control_delta_VFD_using_arduino_mega_through_modbus-note:use arduino ide VFD and Encoder Controller Overview This Arduino sketch is designed for controlling a ...
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This gorgeous DIY IV-3 VFD clock is shared with full build files on GitHub. Uses IV-3 VFDs for a blue-green glow at ~30V - cheaper and lower-voltage than nixies. Complete repo includes schematics, ...