Raspberry Pi Cardboard Robot Arm Cuts Costs

Raspberry Pi
(Image credit: Fricktorio)

Let’s face it—Raspberry Pi kits can get expensive. But if you’ve got a few spare parts lying around, you might be able to build something functional from scratch. No extruded aluminum lying around? No problem! Maker Fricktorio has managed to create a Raspberry Pi-powered robotic arm from scratch using cardboard.

The best Raspberry Pi projects are the ones that you can make at home and this project relies on a few easy-to-find materials. The cardboard is used to construct most of the frame which is held together with a little bit of hot glue. It also features a mechanism at the end of the arm to pinch and grab things made from unfolded paper clips.

The Raspberry Pi used in this project appears to be a 3B+ model. The main controller behind the operation, however, is an ESP32 module which helps the user control the servos in the arm by converting the input signal.

The ESP32 hosts a web server that users can access to drive the arm. It has a few sliders that can control individual servos within a predetermined range. Whenever a user interacts with the web interface, the input is sent to the robotic arm for a glamorous display of corrugated ingenuity.

Want to get a closer look? Check out the original thread via Reddit to see this clever solution in action.

Ash Hill
Freelance News and Features Writer

Ash Hill is a Freelance News and Features Writer with a wealth of experience in the hobby electronics, 3D printing and PCs. She manages the Pi projects of the month and much of our daily Raspberry Pi reporting while also finding the best coupons and deals on all tech.