Overview

Let’s code EV3 on a low-spec computer!

Prerequisites

The EV3 has a microPython image installed on the SD card, and the SD card is inserted into the EV3.
The EV3 is connected to the computer via Bluetooth or a cable.
The command to communicate via ssh is installed (e.g. ssh on Linux/FreeBSD).

What is SSH?

According to wikipedia, it is a system that allows you to safely communicate with the other side’s shell.

Let’s try it

Open the shell, you can enter by typing the following command.

ssh username@IPADDRESS

By default, you can enter by

ssh robot@IPADDRESS

An IP address is displayed in the upper left corner of the picture below.

ev3

In this case,

ssh robot@169.254.80.244

You will be asked for a password. Enter maker (the default password).

ssh robot@169.254.80.244
Password:
Linux hexagon 4.14.117-ev3dev-2.3.5-ev3 #1 PREEMPT Sat Mar 7 12:54:39 CST 2020 armv5tejl
             _____     _
   _____   _|___ /  __| | _____   __
  / _ \ \ / / |_ \ / _` |/ _ \ \ / /
 |  __/\ V / ___) | (_| |  __/\ V /
  \___| \_/ |____/ \__,_|\___| \_/

Debian stretch on LEGO MINDSTORMS EV3!
Last login: Wed Apr 15 10:24:02 2020 from 169.254.68.188
robot@hexagon:~$

You are connected by this way.

How to run

brickrun /usr/bin/pybricks-micropython /path/to/main.py

Conclusion

Now you can run it even if you don’t have vscode.