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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 147.6
edited by Xiaoling
on 2022/06/17 14:47
Change comment: There is no comment for this version
To version 147.8
edited by Xiaoling
on 2022/06/17 14:48
Change comment: There is no comment for this version

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... ... @@ -1948,14 +1948,11 @@
1948 1948  
1949 1949  [[image:image-20220615153355-1.png]]
1950 1950  
1951 -(% _msthash="506138" _msttexthash="243997" %)
1952 -* (% style="background-color:yellow" %)1 < - -> GND  < - ->  Black
1951 +(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1953 1953  
1954 -(% _msthash="506139" _msttexthash="257166" %)
1955 -* (% style="background-color:yellow" %)5 < - ->  RXD  < - ->  White
1953 +(% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1956 1956  
1957 -(% _msthash="506140" _msttexthash="253799" %)
1958 -* (% style="background-color:yellow" %)9 < - ->  TXD  < - ->  Green
1955 +(% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1959 1959  
1960 1960  [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1961 1961  
... ... @@ -1977,22 +1977,15 @@
1977 1977  )))
1978 1978  
1979 1979  
1980 -
1981 1981  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1982 1982  
1983 1983  [[image:image-20220615153355-1.png]]
1984 1984  
1985 -(% _msthash="506141" _msttexthash="231309" %)
1986 -*
1987 -** (% style="background-color:yellow" %)4  < - ->  3.3V  < - ->  Blue
1981 +(% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1988 1988  
1989 -(% _msthash="506142" _msttexthash="257166" %)
1990 -*
1991 -** (% style="background-color:yellow" %)5 < - ->  RXD  < - ->  White
1983 +(% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1992 1992  
1993 -(% _msthash="506143" _msttexthash="253799" %)
1994 -*
1995 -** (% style="background-color:yellow" %)9 < - ->  TXD  < - ->  Green
1985 +(% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1996 1996  
1997 1997  Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
1998 1998