readme

README.md

@@ -1,3 +1,14 @@
 # BPM Tapper
 
 A BPM Tapper for the Flipper Zero.
+
+![screenshot](img/screenshot.png)
+
+Hit any button other than back repeatedly. Calculates based on the average of the last 8 inputs.
+
+## Compiling
+
+```
+./fbt firmware_bpm_tapper
+```
+