ingenuity of original square card reader underrated imo.

the reader tunneled the card number through the mic input. It's recovered  in software by analyzing the waveform.

It was brilliant engineering, a major unlock for commerce and packaged beautifully.

hardware breakdown:

ingenuity of original square card reader underrated imo.

the reader tunneled the card number through the mic input. It's recovered  in software by analyzing the waveform.

It was brilliant engineering, a major unlock for commerce and packaged beautifully.

hardware breakdown: https://tinyurl.com/jdm8ct2a

building /automod (channel bots), /glass (no code frames) • uncurated.xyz
• prev @manifoldxyz, twilio

100% under appreciated 

I sometimes miss the audio jack.

In practical terms, usb-c is superior.

Maybe nostalgia plays a role

Holistic views of tech. Helping teams manage complexity and build more effective software – /framedltime – /sauce – /cto - thinker at /compasslabs

ya some nostalgia.

I like the hack through audio jack cause I don’t immediately associate it with something that transmits data in the same way a usb device does.

Kinda analog.