A new guide in the Adafruit Learning System: PyPortal TOTP 2FA Authentication Friend.
Tired of reaching for your phone when you need new 2FA tokens? (Or maybe you don’t have a phone!) In this guide you will build a simple device generates TOTP’s, using CircuitPython. It uses an Adafruit PyPortal which has WiFi, so it can connect to NTP and obtain the current time on startup. It has a built-in touchscreen display so you can tap to display your token.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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