Adafruit Mini Thermal Receipt Printer

Adafruit Mini Thermal Receipt Printer

Adafruit Mini Thermal Receipt Printer

Adafruit Mini Thermal Receipt Printer

Add a mini printer to any microcontroller project with this very cute thermal printer. Thermal printers are also known as receipt printers, they’re what you get when you go to the ATM or grocery store. Now you can embed a little printer of your own into an enclosure. This printer is ideal for interfacing with a microcontroller, you simply need a 3.3V-5V TTL serial output from your microcontroller to print text, barcodes, bitmap graphics, even a QR code! This package comes with a thermal printer including the print head (it does not require ink), a set of power and data cables, and two plastic shims for panel mounting. Thermal paper not included!


  • Prints text, barcodes, bitmap graphics, and QR codes
  • Easy to make bold, underline, and inverted text
  • Variable line spacing
  • Left, center, and right justification
  • Barcodes in 11 standard formats with adjustable height
  • Custom bitmap graphics


  • Thermal paper width: 2.25″
  • Maximum paper length: 50 ft
  • Power supply: 5-9VDC, 1.5A or more

Package Contents

  • Thermal printer with print head
  • Power and data cables
  • Two plastic shims for panel mounting

Frequently Asked Questions

  1. What type of paper does the printer use?
  2. The printer uses 2.25″ wide thermal paper, which is available in any office or stationery supply store.

  3. How much paper can the printer hold?
  4. The printer can fit up to 50 ft of paper in the bay at once.

  5. What power supply do I need?
  6. You will need a 5-9VDC regulated power supply that can provide 1.5A or more during the high-current print. Our 5V 2A power supply is recommended.


The Adafruit Mini Thermal Receipt Printer is a versatile and compact printer that can be easily integrated into any microcontroller project. With its ability to print text, barcodes, bitmap graphics, and QR codes, it offers endless possibilities for creative projects. Its easy-to-use features such as bold and underline text, variable line spacing, and left/center/right justification make it a user-friendly choice. Whether you need to print receipts, labels, or custom designs, this thermal printer is a reliable and efficient solution.