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projects:minitimer [01/03/2015 18:20] admin |
projects:minitimer [01/03/2015 18:52] admin [MiniTimer] |
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====== MiniTimer ====== | ====== MiniTimer ====== | ||
+ | === Italian === | ||
+ | |||
+ | Si tratta di un piccolo circuito timer digitale regolabile da 1 secondo a 1 ora (in passi da 1 secondo fino a un minuto, poi in passi da 1 minuto) che pilota un'uscita a relè collegabile a un carico 220V. | ||
+ | |||
+ | === English === | ||
This is a small digital timer that controls a relay output for a 230vac load, could be a uv lamp for photo-printing or a heater resistor in a press or something similar that you don't want to spend time looking after as the MiniTimer will do it for you. | This is a small digital timer that controls a relay output for a 230vac load, could be a uv lamp for photo-printing or a heater resistor in a press or something similar that you don't want to spend time looking after as the MiniTimer will do it for you. | ||
- | Features: | + | ===== Features ===== |
Timeout range 1 second to 60 seconds (adjustable in 1 sec. steps) and 1 minute to 60 minutes (adjustable in 1 minute step). | Timeout range 1 second to 60 seconds (adjustable in 1 sec. steps) and 1 minute to 60 minutes (adjustable in 1 minute step). | ||
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Buzzer to indicate when the time is finished. | Buzzer to indicate when the time is finished. | ||
- | Italian user manual (manuale in italiano) | + | [[http://boris.maetech.it/docs/proj/minitimer/MT99.pdf|Italian user manual (manuale in italiano)]] |
- | [[http://boris.maetech.it/docs/proj/minitimer/figure.jpg|{{http://boris.maetech.it/docs/proj/minitimer/figure.jpg?200}}]] | + | [[http://boris.maetech.it/docs/proj/minitimer/figure.jpg|{{http://boris.maetech.it/docs/proj/minitimer/figure.jpg?500}}]] |
1. 7 segment display: will indicate minutes (dot point still or blinking) or seconds (dot point off). | 1. 7 segment display: will indicate minutes (dot point still or blinking) or seconds (dot point off). | ||
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- | DIY: | + | ===== DIY ===== |
Scheme is available here (click to see bigger): | Scheme is available here (click to see bigger): | ||
- | [[http://boris.maetech.it/docs/proj/minitimer/mt99.png|{{http://boris.maetech.it/docs/proj/minitimer/mt99.png?200}}]] | + | [[http://boris.maetech.it/docs/proj/minitimer/mt99.png|{{http://boris.maetech.it/docs/proj/minitimer/mt99.png?500}}]] |
The heart is a atmega8 micro running at 8Mhz (but any smaller frequency is enought!) with this firmware. | The heart is a atmega8 micro running at 8Mhz (but any smaller frequency is enought!) with this firmware. | ||
[[http://boris.maetech.it/docs/proj/minitimer/firmware.zip]] | [[http://boris.maetech.it/docs/proj/minitimer/firmware.zip]] |