Merge branch 'main' of https://github.com/sq2ips/m20-custom-firmware

README.md

@@ -1 +1,12 @@
 # m20-custom-firmware
+
+# What works
+- GPS: partialy
+- Radio: :x:
+- Uart: :heavy_check_mark:
+- temperature sensor: :x:
+- barometer: :x:
+- humidity sensor: :x:
+
+# GPS
+M20 uses xm1110 gps module but with custom firmware that transmits only binary protocol data.