PocketPrinter 5890

Web Bluetooth demo — Chrome, Edge or Opera

Connection

Not connected

Text

Bold

Barcode

Image

Receipt

QR code

Uses qrcode-generator from a CDN: this library ships no QR encoder, a wrong QR code being indistinguishable by eye.

Demos

Settings

Density Paper Width Dither

Clearance feed: 80 dots

Threshold: 128

Printer settings

Auto power-off: 15 min

0 disables power-off if the firmware accepts it — untested value. Read the settings back to see what was stored.

BLE transport

Credit-based flow control

Packet size: 180 bytes

Paper

Hex console