Schematic · 2021

RL1200 12-Hour 4-Digit Relay Nixie Clock — Schematic

KiCad schematic (2021-08-10) of the 54/55-relay G2R-2 nixie clock: capacitor-sampled relay registers, XOR-coil incrementers, relay decoder trees, CD4521/CD4017 timebase and MC34063 nixie HV boost.

Author: Jon Stanley, Catahoula Technologies
Year: 2021
Type: Schematic
Credit: Catahoula Technologies

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RL1200 12-Hour 4-Digit Relay Nixie Clock — Schematic

Input sampling capacitors Bit storage relays Hi Input sampling capacitors Bit storage relays 7 Input sampling capacitors Bit storage relays HOUR REGISTER 10 MIN REGISTER 1 MIN REGISTER Mux Increment HOUR DECODER F 10 MIN INCREMENT TIMEBASE NIXIE HV SUPPLY 1 MIN DECODER 42-hour 4-digit relay clock