Update README.md

TimerOverflow · web-flow · commit 5ae6830b0632 · 2021-09-14T16:01:39.000+09:00
diff --git a/README.md b/README.md
@@ -3,3 +3,4 @@ calculate crc16
 
 # Relate project
 - [AvrUart](https://github.com/TimerOverflow/AvrUart)
+- [AvrModbus](https://github.com/TimerOverflow/AvrModbus)

Original file line number	Diff line number	Diff line change
`@@ -3,3 +3,4 @@ calculate crc16`
`3`	`3`
`4`	`4`	`# Relate project`
`5`	`5`	`- [AvrUart](https://github.com/TimerOverflow/AvrUart)`
	`6`	`+- [AvrModbus](https://github.com/TimerOverflow/AvrModbus)`