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This high power 4" diameter speaker will amp up any audio project where you need loud sound
logic level shifting for the Reset and I2C pins
and the USB port
requires 2 full H-bridges
it also has a Microchip PIC microcontroller
Adafruit Feather 32u4 with RFM69HCW Packet Radio - 433MHz LiIon & LiPoly This high power 4" diameterFeather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Adafruit Feather 32u4 Radio (RFM69HCW) 433MHz our take on an microcontroller packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a 433 MHz radio module cooked in! Great for making wireless networks that can