Second batch ZER0 boards are available. Improvements include:
AlienWhoop ZER0 flight controller for Whoop, Blade Inductrix, Eachine, BetaFPV, and other micro brushed quadcopter frames. Best in class flight controller running NotFastEnuf Silverware firmware.
For customers from USA/UK/AU, you could get the FC board from the local store.
For Frsky pilots, high recommend the Frsky XM receiver.
For Spektrum pilots, we recommend the FULLSPEED DSMX receiver.
Silverware was originally designed to support toy transmitters running the Bayang RC protocol. Support for professional RC protocols is being added over time. The AlienWhoop ZER0 will support these once the code is ready :
ZER0 dev team member Michael Montiverdi (MontiFPV) Pilot's Guide will take you step by step from understanding the board layout to getting your transmitter configured.
AlienWhoop ZER0 build video manual by VELCROFPV.