diff --git a/.gitignore b/.gitignore
index 39f96ad..fa34f9c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,4 +19,5 @@ Cargo.lock
 # Added by cargo
 
 /target
-*.bin
\ No newline at end of file
+/fw
+/firmware
\ No newline at end of file
diff --git a/test/waterlevel/firmware_INA226_4-5-6.bin b/test/waterlevel/firmware_INA226_4-5-6.bin
new file mode 100644
index 0000000..e69de29
diff --git a/test/waterlevel/firmware_INA233_1-2-3.bin b/test/waterlevel/firmware_INA233_1-2-3.bin
new file mode 100644
index 0000000..e69de29