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

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... ... @@ -1948,11 +1948,14 @@
1948 1948  
1949 1949  [[image:image-20220615153355-1.png]]
1950 1950  
1951 -(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1951 +(% _msthash="506138" _msttexthash="243997" %)
1952 +* (% style="background-color:yellow" %)1 < - -> GND  < - ->  Black
1952 1952  
1953 -(% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1954 +(% _msthash="506139" _msttexthash="257166" %)
1955 +* (% style="background-color:yellow" %)5 < - ->  RXD  < - ->  White
1954 1954  
1955 -(% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1957 +(% _msthash="506140" _msttexthash="253799" %)
1958 +* (% style="background-color:yellow" %)9 < - ->  TXD  < - ->  Green
1956 1956  
1957 1957  [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1958 1958  
... ... @@ -1974,15 +1974,22 @@
1974 1974  )))
1975 1975  
1976 1976  
1980 +
1977 1977  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1978 1978  
1979 1979  [[image:image-20220615153355-1.png]]
1980 1980  
1981 -(% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1985 +(% _msthash="506141" _msttexthash="231309" %)
1986 +*
1987 +** (% style="background-color:yellow" %)4  < - ->  3.3V  < - ->  Blue
1982 1982  
1983 -(% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1989 +(% _msthash="506142" _msttexthash="257166" %)
1990 +*
1991 +** (% style="background-color:yellow" %)5 < - ->  RXD  < - ->  White
1984 1984  
1985 -(% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1993 +(% _msthash="506143" _msttexthash="253799" %)
1994 +*
1995 +** (% style="background-color:yellow" %)9 < - ->  TXD  < - ->  Green
1986 1986  
1987 1987  Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
1988 1988