2 layers100 × 85 mm

Dekatron
kuvychko/universal-nixie-display
Six IN-14 Nixie tubes, an A101 dekatron and an ESP32 touchscreen in one desktop display: a clock, timer and toy, and a numeric display for a computer over USB.
165 parts1
Open-source boards designed in KiCad by kuvychko on GitHub, from 2 repositories. A board’s address here is its repository’s there.

kuvychko/universal-nixie-display
Six IN-14 Nixie tubes, an A101 dekatron and an ESP32 touchscreen in one desktop display: a clock, timer and toy, and a numeric display for a computer over USB.

kuvychko/nanovolt-divider
Programmable 1e-5/1e-6/1e-7 precision attenuator for nanovolt metrology: KiCad, ESP32 firmware, calibration method and results

kuvychko/universal-nixie-display
Six IN-14 Nixie tubes, an A101 dekatron and an ESP32 touchscreen in one desktop display: a clock, timer and toy, and a numeric display for a computer over USB.