【Hacker News搬运】Pi国际象棋板

hackernews

Title: Pi Chess Board

Pi国际象棋板

Text:

Url: https://readymag.website/u2481798807/5057562/

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Post by: GordonS

Comments:

programjames: > Functionality and Features> The Pi Board is an advanced automated chess system powered by a Raspberry Pi, utilizing an XY stepper motor mechanism and magnets to move chess pieces seamlessly across the board. The development process involved several key stages, including precise calibration of stepper motor coordinates, calculating the weight of each piece for accurate handling, integrating a robust chess engine, and optimizing piece-grabbing strategies and movement detection. Special attention was given to selecting the most efficient algorithm to minimize the stepper motors' power consumption.Is there a reason for the marketing speech? I'm assuming most people interested in this would rather read engineering speech, like so:> The Pi Board, as the name suggests, uses a Raspberry Pi under the hood to calculate engine moves from <Stockfish? Leela Zero?>, and move the pieces with a series of stepper motors and magnets. We spent a significant amount of effort minimizing power consumption, including weighing the individual pieces to get more efficient grabbing and moving motions for each one.

programjames: &gt；功能和特点&gt；Pi Board是一个由Raspberry Pi驱动的先进自动国际象棋系统，利用XY步进电机机构和磁铁在棋盘上无缝移动棋子。开发过程涉及几个关键阶段，包括步进电机坐标的精确校准、计算每块棋子的重量以进行精确处理、集成一个强大的国际象棋引擎，以及优化棋子抓取策略和运动检测。特别注意选择最有效的算法来最小化步进电机；功耗 营销演讲有原因吗？我；我假设大多数对此感兴趣的人更愿意阅读工程演讲，就像这样：&gt；顾名思义，Pi Board在引擎盖下使用Raspberry Pi来计算引擎从&lt；长筒鱼？莉拉·泽罗&gt；，并用一系列步进电机和磁铁移动工件。我们花费了大量的精力来最大限度地减少功耗，包括称量各个部件，以获得每个部件更有效的抓取和移动动作。

gizajob: Hate to be a spoil sport but if when pieces move they nudge other pieces out of the way and then those nudged pieces have to be put back by hand, then there’s still work left to be done. Same goes for capturing - the captured piece should walk itself off the board.

gizajob: 我讨厌被宠坏，但如果当棋子移动时，它们会把其他棋子推开，然后那些被推开的棋子必须用手放回去，那么还有工作要做。捕捉也是如此——被捕捉的片段应该自己离开棋盘。

stevage: The movement of the knights is so creepy somehow. Lots of little movements and rotations. And then they just push a pawn out of the way and the human has to put it back.

stevage: 骑士们的动作不知怎么地令人毛骨悚然。有很多小动作和旋转。然后他们就把一个棋子推开，人类必须把它放回去。

crashbunny: This brings back memories of Regium. A kickstarter scam 5 years ago that used realistic 3d animation videos of an automated chessboard to trick people out of their cash.chess.com happily took regium's money to advertise their scam to their audience.It eventually got kicked off kickstarter, and then kicked off some other kickstarter clones before self hosting their own kickstarter clone website. That was a wide ride. searching youtube for "regium chess board" will get a few hits.Pi board looks like a fun project that I'm sure will be refined over the years.

crashbunny: 这让人想起了Regium。5年前的一个kickstarter骗局，使用自动棋盘的逼真3d动画视频来欺骗人们的现金 chess.com愉快地接受了regium；他们有钱向观众宣传他们的骗局 它最终启动了kickstarter，然后启动了其他一些kickstartner克隆，然后自行托管了自己的kickstartor克隆网站。那是一段很长的旅程。在youtube上搜索“；regium棋盘&quot；将获得一些点击 Pi板看起来像一个有趣的项目；我肯定这些年会变得更精致。

johtso: Not sure if I missed it, but I didn't see any mention of how player moves are detected. Is there a camera and CV? It's always seemed like a fiddly problem to solve with electronics as you end up needing a matrix of sensors so there's a lot of wiring.

johtso: 不确定我是否错过了，但我没有；没有看到任何关于如何检测玩家动作的描述。有相机和简历吗？它；这似乎总是一个需要用电子设备解决的棘手问题，因为你最终需要一个传感器矩阵，所以；这有很多线路。