Finally, for the thermal printer, I used the Rx and Tx pins to build a serial connection with the printer. There's a Python library from @adafruit that does the complicated stuff. More info here:https://learn.adafruit.com/networked-thermal-printer-using-cups-and-raspberry-pi/connect-and-configure-printer …
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Update: The
#yayagram can run on a much smaller and affordable Raspberry Pi, the Raspberry Pi Zero W
check if t out!https://twitter.com/mrcatacroquer/status/1397996959160487945 …
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Awesome! Will you share the instructions and code?
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Esto es brillante, eres un crack! Mucha salud a tu abuela.
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This is an awesome project! I had 2 grandmothers that I was close to and loved very much(both passed away) and I could see them using this.
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My brother I hope you’ve patented this, what a cracking idea! You’re grandma must be so happy!
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This is brilliant.
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Wow this is awesome, hope you extend it later from printing to show on the screen , and also picture instead of name of grand children


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Amazing Salute

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Do not solder directly to the rasp pins. You can break it. Build a connector instead. I learned it the hard way. F to pay respects to the first rasp pi I used.