Description
The Mini Thermal Printer for Arduino Development is a compact and easy-to-use thermal receipt printer designed for Arduino projects, microcontroller applications, embedded systems, and single-chip learning. It allows you to print receipts, text, barcodes, QR codes, and bitmap graphics directly from your microcontroller without using ink or toner.
The printer uses standard 57.5mm (2.25-inch) thermal paper, which is commonly available from stationery and office supply stores. Its compact design makes it suitable for DIY electronics projects, point-of-sale systems, ticket printers, data logging applications, and educational experiments.
Key Features
- Ink-free thermal printing – Uses heat-sensitive thermal paper, so no ink cartridges are required.
- Arduino compatible – Suitable for Arduino and various microcontroller-based projects.
- Multiple printing options – Supports text, receipts, barcodes, QR codes, and bitmap graphics.
- Fast printing speed – Prints at approximately 50–80 mm/s.
- High-resolution printing – Provides 8 dots/mm with 384 dots per line.
- Compact design – Measures approximately 111 × 65 × 57 mm, making it easy to integrate into DIY projects.
- Serial communication – Supports RS-232, TTL, Parallel, and USB interfaces depending on the configuration.
- Standard thermal paper – Uses 57.5 ± 0.5 mm wide thermal paper with a maximum roll diameter of 39 mm.
- Panel mounting support – Includes two plastic mounting shims for convenient installation.
Arduino & Microcontroller Projects
This mini thermal printer is a practical choice for electronics enthusiasts, students, and developers working with Arduino, microcontrollers, and embedded systems. It can be used to create small receipt printers, attendance systems, queue/token machines, sensor data printers, mini POS systems, ticket printers, and other automation projects.
The printer comes with the thermal print head, power and data cables, and mounting shims. Its default serial communication speed is 19200 bps.
For Arduino projects, an external regulated power supply is recommended because the printer can require significantly more current during printing than a typical USB connection can provide. A suitable power supply should be capable of supplying at least 1.5A during high-current printing.
Technical Specifications
| Specification | Details |
|---|---|
| Printing Method | Thermal Line |
| Printing Speed | 50–80 mm/s |
| Resolution | 8 dots/mm, 384 dots/line |
| Effective Printing Width | 48 mm |
| Character Set | ASCII, GB2312-80 (Chinese) |
| ANK Font | 8×16, 9×17, 9×24, 12×24 |
| Chinese Font | 24×24 |
| Paper Type | Thermal Paper |
| Paper Width | 57.5 ± 0.5 mm |
| Maximum Paper Roll Diameter | 39 mm |
| Reliability | MCBF: 5 million lines |
| Interface | RS-232 / TTL / Parallel / USB |
| Insert Depth | 50 mm |
| Power Supply | DC 5–9V / 12V |
| Dimensions | 111 × 65 × 57 mm |
| Installation Port Size | 103 × 57 mm |
| Available Color | Beige / Black |
| Operating Temperature | 5°C to 50°C |
| Operating Humidity | 10%–80% |
| Storage Temperature | -20°C to 60°C |
| Storage Humidity | 10%–90% |
What’s Included
- 1 × Mini Thermal Printer
- 1 × Thermal Print Head
- Power and data cables
- 2 × Plastic mounting shims
Recommended Applications
The Mini Thermal Printer can be used for:
- Arduino and Raspberry Pi projects
- Microcontroller and single-chip learning
- Mini POS and receipt systems
- Barcode and QR code printing
- Ticket and token printing
- Sensor data logging
- DIY automation projects
- Educational electronics projects
- Embedded systems development
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