkfun DIY Photogate Timer User Guide

February 13, 2026
DIY Photogate Timer  Name: _______________________________ Date: ___________ Introduction The photogate is a fundamental tool to have in just about any physics or physical science classroom. A  photogate is essentially an IR LED transmit and receive pair separated by some distance - forming a gate. When the IR detector picks up an IR signal, it becomes a short (closing the circuit). We can…
Brand: sparkfun
sparkfun DIY Light Sensor Instructions

sparkfun DIY Light Sensor Instructions

February 13, 2026
DIY Light Sensor Name: _______________________________ Date: ___________ Introduction This devices is called a photocell, or sometimes also called a light dependant resistor (LDR). The material is made from Cadmium Sulfide (CdS), and decreases in resistance when exposed to light. At…
Brand: sparkfun
sparkfun Robot Physics Raw MotorSpeed User Guide

sparkfun Robot Physics Raw MotorSpeed User Guide

February 13, 2026
Raw Motor Speed (No Load)  Name: ____________________ Date: ___________ Introduction According to the product information page, the “No Load” speed of the motors is 90 RPM (+/- 10 RPM). The motors are enclosed inside a 48:1 gearbox -- it is assumed that the 90 RPM is at the output of the gearbox / motor assembly. Let’s see if we can characterize the speed of these motors! At full speed, you will notice that it is very…
Brand: sparkfun
sparkfun Characterizing Motors Drive Instructions

sparkfun Characterizing Motors Drive Instructions

February 13, 2026
Characterizing Motors Drive Product Information Specifications Name: Characterizing motors.drive()part II Introduction: Experimenting with RedBot's speed and drive power Duration: 2 seconds of continuous driving Product Usage Instructions Testing and Experimentation To test the relationship between speed and drivePower of the…
Brand: sparkfun
sparkfun Characterizing Motors Drive Hookup Instructions

sparkfun Characterizing Motors Drive Hookup Instructions

February 13, 2026
Characterizing Motors Drive Hookup Product Information: Specifications: Product Name: RedBotMotors Functionality: Control the speed and direction of a robot Input Parameter Range: 0 to 255 Time Unit for delay: 1 millisecond Microcontroller Frequency: 16 MHz Product Usage Instructions: Step 1:…
Brand: sparkfun
SparkFun GPS-26289 Dead Reckoning User Manual

SparkFun GPS-26289 Dead Reckoning User Manual

March 13, 2025
SparkFun GPS-26289 Dead Reckoning Specifications Product Name: GNSS Disciplined Oscillator (GNSSDO) Model: SparkPNT GNSSDO Manufacturer: SparkFun Antenna: L1/L2/L5 GNSS Surveying Antenna Connectivity: Ethernet, USB-C Power Supply: USB Power Delivery Wall Adapter (65W) Storage: 32GB microSD Card Class 10 WHAT’S INCLUDED?…
Brand: sparkfun
DIY Light Sensor Project Guide with Arduino

DIY Light Sensor Project Guide with Arduino

Project Guide • February 5, 2026
Learn how to build a DIY light sensor using a photocell (LDR) and an Arduino. This SparkFun project guide covers circuit design, wiring, and example code for measuring light levels with a voltage divider and analog input.
Brand: SparkFun
SparkFun Inventor's Kit v4.1.2 (SIK) RedBoard Qwiic Instruction Manual

SparkFun Inventor's Kit v4.1.2 (SIK) RedBoard Qwiic Instruction Manual

KIT-21301 • February 7, 2026 • Amazon
This instruction manual provides comprehensive guidance for the SparkFun Inventor's Kit v4.1.2 (SIK) RedBoard Qwiic. Learn to program and interact with hardware using the Arduino language through 16 interconnected circuits and five projects, including building an autonomous robot. Designed for beginners, this…
Brand: SparkFun
Micro Maestro 6-channel USB Servo Controller User Manual

Micro Maestro 6-channel USB Servo Controller User Manual

1350 • August 30, 2025 • Amazon
The six-channel Micro maestro raises the performance bar for serial servo controllers with features such as a native USB interface and internal scripting control. Whether you want high-performance servo control (0.25µs resolution with built-in speed and acceleration control) or a general I/O…
Brand: SparkFun

SparkFun video guides

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