An Arduino-based biometric access control system that authenticates users via a KY-036 metal touch sensor, logs each access event (user ID + timestamp) to Arduino EEPROM using a DS1307 real-time clock ...
A small, tactile-free binary calculator built using an HW-138 capacitive touch sensor (TTP2xx-family style capacitive touch breakout) and an Arduino Uno. The project reads touch inputs and interprets ...
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