description of led blinks

diff --git a/docs/leds.txt b/docs/leds.txt
new file mode 100644 (file)
index 0000000..1ac1d1e
--- /dev/null
+++ b/docs/leds.txt
@@ -0,0 +1,12 @@
+GREEN LED D3 | RED LED D4 | Description 
+-------------+------------+-------------------------------------------
+OFF          | OFF        | Standby Mode 
+1Hz FLASH    | OFF        | Upstream heartbeat frame
+OFF          | FLASH      | Upstream Alarm Steam and Check angle value 
+4Hz flash synchronosly    | Push button S6 
+ON                        | Reset to default setting
+
+RED LED D5 | Description
+-----------+--------------------------
+ON         | Connect to NB‐IOT network 
+OFF        | No NB network