Added precompiled image

Precompiled/README.md

@@ -0,0 +1,2 @@
+# Precompiled Firmware
+This directory contains the latest version of the precompiled firmware. You can download and flash this file to your RNode using the [RNode Config Utility](https://github.com/markqvist/rnodeconfigutil).

RNode_Firmware.ino

@@ -147,6 +147,7 @@ void receiveCallback(int packet_size) {
       Serial.write(FEND);
       Serial.write(CMD_STAT_RSSI);
       Serial.write((uint8_t)(last_rssi-rssi_offset));
+      Serial.write(FEND);
 
       // And then write the entire packet
       Serial.write(FEND);
@@ -172,6 +173,7 @@ void receiveCallback(int packet_size) {
     Serial.write(FEND);
     Serial.write(CMD_STAT_RSSI);
     Serial.write((uint8_t)(last_rssi-rssi_offset));
+    Serial.write(FEND);
 
     // And then write the entire packet
     Serial.write(FEND);