Thermal Receipt Printer Guts [discontinued] _RPI_HAT_Serial but other libraries may require

but other libraries may require modification

7V Lithium polymer batteries

Teensy 3 schematic

there are no guarantees or refunds if LEDs or traces crack from bending

1x - Half-size breadboard

Thermal Receipt Printer Guts [discontinued] _RPI_HAT_Serial but other libraries may requireAdd printing capability to any microcontroller project with just the innards of a 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 a custom enclosure of your choosing. 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,