Small change in device schematic

A project log for DIY ultraviolet machine

Ultraviolet source based on mercury-vapor lamp & STM8

Alexey VoroninAlexey Voronin 05/09/2020 at 06:080 Comments

Added a resistor R5 to increase the noise immunity of the device.
The internal pull-up was weak and sometimes the launch started from interference in the mains ;-)