Make vCard with W5100s-Pico
vCards are more modern and exchange information with richer content on various platforms.
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Components
Hardware components
WIZnet - W5100S-EVB-Pico
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micropython - MicroPython
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Project description
QR-code? A QR code stands for "Quick Response" and is a mark in a square-shaped pattern that allows you to get a quick response. QR code The one-dimensional barcodes we see on common products are a series of straight bars. They can only hold a maximum of 20 characters of numeric information, and it was this limitation that led to the creation of the QR code. QR codes are two-dimensional, with a maximum of 4200 characters for letters and about 7000 characters for numbers. How it works. Inside a QR code, black areas absorb light and white areas reflect light. This is how QR Codes can be…
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