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Cogwheel Circuitworks has a new home and it is  The site officially went live this morning and the new seven digit IN17 nixie clock is for sale.  Go check it it!


IN17x7 Nixie Clock


  • 7 tubes - This is unique to any production nixie tube clock; It allows time to be displayed accurate to one-tenth of a second. The rapidly changing display adds a great deal of visual interest
  • Accuracy – Utilizing a relatively new low-cost temperature-compensated crystal oscillator, time-keeping is accurate to less than 1 second per day
  • Battery-backup – Time, Date and configuration is maintained across power failures
  • Month, Day and Year – Can be periodically displayed
  • Daylight Savings Time – Automatic adjustment for daylight-savings time rules with programmable rules for many regions
  • Alarm with snooze – Alarm clock with snooze function
  • USB Interface - Allows control and upgrade of firmware PC and upgrade of firmware
  • Tube-saver – Daily display shutdown / start-up times
  • Periodic Chime – On the hour, half-hour or quarter hour
  • Cross-fade Effect – Next digit is lit before previous digit extinguished
  • Transition effects – Fade down/up, ‘Slot Machine’, Curtain Wipe, Random Wipe

About Cogwheel Circuit Works:

Cogwheel Circuit Works produces embedded electronic devices serving the electronics enthusiast, DIY, and Maker communities. Whenever possible, projects are released as open designs with no restrictions other than you must give us credit.



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