1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
CH340 connected to ESP8266 (code upload) | OFF | OFF | OFF | OFF | ON | ON | ON | Not used |
CH340 connected to ESP8266 (connection) | OFF | OFF | OFF | OFF | ON | ON | OFF | Not used |
CH340 connected to ATmega2560 (code upload) | OFF | OFF | ON | ON | OFF | OFF | OFF | Not used |
CH340 connected to Mega2560 and COM3 ESP8266 | ON | ON | ON | ON | OFF | OFF | OFF | Not used |
Mega2560+ESP8266 | ON | ON | OFF | OFF | OFF | OFF | OFF | Not used |
All modules independent | OFF | OFF | OFF | OFF | OFF | OFF | OFF | Not used |