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+++ b/README.md
@@ -1,17 +1,34 @@
-<h2>LoRA tracker with KISS TNC capability</h2>
+#LoRA tracker with KISS TNC capability
+
+Tracker can be used on its own. 
+You can also connect it via blueetooth with APRSdroid.
+After connection with APRX based DIGI it can be used as KISS-TNC
+
+![TTGO scenarios](pics/digi-schemat.png)
+
+## Contributors
+
+* Initial work: OE1ACM, OE3CJB<br>
+* Redesigned: SQ9MDD<br>
+* KISS TNC Over Seriall or Bluetooth: SQ5RWU<br><br>
+
+
+## Supported boards
+
+* TTGO T-beam v.0.7
+* TTGO T-beam v.1.0 
+
+
+## User key functions:
+
+### short press:
+
+* if there is a GPS-FIX immediate sending of a frame with the position from the GPS
+* if there is no GPS-FIX, immediate sending of the frame with the position saved in the configuration
+
+### long press: on or off the GPS power supply 
+
+* if the "FIXED_BEACON_EN" option is enabled in the configuration, a beacon will be sent every set time interval
 
-Initial work: OE1ACM, OE3CJB<br>
-Redesigned: SQ9MDD<br>
-KISS TNC Over Seriall or Bluetooth: SQ5RWU<br><br>
-Hardware: TTGO T-beam v.1.0 / v.0.7
-<br><br>
-<h3>User key functions:</h3>
-1. short press:<br>
-- if there is a FIX immediate sending of a frame with the position from the GPS<br>
-- if there is no FIX, immediate sending of the frame with the position saved in the configuration<br>
-<br>
-2. long press: on or off the GPS power supply<br>
-- if the "FIXED_BEACON_EN" option is enabled in the configuration, a beacon will be sent every set time interval.<br>
-- 
 
 R.