Pololu A-Star 32U4 Mini LV Connector_3.5mm Jack for example connected together as

for example connected together as Grove compatible modules

FLASH chip

FIT0063 - 10 sets M3 * 10 hexagonal standoffs mounting kit x1

The improvements over the previous generation and competing products include:

Individual parts are also available for sale

Pololu A-Star 32U4 Mini LV Connector_3.5mm Jack for example connected together asThe A Star 32U4 Mini LV is a programmable module based on the ATmega32U4 from Microchip (formerly Atmel). Unlike competing products, it has an on board switching step up step down regulator that allows it to be powered efficiently from a 2. 7 V to 11. 8 V supply. This compact 1. 9 0. 7 board breaks out all 26 of the microcontrollers I O pins (of which 7 can be used as PWM outputs and 12 as analog inputs), and loading programs is made easier by a Micro