On the RFzero board
Atmel SAM D21G SMART ARM-based microcontroller
ST EEPROM M24128, RFzero v.2.x
Microchip EEPROM 24LC08B, RFzero v.1.x
Si5351A and Si5351A programming guide
In the RFzero library the Feedback Multisynth Divider variables are named a, b and c, just like in the datasheet/programming guide. However, the Output Multisynth Divider variables are named d, e and f instead of a, b and c.
T1 Coilcraft PWB-2-BLB and T1 Mini-Circuits ADP-2-1W+
The Coilcraft PWB-2-BLB transformer is the default T1 component.
u-blox NEO-7 and u-blox NEO-7 receiver description and protocol specification
ULN2803A Darlington transistor array