H E R A N o d e A r c h i t e c t u r e a n d S i g n a l P r o c e s s i n g
• H e x a g o n a l p a c k e d s t r u c t u r e t o mi n i mi z e n o i s e f r o m s y n c h r o t r o n e mi s s i o n • 3 5 0 d i s h e s • 3 0 P r o c e s s i n g N o d e s
R F I T i g h t P a n e l s
Wa v e g u i d e C a l c u l a t i o n s
Wh i c h mi c r o c o n t r o l l e r t o u s e ? R a s p b e r r y P i B e a g l e b o n e B l a c k A r d u i n o E t h e r n e t
Challenges • Ability to update software on ~30 Arduinos • Robust code that doesn’t get stuck • Ability to reset when things go real bad • Which node? • Server has control over Arduino • Protocols for shut down conditions
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