Placa de Desenvolvimento Feather 32u4 RFM96 LoRa Radio 433MHz - Adafruit

The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. Tons of functionalities is jammed into a 1.4 x 0.7 inch board.

A large LED array panel of dots to connect to your PI, Arduino and more! This large, bright 512 LEDs  has integrated controller circuits designed to facilitate direct use on your board.