The King’s height is 3,38”, which is the minimum established by the US Chess Federation, and the Pawn is 2”. This prevents collisions between the pieces when they move between each other. The first one is that the diameter of the base should be less than half the length of each square for all the pieces. There are two main principles that the shape of the pieces should follow: ![]() You already saw the pieces with the modern style, but I think that a good old Staunton style won’t do any harm ) Once the components for each piece were decided (wood, magnet, ring), I took the liberty of designing a second version for the chess set. It is not only about aesthetics but adding technical specs to the pieces is necessary so they can work perfectly in conjunction with the magnet arm. Īs I said in a previous post, I wanted to redesign every piece to meet my expectations of a quality chess set.Modern & Staunton Style Carlos Lopez P.I’ll leave our discord server if you need further information from me and to chat about chess: Īnd my YouTube channel in which I upload progress and test videos: Take a look at them and let me know your comments for improvements or questions to start building your own e-board! The ESP32 is the master that controls the Arduino Nano and the Nano 33 IoT.įiles, schematics and further instructions are in our Github repository. The three microcontroller system is interconnected through an i2c protocol. Each time you move a piece on the physical board, the Nano 33 IoT sends this information to the Lichess server to be reflected in the digital game it works the same way each time the opponent makes a move on the Lichess game, the move is sent to the board through the same connection. Through an Arduino Nano 33 IoT we communicate with the Lichess server to send commands as: start game, select adversary, game info and piece movements. The third program focuses on connectivity.All this software is embedded into an Arduino Nano Through an encoder, it detects the up and down positions and uses this data to control the motors that elevate the magnet with PID control. I’m leaving you the code that controls the mecha-magnet here. The second program read each hall-effect sensor to detect the pieces positions.This software controls the motors and runs the calibration system to spatially the mecha-magnet. The main program is embedded into an ESP32 microcontroller.Tavo developed a three stage software that controls all the features: Under the wood veneer + composite surface the sensor array it’s placed to detect the position of each piece and it is composed of five hundred SS39E hall-effect sensors interconnected with an HC4067 multiplexor. The case is constructed by an aluminium composite sheet with wood veneer for the board surface, and aluminium exterior frame to add support, MDF interior to hold the electronics and an aluminium composite sheet as the bottom plate. I’ll share with you all the files up to this version so you can build your own Phantom Chess, in the files section you will find everything you need: the assembly and 3D model files for each system The hardware of the first prototype is conformed by the Scara mechanism, hall effect sensors array, mecha-magnet and 3 microcontrollers running all the features. ![]() ![]() The next step is to be sure all systems are working perfectly fine together before starting important changes. Hi there! I believe naming “automatic chessboard” is not so appealing so I decided to name it: Phantom.Even less appealing is to keep Phantom just to myself, so I decided to launch a Kickstarter campaign as recommended by some of you!ĭuring the last months, I have been sharing the development process and improvements made to the board week by week and got to the conclusion to close the first version to decide the following steps to improve it.
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