RV3028 Real-Time Clock (RTC) Breakout Brand_Sanwa This is the Adafruit Feather

This is the Adafruit Feather M0 Bluefruit LE - our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built-in USB and battery charging

This is a 1

4 Channel Digital Audio Input & Output

among others

RV3028 Real-Time Clock (RTC) Breakout Brand_Sanwa This is the Adafruit FeatherAn ultra low power ( ~100 nA), highly accurate real time clock breakout. The RV3028 RTC breakout is perfect for adding timekeeping to your project and, thanks to the tiny on board battery, it'll keep time when your device is powered off. Like all the best timepieces, it's Swiss made! Check out our full range of Breakout's and Breakout Garden's here The RV3028 RTC is factory calibrated and is quoted to drift by just 1 second per million seconds at 25