
Each head node consists of:
1 Raspberry Pi model B
16 Gb SD Card
USB hub
Battery ‘UPS’ powered
Downstream wired Ethernet to control the cluster
WiFi Client to connect to local network
WiFi Access Point for local admin devices
128Gb SSD for code/data repo
Real time clock
Touch screen LCD display
Camera (1 visible, 1 infra red)
The ‘slave’ Raspberry Pis in the cluster consist of:
64 Raspberry Pi model Bs
32Gb RAM
1Tb Flash memory
1153 controllable LEDs
8 Gigabit Network PoE switches

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