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Connecting Arduino to Processing

Send serial data from Arduino to Processing and back - even at the same time!

Getting Started with the SparkFun Blynk Board

How to provision a Blynk Board - get it connected to Wi-Fi and Blynk, so you can start Blynking!

LED Gumball Machine

Hacking gumball machines to make the world a happier, blinkier place.

Getting Started with the DA16200 FreeRTOS SDK

Interested in the DA16200 FreeRTOS SDK? This guide covers setting up the SDK in the Eclipse IDE and how to program our boards with the DA16200 module.


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Build Something

SparkFun RFID Starter Kit

KIT-13198
$53.50

Raspberry Pi Zero W

DEV-14277
$16.50

Raspberry Pi Pico

DEV-17829
$4.60

Raspberry Pi Zero 2 W

DEV-18713
$19.00

Raspberry Pi Pico H

DEV-20172
$5.50

Raspberry Pi 5 - 8GB

DEV-23551
$180.00

Raspberry Pi 5 - 2GB

DEV-26125
$70.00

Raspberry Pi Zero 2 W (with Headers)

DEV-26256
$20.70


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