Pimoroni
Mini thermal printer
Print receipts, barcodes, QR codes and even bitmap graphics straight from your microcontroller! This package comes with a thermal printer inclu...
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Print receipts, barcodes, QR codes and even bitmap graphics straight from your microcontroller!
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! The printer uses very common 2.25" wide thermal paper, available in any office or stationery supply store. It can fit up to 50 ft of paper in the bay at once.
You will also need a 5 to 9VDC regulated power supply, that can provide 1.5A or more during the high-current print
The back panel has 2 3-pin connectors; one for power and one for serial communications. The thermal printer ships with default 19200bps baud rate. If you’re using this printer in conjunction with an Arduino, you’re going to need to connect it to the “Vin” pin and attach an external power supply, as the printer will draw more current than USB is capable of delivering.
Documents:
Jargon buster
Plain-language definitions for the technical terms used above.
- baud
- Baud is the signalling rate of a serial connection, often used as the speed setting for UART communication. Matching the baud rate matters because both connected devices must use the same setting for readable data.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
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