Updated tutorial: Mini Thermal Receipt Printer.

Add a mini printer to any microcontroller project with this very cute thermal printer. Also known as receipt printers, they’re what you see at 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 to 5V TTL serial output from your microcontroller to print text, barcodes, bitmap graphics, even a QR code!

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