What is a Battery?
An overview of the inner workings of a battery and how it was invented.
The basics behind the batteries used in portable electronic devices: LiPo, NiMH, coin cells, and alkaline.
Simblee LilyPad Hookup Guide
The Simblee LilyPad lets you easily integrate Bluetooth Low Energy and mobile apps into your e-textiles projects.
EL Wire Light-Up Dog Harness
Learn how to create a light-up dog harness using EL wire for when you need to take your four-legged friend for a walk in the dark.
LiPo USB Charger Hookup Guide
How to charge your LiPo batteries with the USB LiPo charger. Plus how to modify your charger to set the charge current.
An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.
How LEDs are Made
We take a tour of a LED manufacturer and learn how PTH 5mm LEDs are made for SparkFun.
The Uncertain 7-Cube
The Uncertain 7-Cube is a non-committal, less-than-helpful, but also entirely honest fortune teller. Simply ask it a yes or no question, give it a nudge, and the 7-Cube will dutifully inform you that it doesn’t have all the facts and doesn’t feel comfortable making a guess.
Photon Battery Shield Hookup Guide
The Photon Battery Shield has everything your Photon needs to run off, charge, and monitor a LiPo battery. Read through this hookup guide to get started using it.
ESP32 Thing Hookup Guide
An introduction to the ESP32 Thing's hardware features, and a primer on using the WiFi/Bluetooth system-on-chip in Arduino.
How Chip-On-Boards are Made
COB or chip-on-board is a low cost way of soldering an IC to a PCB. Checkout this tutorial to see how it is done!
9DoF Razor IMU M0 Hookup Guide
How to use and re-program the 9DoF Razor IMU M0, a combination of ATSAMD21 ARM Cortex-M0 microprocessor and MPU-9250 9DoF-in-a-chip.
My Drunk Kitchen Apron
A fun project that uses the LilyPad MP3 trigger. This apron will dispense helpful kitchen advice and humor from the host of My Drunk Kitchen, Hannah Harto!
SAMD21 Mini/Dev Breakout Hookup Guide
An introduction to the Atmel ATSAMD21G18 microprocessor and our Mini and Pro R3 breakout boards. Level up your Arduino-skills with the powerful ARM Cortex M0+ processor.
Getting Started with the LilyPad MP3 Player
The LilyPad MP3 Player is an amazing little board that contains almost everything you need to play audio files. You can use it to create all kinds of noisy projects, from MP3 hoodies to talking teddy bears. Your imagination is the only limit! This tutorial will help you get started.
What is Electricity?
We can see electricity in action on our computers, lighting our houses, as lightning strikes in thunderstorms, but what is it? This is not an easy question, but this tutorial will shed some light on it!
All things Arduino Shields. What they are and how to assemble them.
RedStick Hookup Guide
Learn about the SparkFun RedStick, a USB thumb drive-sized Arduino-compatible development platform.
Mini FET Shield Hookup Guide
Learn how to hookup and use the FET shield for Arduino Pro Mini 3.3V. With this shield, you can control much larger loads such as motors or large LED strips without straining your Arduino's power.
ProtoSnap LilyPad Development Simple Hookup Guide
Interested in getting into LilyPad? Or maybe it's Arduino that tickles your fancy? Just want to add a little white-blinky-LED zest to your vest? All of the above? The ProtoSnap LilyPad Simple is a great tool to explore any of these subjects.
Dungeons and Dragons Dice Gauntlet
A playful, geeky tutorial for a leather bracer that uses a LilyPad Arduino, LilyPad accelerometer, and seven segment display to roll virtual 4, 6, 8, 10, 12, 20, and 100 side dice for gaming.
IoT Industrial Scale
What does a baby elephant weigh? How much impact force does a jump have? Answer these questions and more by building your very own IoT industrial scale using the SparkFun OpenScale.
How to Read a Schematic
An overview of component circuit symbols, and tips and tricks for better schematic reading. Click here, and become schematic-literate today!