diff --git a/bitaxetool/config.csv b/bitaxetool/config.csv
new file mode 100644
index 0000000..a456648
--- /dev/null
+++ b/bitaxetool/config.csv
@@ -0,0 +1,9 @@
+#this is a placeholder config.csv file with default settings: 
+
+key,type,encoding,value
+main,namespace,,
+asicfrequency,data,u16,485
+asicvoltage,data,u16,1200
+asicmodel,data,string,BM1366
+devicemodel,data,string,ultra
+boardversion,data,string,0.11
diff --git a/bitaxetool/test_firmware_loading.py b/bitaxetool/test_firmware_loading.py
new file mode 100644
index 0000000..2b6c81e
--- /dev/null
+++ b/bitaxetool/test_firmware_loading.py
@@ -0,0 +1,33 @@
+import unittest
+import csv
+import os
+from bitaxetool import bitaxetool  # Import the module
+
+class TestFirmwareLoading(unittest.TestCase):
+    def test_load_firmware(self):
+        # Load config from CSV
+        config = self.load_config('config.csv')
+        
+        # Use local firmware file path
+        firmware_path = '/Users/usernameisjim/Desktop/bitaxetool/esp-miner.bin'
+        
+        # Determine serial port (hardcoded for this example)
+        serial_port = '/dev/tty.usbmodem101'
+        
+        # Flash firmware
+        result = bitaxetool.flash_bitaxe(firmware_path, config, serial_port)
+        
+        self.assertTrue(result, "Firmware flashing failed")
+
+    def load_config(self, csv_path):
+        config = {}
+        with open(csv_path, 'r') as csvfile:
+            reader = csv.DictReader(csvfile)
+            for row in reader:
+                config[row['key']] = row['value']
+        return config
+
+    # Removed download_firmware method
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file
diff --git a/esp-miner.bin b/esp-miner.bin
new file mode 100644
index 0000000..f6daae4
Binary files /dev/null and b/esp-miner.bin differ