Garage door code button

This project shows how to build a single button code lock for your garage door. The electronic lock is build around an ATtiny13 and code is written in Basic. The inspiration for this project came from Alan Parekh’s project (called Button Code). The four digit code is entered using one button. First digit is entered then wait for the led to flash and second digit is entered, then wait for led and the next digit is entered… etc. Schematic and project files are available on the link below. [via]

Garage door code button – [Link]

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