diff --git a/platformio.ini b/platformio.ini
index 9a53355..8500273 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -32,11 +32,24 @@ build_flags =
 	-D BOARD_M5ATOM
 	${env.build_flags}
 upload_port = /dev/esp32
+upload_protocol = esptool
 
 [env:m5stack-atom-canunit]
 board = m5stack-atom
 lib_deps =
         ${env.lib_deps}
 build_flags = 
-	-D BOARD_M5ATOM_CANUNIT
-	${env.build_flags}
+  -D BOARD_M5ATOM_CANUNIT
+  ${env.build_flags}
+upload_port = /dev/esp32
+upload_protocol = esptool
+
+[env:m5stickc-atom-canunit]
+board = m5stick-c
+lib_deps =
+        ${env.lib_deps}
+build_flags = 
+  -D BOARD_M5STICK_CANUNIT -D HAS_RTC -D HAS_M5LCD
+  ${env.build_flags}
+upload_port = /dev/esp32
+upload_protocol = esptool
diff --git a/tools/99-usb-serial.rules b/tools/99-usb-serial.rules
new file mode 100644
index 0000000..f1f7573
--- /dev/null
+++ b/tools/99-usb-serial.rules
@@ -0,0 +1 @@
+SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", SYMLINK+="esp32"