Arduino Day Sale

Today's the last day to score deal on your favorite boards!

The Arduino Day Sale has ended. We hope you got some cool stuff for your next project!

Today is the last day of this year's Arduino Day Sale! Special prices end at 11:59pm MT on April 3rd. Here are some of our most heavily discounted and top-selling items, but don't forget to also take 15% off all SparkFun Originals. See the rules below for more details. Have a happy Arduino Day!

Arduino Pro Mini 328 - 5V/16MHz

DEV-11113
$10.95

Arduino Pro Mini 328 - 3.3V/8MHz

DEV-11114
$10.95

Arduino Uno - R3

DEV-11021
$27.60

Big Easy Driver

ROB-12859
$21.50

SparkFun RedBoard - Programmed with Arduino

DEV-13975
$21.50

SparkFun ESP32 Thing

DEV-13907
$23.50

SparkFun MicroView - OLED Arduino Module

DEV-12923
$44.95

SparkFun ESP8266 Thing

WRL-13231
$18.50

STEMTera (Pink)

DEV-14084
Retired

Makey Makey - Standard Kit

WIG-11511
Retired

SparkFun Inventor's Kit for RedBot

ROB-12649
Retired

SparkFun RedStick

DEV-13741
Retired

Tsunami Super WAV Trigger

WIG-13810
Retired

Shapeoko Deluxe Kit

TOL-13882
Retired

SparkFun Tinker Kit

KIT-13930
Retired

SparkFun Weather Shield

DEV-13956
$42.95

Sale prices are for customer and guest roles only. Sales prices while supplies last. No backorders on sales items allowed and no combining of carts allowed. Some items may have maximum order quantities per order.