“A pendulum clock with a NixieTube (IN-12b) that plots the time in the air it passes.
It is a pendulum clock with a NixieTube (IN-12b) that plots the time in the air it passes. A magnet at the bottom of the pendulum gets pushed by an stationary air coil, as soon as it “looks” directly down. The positions of the plotted numbers are acquired by an ic accelerometer. The pendulum is ball-beard. If I would build this clock angain, i would use a ESP8266 or ESP32 smd chip so it could be flashed over the air (OTA!) but then you’ll need a logic-level-converter from 3,3V to 5V for 74141-Input and IRL540N MOSFET. You can find here: -Scheematics -Partslist -Instructions”