Teensy 3.5 without Headers - SparkFun DEV-14055 sen0171 important} Arduino Uno WiFi Rev2

important} Arduino Uno WiFi Rev2 upgrades the classic UNO with built-in Wi-Fi & Bluetooth® Low Energy via the u-blox NINA-W102 module

its probably a good time to upgrade your set up and accessorize using all of the Model B+'s

Library: None

If you're looking for an excellent switch that won't get flipped by accident

Teensy 3.5 without Headers - SparkFun DEV-14055 sen0171 important} Arduino Uno WiFi Rev2Feature Rich Teensy 3. x Board with 5V Tolerant Digital Inputs The Teensy 3. 5 without headers is a strong step up from smaller Teensy boards when you need more I O, more memory, and a faster processor but still want a compact board for real embedded work. It uses a 120 MHz ARM Cortex M4, brings out a large number of pins, and stands out in the Teensy 3. x family because its digital input pins are 5V tolerant. Important: This version comes without