Member Since: September 7, 2010

Country: United States

A brief overview of various antenna connectors, including tutorials on the subject

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The SAMD21 boards have the ability to add additional UART, SPI and I2C ports. Check out our new tutorial explaining how to set them up.

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All About Ham Radio

An introduction to the world of amateur radio.

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A walk-through of building what turned out to be a complicated prop.

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We all know that women are not only a minority in technical fields, but are often not encouraged to go into such fields. Here are a few ways to encourage and support the girls/women in our lives who are interested in technical fields.

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How to Use a Ruler

April 11, 2019

Showing off some of the features of the SparkFun Ruler.

Adding More SERCOM Ports for SAMD Boards

February 4, 2019

How to setup extra SPI, UART, and I2C serial ports on a SAMD-based boards.

Flashlight Kit

October 11, 2018

This is an assembly guide for the SparkFun Flashlight Kit, a basic learn to solder kit.

Getting Started with the Raspberry Pi Zero Wireless

July 13, 2017

Learn how to setup, configure and use the smallest Raspberry Pi yet, the Raspberry Pi Zero - Wireless.

TB6612FNG Hookup Guide

September 29, 2016

Basic hookup guide for the TB6612FNG H-bridge motor driver to get your robot to start moving!

SD Cards and Writing Images

June 4, 2015

How to upload images to an SD card for Raspberry Pi, PCDuino, or your favorite SBC.

Installing an Arduino Bootloader

December 4, 2013

This tutorial will teach you what a bootloader is and why you would need to install or reinstall it. We will also go over the process of burning a bootloader by flashing a hex file to an Arduino microcontroller.

How to Use a Breadboard

May 14, 2013

Welcome to the wonderful world of breadboards. Here we will learn what a breadboard is and how to use one to build your very first circuit.
  • It is just a bunch of PTH holes that are not connected to anything. You will have to wire them to the Arduino yourself (probably running a wire from the proto area to the extra row of shield headers). Check out the hookup guide for more information as there is a whole section that goes over the proto area.

  • Based on the outline and the polarity markings on the bottom of the board, this header is designed to be used from the bottom of the board.

  • One of the main reasons was microcontrollers may or may not have pullups and we wanted to make sure our I2C boards will plug and play. Whether or not your microcontroller has pullups or not you should be able to plug in the board and just get started, you only tend to start running into problems when you have quite a few (in which case the new trace solder jumpers are the easiest option for change). In other words what Englandsaurus said as well as wanting these to be as easy as possible to start with.

  • Hmm, I have drill sizes and wire gauge, but not that, I'll definitely consider that for a 'respin'.

  • I did consider doing 10<sup>-6</sup> instead of 10^6. I agree it is generally easier to use I didn't want to make the exponent too small on the ruler since that is the number you actually want to see. I actually don't think I've ever heard of ELI the ICE man, not sure how I missed it. I'll definitely consider the others if we do a revision though.

  • I'd just go ahead and place the backorder. We are building more at the moment, and they should be back in stock soon.

  • This actually isn't glue, it is copper tape, but the sticky part of the tape is conductive as well.

  • We don't actually have a Digi-key online store. Digi-key is a distributor of ours, but that means they buy what they want and resell it, so while they carry quite a few things of ours they do not carry the whole catalog (and what they carry is up to them). But, Digi-Key should have their own wirewrap (in fact I believe they carry this exact part MFG part: R30B-0100). I'm glad our relationship with Digi-key helps you get what you need though.

  • While it looks like the Eagle files on this may have been lost, we do have the gerbers for the panel to order PCBs on file. Please contact support@sparkfun.com and they should be able to get those to you.

  • Thanks for the feedback, I designed the board to use both, but figured I'd likely only use the APAs which have been working with all the power sources I've given it. That is also another advantage to running it off the battery. I can plug it it and keep the battery charged, while running off the battery/charger output which is a bit lower.

micro:bit SIK lite (no micro:bit or cable)

M-Short 16 items

The SparkFun Inventor’s Kit (SIK) for micro:bit is a great...


M-Short 9 items

Parts needed for "Breadboard Tutorial"


M-Short 9 items

Components that would be in the Hack HD starter kit. We've...

Analog Projects Kit

M-Short 15 items

Magnetic Switch - ESCP p67 Magnetic Music - ESCP...

DIY IR Beacon

M-Short 24 items

Wish list for DIY IR Beacon. There are a few changes based...

Deluxe Tool Kit

M-Short 17 items

Probably not for beginners, but everything you would would...

E-textile Basics Lab Pack (LAB-13165)

M-Short 62 items

"The E-textile Basics Lab Pack is a basic wearables learning...


M-Short 22 items

Subtotal = $151.85

Class D Amp SFE = $7.95 each, Adafruit...

Sensor Kit - DEV-13754

M-Short 23 items

This kit includes a sensor for just about every job. With...

101 Kit

M-Short 32 items

This will need headers on the motor driver, sound detector...

Microsoft Azure IoT Starter Kit - SparkFun Thing

M-Short 9 items

Microsoft and SparkFun have gotten together to bring you...

Drone landing base

M-Short 5 items

Pro minis come in 3.3V and 5V (as do FTDI boards). The...

Itty Bitty Maker Kit

M-Short 30 items

Add your own microcontroller and get building...

Hardware (4-40)

M-Short 13 items

Basic 4-40 parts Sell in new parts kit Include a screwdriver...

Prototyping Kit - Idea

M-Short 14 items

Add new parts box and new 4" jumpers. Maybe without the...

Inventor Parts Kit

M-Short 35 items

This is designed to be used in all SIK type lab packs and...