How to update Makelangelo firmware

Download the stable release from https://www.marginallyclever.com/product...

The pricing is optional. You can choose a price of $0. Your generosity helps us make it great.

The download link will appear on the checkout page...

...and in your order confirmation email.

Extract the zip file downloaded from the link into a folder called Makelangelo-firmware

Go into the folder and open Makelangelo-firmware.ino with the Arduino app

The Arduino app is available from https://www.arduino.cc/en/Main/Software

Confirm that in the tab configure.h, the line reads #define MACHINE_STYLE POLARGRAPH. This firmware runs on many styles of robots and this sets the correct style.

You can find more tabs in the drop down on the right

Confirm that in tab robot_polargraph.h, your machine hardware version is selected. In this example, a version 5 is selected because it does not have the // at the start of the line.

Connect the USB from your computer to your robot.

Connect the 12v2a power supply to your robot.

In Arduino, set Tools > Board to Mega 2560

set Tools > Port to the port that says Mega 2560. This name is slightly different for OSX and Linux users.

If you do not see any com port, don't panic. Read the next step.

If you already see the COM port, you can ignore this step.

You may be missing the drivers, which can be downloaded from https://reprap.org/wiki/RUMBA#RUMBA_USB_... . The recomended method is the Easy driver setup for Windows 8/7/Vista/XP 32 and 64 bit

After driver installation if you still don't see the COM port, try rebooting your PC.

Suddenly disconnecting power while your PC is talking to your robot scares Windows. It will hide the COM port until after a reboot as a precaution.

Click the upload button. The app will say "Compiling..." and then "Uploading..."

When finished OK, it will say Done uploading.

For all other results, please copy all the text in the orange text in the fail message and post it to our support forums at https://www.marginallyclever.com/forums/...

Click the Serial Window icon in the top right (looks like a magnifying glass)

Confirm the dropdowns says newline and 57600 baud. HELLO WORLD! text should appear in the window.

In the text field at the top type D11 (uppercase) and hit enter or click Send. The status window should say Saving dimensions. Saving calibration. Saving home.