@mikaello/emit-punch-cards-communication

emit-punch-cards-communication

Utils for communication with EMIT punch card devices. These utils are implemented wih TypeScript and based on streams. To communicate with the 250 and MTR4 device, the Serial API (see also Serial API on Github) is used.

NB: The Serial API currently only works in Chrome. To start using this library you need to either start a trial for the Serial API, or enable Experimental Web Platform features in chrome://flags.

Install

This library is published to NPM as ES modules (no CommonJS/IIFE):

yarn add @mikaello/emit-punch-card-communication

Usage

See example project to see how this library could be used, especially helper.ts.

Status

• ✅ eScan device
• ✅ 250 device
• ✅ MTR4 device
• ❌ ePost