Electronics – tommycoolman

Salvaging a Laptop Camera for Octoprint

Posted on March 27, 2026April 12, 2026 by tommy

What is Octoprint? Octoprint is open-source software used to control and manage 3D printers. It can run on different platforms — a Raspberry Pi for example — and it connects directly to a 3D printer through USB. The main interface is accessed via a web browser. Octoprint supports live streaming and time-lapse video. The 3D…

Modifying an Inkjet Printer for DTF Printing

Posted on March 28, 2025November 23, 2025 by tommy

Getting Started What is DTF? Direct to Film printing (DTF) is a method of transferring digital designs to shirts or other garments. DTF ink is printed onto a carrier sheet, usually PET (Polyethylene Terephthalate), and the carrier sheet is heat-pressed onto a garment. What type of inkjet printer is needed? Ideally, the printer will need…

Burn an Arduino Bootloader with a Raspberry Pi. The easy way.

Posted on February 4, 2023July 12, 2023 by tommy

This process uses a modified version of the official Raspberry Pi OS (2020-02-13-raspbian-buster-lite.img). It has been configured with the tools necessary to burn an Arduino style bootloader using the Raspberry Pi’s GPIO pins (described here). Brief summary of steps: Wire Raspberry Pi GPIO pins to Arduino ICSP pins Boot the custom Raspberry Pi image Connect a…