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The legacy tooling was Delphi-only, which made it impossible to extend the platform onto modern web or mobile surfaces. The path forward was a JavaScript stack.",[121,125,126],{},"1-Wire-JS implements the Maxim 1-Wire protocol in pure JavaScript. The library handles the timing-sensitive bus arbitration, CRC checks, and search-tree operations the 1-Wire spec requires, on top of a USB transport. The original USB driver was built for WebUSB so the eChip could be read from a browser tab; we later ported it to Node.js for the headless workflows.",[121,128,129],{},"The eChip library is the higher-level abstraction: typed records for workout data, default value handling, and the fault-tolerance behavior the hardware actually needs in a field environment. The workout-data protocol stored on eChips became the standard format machines on the strength line read and wrote across the product family.",[121,131,132],{},"Both libraries are still published on npm and the source remains on the Keiser GitHub organization.",{"title":134,"searchDepth":135,"depth":136,"links":137},"",2,3,[],null,"Keiser Corporation","2016-08","md","Open-source JavaScript libraries for talking to smart-key identity hardware. Originally targeted WebUSB; later ported to Node.",{},true,"\u002Fwork\u002Fechip-1-wire-js","keiser-se","Software Engineer",{"title":106,"description":123},"echip-1-wire-js","2014-01","work\u002Fechip-1-wire-js",[153,154,155,156,157],"JavaScript","TypeScript","WebUSB","Node.js","1-Wire protocol","I replaced Keiser's legacy Delphi-only iButton tooling with a JavaScript stack. 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