User build
Jacob's AR4 build
AR4 robot arm
- Model
- AR4
- Status
- In progress
The build, step by step
Follow the journey in CommunityChapter 1 · Jul 19, 2025
An AR4-MK2 is born. And it delivers chocolate!
I've finally finished my build of the AR4-MK2, and my first test was to put it to good use delivering chocolate to me... Check it out here: https://youtube.com/shorts/qM_0qH6fCgY Cheers, Jacob
Comment on this stepChapter 2 · Oct 13, 2026
ROS 2 running on the MK2
Got ROS 2 installed and tried the ar4_ros_driver on my AR4-MK2. The initial calibration went without a hitch, and route planning and execution tests worked as expected.
Chapter 3 · Oct 13, 2026
Power supply
Got a Mean Well LRS-350-24 power supply.
Chapter 4 · Oct 13, 2026
Printing parts and sourcing motors
Started 3D printing the parts for the AR4-MK2 and preparing to buy the electronics, looking at buying the motors in batches over time to spread the cost.
Chapter 5 · Oct 13, 2026
AR4-MK2 finished, delivering chocolate
Finally finished my build of the AR4-MK2, and my first test was to put it to good use delivering chocolate to me.
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