Keypad lock with servo using ATtiny84
In this instructable, we will be making a combination lock to your door, with a keypad and servo, using ATtiny84.But we can't use the Servo library included in the Arduino IDE, as ATtiny84 just has 2 8-bit timers and no 16-bit timer, but the Servo-library relies on having a 16-bit timer available. ...
By: sunilksree
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By: sunilksree
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[original story: Instructables]