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 ;-)
A project log for DIY ultraviolet machine
Ultraviolet source based on mercury-vapor lamp & STM8
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 ;-)
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