58mm Embedded Mini Thermal Printer TTL/RS232 Serial
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Prices updated: 13 Oct 2026
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About this product
A compact 58 mm thermal line printer for embedded projects, controlled by a microcontroller or PC over TTL or RS-232 serial. It prints at 384 dots per line with a 48 mm effective width, and includes a paper-end sensor and overheating protection. It suits receipts, logs, and printed output in DIY and prototype builds.
Specifications
- Printing method
- Thermal line
- Resolution
- 8 dots/mm, 384 dots/line
- Effective printing width
- 48 mm
- Printing speed
- 60-80 mm/s
- Baud rate
- 9600
- Interface
- RS-232/TTL
- Power supply
- DC 5 V ~ 9 V
- Paper width
- 57.5 ±0.5 mm
Frequently asked questions
Can I connect it directly to a microcontroller?
The printer supports TTL serial, which is suited to microcontroller UART pins. If you use the RS-232 interface, a level converter is needed to connect it to a microcontroller's 5 V or 3.3 V logic.
What paper does it use?
The listing specifies thermal paper with a width of 57.5 ±0.5 mm and a thickness of 0.06 to 0.08 mm. The maximum paper roll diameter is 40 mm.
