Name: Embedded Thermal Printer V2.0
Brand: DFRobot
SKU: DFR0503-EN
Price: 39 USD
Availability: LimitedAvailability

Introduction

The micro thermal printer utilizes thermal printing technology, eliminating the need for ink or toner. It offers stable performance, compact size, and space-saving design. Operating at 9–24V wide voltage, it delivers clearer prints at higher voltages. Compatible with 58mm thermal paper rolls, it supports a printing lifespan of up to 50 kilometers. This printer is widely used in instrumentation, food testing, retail terminals, and embedded applications such as ATMs, lockers, POS systems, electronic scales, and takeaway machines. It supports Arduino, Raspberry Pi, and Windows via serial port or driver printing, enabling text, barcodes, QR codes, and even black-and-white graphics.

Versatile Connectivity Options

The printer supports multiple communication interfaces, including TTL, USB, RS485, and RS232, ensuring seamless integration with various systems. It is compatible with Arduino and Raspberry Pi, making it ideal for DIY projects and embedded solutions.

Dual Printing Modes

Featuring both receipt and label printing modes, the printer can be switched via commands, offering flexibility for different application needs. This makes it suitable for retail, logistics, and industrial labeling scenarios.

High-Speed, High-Resolution Printing

With a resolution of 203DPI (8 dots/mm) and a printing speed of 70mm/s, the printer delivers sharp, efficient outputs for text, graphics, barcodes, and QR codes. Its effective printing width of 48mm ensures clear and legible content.

Long Lifespan & Low Power Consumption

The printer boasts a printing lifespan of up to 50 kilometers and a standby current of just 0.02A, ensuring durability and energy efficiency. Its wide operating temperature range (-5°C to 50°C) makes it reliable in various environments

Embedded Thermal Printer - TTL Serial Communication Interface

Embedded Thermal Printer - TTL Serial Connection Diagram

Note:

1. The V2.0 printer has two printing modes, receipt printing and label printing. The mode can be switched through commands

2. The power supply of the V2.0 printer is 9-24V

Specification

Working voltage: DC9~24V

Working current: 0.5~2.5A

Standby current: 0.02A

Communication interface: TTL+USB+485+RS232

Printing method: Line thermal printing

Printing mode: Receipt printing/label printing

Printing color: Black and white output

Resolution: 203DPI (8 dots/mm, 0.125mm/dot, 384 dots per line)

Consumables: Thermal receipt paper roll, thermal label paper roll

Paper roll specifications: Paper roll width (58mm±0.5mm), paper roll diameter (30mm)

Printing content: Support text , graphics, one-dimensional barcode, two-dimensional code, curve, etc.

Printing width: 48mm (effective printing width)

Printing life: 50 kilometers

Printing speed: 70mm/s

Printing characters: GB18030 Chinese character library (2424 international first and second level character library), 1224 standard ASCII code, and can enlarge Chinese characters and characters by 1-4 times

Working temperature: -5℃~50℃

Working humidity: 25%~50%RH

Storage temperature: -20~70%°C

Storage humidity: 5~95%RH

Appearance size: 82*58*44 mm

Installation size: 77*53*42 mm