RBNV Notes for February 17/2026

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Pat C

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Feb 19, 2026, 8:26:16 PMFeb 19
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Robot Builders Night Virtual for February 17th, 2026

DPRG RBNV - Robot Builders Night Virtual - February 17, 2026 - YouTube

Main Discussion Points

Mark Dombrowski's Robot Chassis and Communication Bus

  • Mark presented his design of a new robot chassis featuring a prototype wheel mechanism with a 3D printed bearing setup and integrated motor.
  • Discussion on using N20 motors and airsoft BBs for bearings, with plans to include a magnetic angle sensor for independent wheel motion detection.
  • Mark also shared progress on his PCB designs and communication bus for a robotic network using Raspberry Pi Picos, benefiting from a custom protocol over UART.
  • Emphasized on sharing hardware modules to ease the creation and integration of robotic parts.

Doug Paradis' Laser Upgrade Projects

  • Doug discussed enhancements made to his Monport Reno 65 Pro laser cutter, focusing on improving the air assist system to prevent material burning during cuts.
  • He shared insights into using a separate relay and solenoid setup to control air pressure from a compressor versus the default aquarium pump.
  • Doug highlighted considerations for adding modular controls to switch between different air assist levels, aiming to optimize cutting efficiency on various materials.

Mike Williamson's Platform Development

  • Mike showcased his progress in developing a platform capable of supporting substantial weight, integrating rotation mechanics facilitated by casters and a robust drive wheel system.
  • Described a control system using Wi-Fi and AI-assisted programming to refine microcontroller functionality.

Harold Pulcher's Coding Insights

  • Harold offered advice on effective use of AI tools like Co-pilot for coding assistance, alongside strategies to optimize token usage and manage workflows for better coding outcomes.

Conclusions and Insights

  • Utilizing modular, shareable components in robotics can significantly streamline development processes and promote collaboration among hobbyists and professionals alike.
  • Upgrading equipment like laser cutters with enhanced control systems can provide safer and more efficient operation, translating to better project results.
  • There is a growing interest in leveraging AI for both development of code and management of robotics systems, presenting opportunities and challenges for integration.

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