Version 2
Improved 4-digit nixie clock using Russian IN-17 nixies and eight ICs.
Version 3
A 4-digit nixie clock using big B7971 alphanumeric nixies and ten ICs.
Version 4
A 6-digit nixie clock using National NL-8423 nixies and a PIC 16F628.
Electromechanical Nixie Clock
An electromechanical 4-digit nixie clock with a IN13 seconds indicator.
Single Digit Nixie Clock
A single digit nixie clock controlled by a single PIC 16F84A. Two designs are included here; one for a standard 10-cathode nixie and another for the B7971 alphanumeric nixie.
World's Second Nixie Propeller Clock
A single digit nixie propeller clock that displays 6-digit time.