diff --git a/README.md b/README.md
index a9dee50..12562a7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # appUpload
 
-Here the Uploader for the installation of FluidNC on the ESP32 boards
+Here the Uploader for the installation of FluidNC on the ESP32 boards. The programs are from https://github.com/bdring/FluidNC
 
 ## Installation
 Installation:
diff --git a/uploadScript/askStatus_Serial.py b/uploadScript/askStatus_Serial.py
index da016f4..df8c4b1 100644
--- a/uploadScript/askStatus_Serial.py
+++ b/uploadScript/askStatus_Serial.py
@@ -1,5 +1,5 @@
 import serial
-ser = serial.Serial("/dev/ttyS0", 115200, timeout=1)
+ser = serial.Serial("/dev/ttyUSB0", 115200, timeout=1)
 #ser.write(open("Config_DollarDollar.txt","rb").read())
 
 
@@ -10,9 +10,9 @@ ser.write(serialcmd.encode())
 print(serialcmd)
 
 f = open("Config_DollarDollar.txt","rb")
-#for l in f:
-    #print(l)
-    #ser.write(l)
+for l in f:
+    print(l)
+    ser.write(l)
 
 print("test")
 
@@ -20,4 +20,4 @@ while ser.in_waiting > 0:
             line = ser.readline().decode('utf-8').rstrip()
             print(line)
             
-ser.close()
\ No newline at end of file
+ser.close()
diff --git a/uploadScript/elf_to_bin.sh b/uploadScript/elf_to_bin.sh
new file mode 100644
index 0000000..23c9bf7
--- /dev/null
+++ b/uploadScript/elf_to_bin.sh
@@ -0,0 +1 @@
+esptool.py --chip esp32 elf2image -o firmware.bin firmware.elf
\ No newline at end of file
diff --git a/uploadScript/firmware400.bin b/uploadScript/firmware400.bin
new file mode 100644
index 0000000..bb24dc5
Binary files /dev/null and b/uploadScript/firmware400.bin differ
diff --git a/uploadScript/firmware400.elf b/uploadScript/firmware400.elf
new file mode 100644
index 0000000..4dcad43
Binary files /dev/null and b/uploadScript/firmware400.elf differ