Four Letter Word Clock

Four Letter Word device with B-7971 tubes using smartsockets

A Four Letter Word device using B-7971 nixie tubes. These devices have a history that goes back to 1973! Since then, they have popped up now and then in various forms using different display tubes.

Each tube is driven by a smartsocket created by Chris Barron and the tubes are driven by a driver created by John Smout @ Every five seconds, a new word (from a list of about 3,500!) is displayed and the time is shown every minute, when the transition effect is also changed. The case is made from 3mm thick plywood (Eurolite РItalian Poplar), laser cut at etched by Ponoko in New Zealand.

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