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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:…
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…
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…
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…
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!…
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…
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…
DIY Temperature Probe / Thermistor: A SparkFun Guide

DIY Temperature Probe / Thermistor: A SparkFun Guide

Project Guide
Explore how to build a DIY temperature probe using a 10K NTC thermistor and Arduino. This guide details thermistor principles, the Steinhart-Hart equation, and practical implementation for temperature sensing.
Raw Motor Speed (No Load) Investigation with RedBot

Raw Motor Speed (No Load) Investigation with RedBot

Experiment Guide
Learn how to measure the no-load rotational speed of a RedBot motor using video analysis with the Tracker software. This guide details setup, data processing, and analysis for characterizing motor…
DIY Light Sensor Project Guide with Arduino

DIY Light Sensor Project Guide with Arduino

Project Guide
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…

sparkfun manuals from online retailers

SparkFun Bi-Directional Logic Level Converter User Manual

SparkFun Bi-Directional Logic Level Converter User Manual

8541715698 • January 22, 2026
Comprehensive user manual for the SparkFun Bi-Directional Logic Level Converter (Model 8541715698), providing setup, operating instructions, specifications, and troubleshooting guidance for interfacing 3.3V and 5V systems.
SparkFun Weather Meter Kit 15901 Instruction Manual

SparkFun Weather Meter Kit 15901 Instruction Manual

15901 • December 26, 2025
Comprehensive instruction manual for the SparkFun Weather Meter Kit (Model 15901), detailing assembly, operation of wind speed, wind direction, and rainfall sensors, and technical specifications.
SparkFun LTE Stick - Lara-R6 User Manual

SparkFun LTE Stick - Lara-R6 User Manual

LARA-R6401 • August 25, 2025
Comprehensive user manual for the SparkFun LTE Stick - Lara-R6, covering setup, operation, maintenance, troubleshooting, and specifications for this LTE Cat 1 module development platform.

sparkfun video guides

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