Tea Timer

A simple timer based on ATtiny85 that plays the tune "Tea for Two" when tea is ready

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This tea timer is based on an ATtiny85 running a short C program. The LEDs display the remaining time to wait, the first LED blinking with a frequency 1Hz. They are driven by a counter because of the lack of external pins of the micro-controller. The push switch selects the time delay, the other one switches between setting/running mode. When the time is up, the tune "Tea for Two" is played on the small buzzer. A RC filter is used as integrator to improve the sound quality (the variable resistor is tuned accordingly).

x-csrc - 5.70 kB - 03/05/2017 at 09:56


Adobe Portable Document Format - 39.98 kB - 03/05/2017 at 09:56


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davedarko wrote 03/05/2017 at 10:30 point

Something like that is definitely on my todo list

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