Exploring BLE Printing in DingTalk Mini Programs: Implementation and Best Practices

This article provides a detailed engineering analysis of using Bluetooth Low Energy (BLE) within DingTalk mini programs to drive portable thermal printers, covering why BLE is chosen over classic Bluetooth, the GATT communication model, connection lifecycle management, ESC/POS command construction, packet splitting for the 20‑byte BLE limit, and practical image‑printing techniques, all illustrated with code examples and step‑by‑step guidance.

BLEDingTalkESC/POS

0 likes · 46 min read

Exploring BLE Printing in DingTalk Mini Programs: Implementation and Best Practices

21CTO

Mar 31, 2022 · Backend Development

Print GitHub Issue Receipts with a Raspberry Pi and PHP

This guide shows how to connect an Epson TM‑T88IV thermal receipt printer to a Raspberry Pi Zero W, install a PHP ESC/POS library, configure udev rules, set up a GitHub webhook via ngrok, and automatically print issue details as receipts.

ESC/POSGitHub WebhooksPHP

0 likes · 9 min read

Print GitHub Issue Receipts with a Raspberry Pi and PHP

Youzan Coder

Apr 17, 2020 · Mobile Development

Design and Evolution of a Cross‑Platform Printing Library for Retail

The article describes how Youzan Retail built a unified, cross‑platform printing library—using JavaScript as a common runtime—to replace duplicated native implementations, evolve its template language from JSON to HTML, and translate rendered receipts into ESC/POS commands, supporting iOS, Android, Java, PC and future Node.js services.

ESC/POSJavaScriptPrinting

0 likes · 19 min read

Design and Evolution of a Cross‑Platform Printing Library for Retail