A rpi + the driving circuits for the diodes would do the trick just fine. Actually a rpi might arguably be overpowered for such a task. This monument was inaugu

A rpi + the driving circuits for the diodes would do the trick just fine. Actually a rpi might arguably be overpowered for such a task. This monument was inaugurated 6 years after Apollo 11, it's basically prehistorical as far as electronics are concerned.