diff --git a/bin/firmware32c3v1.bin b/bin/firmware32c3v1.bin
new file mode 100644
index 0000000..3a48773
Binary files /dev/null and b/bin/firmware32c3v1.bin differ
diff --git a/platformio.ini b/platformio.ini
index a0825ad..ab11c20 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -40,7 +40,7 @@ build_flags =
 	-DUSER_SSID=\""\""           # =\""myssid\""
 	-DUSER_SSID_PWD=\""\""       # =\""mypwd\""	
 	-DCFG_APPVER="\"1.2.0\""
-	-DCFG_GITREV=\""beta-2\""
+	-DCFG_GITREV=\""beta-3\""
 	#!python script/git_rev.py
 lib_deps =
 	# Using local copy of these libraries
@@ -143,6 +143,39 @@ platform = ${common_env_data.platform32}
 upload_speed = ${common_env_data.upload_speed}
 monitor_speed = ${common_env_data.monitor_speed}
 extra_scripts = ${common_env_data.extra_scripts}
+build_unflags = 
+	${common_env_data.build_unflags}
+build_flags = 
+	-Wl,-Map,output.map
+	${common_env_data.build_flags}
+	-DLOG_LEVEL=5
+	-DCORE_DEBUG_LEVEL=0
+	-DESP32C3
+	-DARDUINO_ESP32C3_DEV
+	#-DUSE_SERIAL_PINS # Use the TX/RX pins for the serial port
+lib_deps = 
+	${common_env_data.lib_deps}
+	${common_env_data.lib_deps32}
+lib_ignore = 
+board = lolin_c3_mini 
+build_type = release
+board_build.partitions = part32.csv
+board_build.filesystem = littlefs 
+board_build.embed_txtfiles =
+	html/calibration.min.htm
+	html/config.min.htm
+	html/firmware.min.htm
+	html/format.min.htm
+	html/about.min.htm
+	html/index.min.htm
+	html/test.min.htm
+
+[env:gravity32c3v1-release]
+framework = ${common_env_data.framework}
+platform = ${common_env_data.platform32}
+upload_speed = ${common_env_data.upload_speed}
+monitor_speed = ${common_env_data.monitor_speed}
+extra_scripts = ${common_env_data.extra_scripts}
 build_unflags = 
 	${common_env_data.build_unflags}
 build_flags = 
diff --git a/script/copy_firmware.py b/script/copy_firmware.py
index 63a43d4..717fef8 100644
--- a/script/copy_firmware.py
+++ b/script/copy_firmware.py
@@ -45,6 +45,12 @@ def after_build(source, target, env):
         print( "Copy file : " + source + " -> " + target )
         shutil.copyfile( source, target )
 
+    if name == "gravity32c3v1-release" :
+        target = dir + "/bin/firmware32c3v1.bin"
+        source = dir + "/.pio/build/" + name + "/firmware.bin"
+        print( "Copy file : " + source + " -> " + target )
+        shutil.copyfile( source, target )
+
     if name == "gravity32s2-release" :
         target = dir + "/bin/firmware32s2.bin"
         source = dir + "/.pio/build/" + name + "/firmware.bin"