Adafruit Gemma Sequin Starter Pack Category_Grove (Arduino)/Grove Radio/RF Zumo 32U4 OLED Main Board

Zumo 32U4 OLED Main Board (this includes two magnetic encoder discs that work with encoder sensors integrated into the main board and a through-hole buzzer )

and you can just supply power to it by normal battery or USB

while I2C interface power can start working just by connecting to the development boards

80 kHz bandwith that can optionally be decreased by adding a capacitor across the board pins marked “filter”

Beyond being a simple FM radio

Adafruit Gemma Sequin Starter Pack Category_Grove (Arduino)/Grove Radio/RF Zumo 32U4 OLED Main BoardMake your wearables glow with the GEMMA sequin pack ! This GEMMA parts pack makes it easy to add light to your wearables. It comes with thread, needles, a holder for 2 x CR2032 coin cell batteries, a GEMMA sewable microcontroller, and warm white Adafruit LED Sequins. This pack is perfect for adding a little sparkle to any garment or accessory, and is a great way to get started sewing electronics. Note : As of June 20th, 2016 this pack no longer comes