![This node MCU with esp8266MOD is apparently missing a S4 diode, how can i find out if this diode is relevant to the function of the board and can i just solder This node MCU with esp8266MOD is apparently missing a S4 diode, how can i find out if this diode is relevant to the function of the board and can i just solder](https://external-preview.redd.it/Z8toUnaWgYamEhbI5KyLDeaNUevofmYkvE5mOMy9JOc.jpg?auto=webp&s=30aa2e4d03237d3490283268d4df459234adb429)
This node MCU with esp8266MOD is apparently missing a S4 diode, how can i find out if this diode is relevant to the function of the board and can i just solder
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