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update thermal printer README DC2 # n

cuu 5 months ago
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eba86ace01
1 changed files with 2 additions and 0 deletions
  1. 2 0
      Code/thermal_printer/README.md

+ 2 - 0
Code/thermal_printer/README.md

@@ -63,6 +63,8 @@ echo -en "\x12\x23\xe" > /tmp/DEVTERM_PRINTER_IN
 echo -en "\x12\x23\xf" > /tmp/DEVTERM_PRINTER_IN
 ```
 
+default density is 6
+
 
 #### DC2 T  
 print the test page