X-Git-Url: http://git.rot13.org/?p=Arduino-Nano-VA-meter;a=blobdiff_plain;f=Makefile;h=71b5d2798507c99f57c1b8aae6962a392c1e0a50;hp=09e7878a95631cb0db04ae2c350dd36bc0567de0;hb=HEAD;hpb=79ded4bf468066cbbd500c2b8df9128fb55815dd

diff --git a/Makefile b/Makefile
index 09e7878..71b5d27 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-SERIAL=/dev/ttyUSB0
+SERIAL ?= /dev/ttyUSB0
 
 all: main.hex
 
@@ -11,3 +11,6 @@ flash: main.hex
 
 serial:
 	microcom -p $(SERIAL) -s 9600
+
+trend:
+	microcom -p $(SERIAL) -s 9600 | trend -geometry 800x200 -v -c1a -c2a -L V,A - 600x1