Arduino Uno + CNC Shield + Nema 17 Stepper + Universal GCode Sender

[Arduino_Uno_Dyl]

Guys first post here. I am looking for a lot of help. This is my first project and I am stumbling at what seems like the first hurdle. I am attempting to build a CNC 3 axis mill via Mac. I want to test my steppers with GCode via Universal GCode Sender. What am I missing? How do I establish a port in GCode Sender to run code?

Below is what I have done so far;
1. Unboxed my Arduino Uno clone and connected via the USB
2. Downloaded and installed Arduino 1.6.7
3. Opened Arduino
a. Selected Arduino/Genuino Uno in “tools” “boards”
b. Selected AVRISP mkII Uno in “tools” “programmer”
No connection serial port in drop down list
4. Downloaded the driver CH341SER_MAC for the CH340G chip and installed
5. Opened Arduino
a. Selected /dev/cu/wchusbserial1410 in “tools” “port”
b. Selected Blink in “file” “examples” “01. Basics”
c. Uploaded and physically blinks
d. Selected Fade in “file” “examples” “01. Basics”
e. Uploaded and physically fades
6. Downloaded Universal GCode Sender for Mac
Universal GCode Sender requires Java
7. Downloaded Java and installed
8. Installed Universal GCode Sender
9. Opened Universal GCode Sender.jar
No serial port found message
a. Selected “port”
No serial port in the drop down list
b. Selected 9600 in “baud”
c. Selected GRBL in “firmware”
d. Selected GRBL in “settings” “firmware settings”
No firmwares found message
10.Downloaded GRBL
11.Opened Arduino
a. Selected GRBL in “sketch” “include library” “add ZIP. Library…” “GRBL master”
b. Uploaded

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[109jb]

have you tested GRBL using just a serial monitor. You can use the serial monitor in the Arduino IDE. You need to select the com port and the baud rate, then you shoul see the GRBL startup response from the Arduino. That is your first step.

[bozidar22]

For GRBL .9 the baud rate should be 115200