Скачать или смотреть DPRG RBNV - Robot Builders Night Virtual - December 9, 2025

Chapters
0:00:00 Start
• 00:00:01 Welcome and Housekeeping (Discussion of future December meeting dates)
• 00:05:00 Ray Casler: Outdoor Robot Lidar Presentation (Demonstrating Pulse light distance sensors, discussing conflicting version libraries, and demo reliability issues)
• 00:34:00 Mike Williamson: Mini Sumo Robot Introduction (Showing the foam prototype, physical design, and electronics setup)
• 00:44:00 Mini Sumo Discussion: Weight, Materials, and Design (Focus on current weight (224g) versus 500g limit and tight component placement)
• 00:55:00 Mini Sumo Electronics and Strategy (Using RP2040 dual cores for fast edge detection and slow range sensing, plus required 5-second startup delay)
• 01:00:00 Mini Sumo: Chassis Edge and Competition Rules (Discussion of front clearance defense against 'paper' tactics and rules regarding falling off the ring)
• 01:13:00 Mini Sumo Strategy: Aggressive Barreling vs. Scanning (Recommendation to maximize speed and use aggressive motion rather than rotating to scan for opponent)
• 01:33:00 Open Discussion: Surplus Robotic Lawn Mowers (Mention of available Husqvarna robots and their wheel design)
• 01:40:00 Open Discussion: CNC and 3D Printer Sales (Bamboo P1S 3D printer and MEA Z1 enclosed CNC desktop sale campaigns)
• 01:53:00 Outdoor Robot Lessons Learned (Doug discusses issues with plastic creep, large tires causing high-power skid steering, and exploring motor upgrades)
• 02:00:00 Outdoor Robot: Motor Options (Discussion of Rev Robotics Neo2 brushless motors and potential use of hoverboard hub motors)
• 02:17:00 Moon Day T-Shirt Follow-up (John K shares photos of the front and back of the special edition t-shirt)
• 02:25:00 Final Thoughts: Penny Weight Addition (Calculating the number of pennies needed to reach the 500g sumo weight limit)
• 02:28:00 Conclusion and Goodnights