Electronics circuits

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12v 5A Güç kaynagı Devresi

12v 5A Güç kaynagı Devresi, Devremizde çalışma mantıgı ac gerilimi dc gerilime çevirip istediğimiz voltaja indiren bir güç kaynagı devresidir. Güç Kaynagı Devresindeki elemanları inceleyecek olursak ; Devrede kullanılan transformatör 220v AC gerilimi 12v AC ye …

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IR Remote Control

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DIGITAL STOP WATCH

Here’s a digital stop watch built around timer IC LM555 and 4-digit counter IC with multiplexed 7-segment output drivers (MM74C926). IC MM74C926 consists of a 4-digit counter, an internal output latch, npn output sourcing drivers …

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Power supply failure alarm

Most of the power supply failure indicator circuits need a separate power supply for themselves. But the alarm circuit presented here needs no additional supply source. It employs an electrolytic capacitor to store adequate charge, …

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Rain Alarm

This circuit gives out an alarm when its sensor is wetted by water. A 555 astable multivibrator is used here which gives a tone of about 1kHz upon detecting water. The sensor when wetted by …

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Fridge Door Alarm Circuit

This fridge door alarm is using a 3V battery supply should be placed (in a small box) in the fridge near the lamp or close to the opening. With the door closed the photo resistor …

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Infrared Beam Break Detector

Application An infrared detector that sounds a buzzer when an IR beam is broken, meaning the IR signal is lost. A pulsed IR signal generator is necessary, but not included in this post. This project …

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Common Types of Relay

    You can choose from a wide range of relays but do you know what type to use in your project? Well, sometimes is hard to choose, especially if you’re not sure which model …

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dijital termometre devresi

Termometre devresinin beslemesi tek kaynak 5 volt sıcaklık sensörü olarak bc547b kullanılmış p1 ve p2 trimpotları ile kalibrasyon yapılıyor gösterge için iki adet HD-A544Dled display kullanılmış 2 faklı pcb bulunmakta yukarıda ki resimde gördüğünüz ve besleme, kontrol, display katlarının ayrı modüller halinde olanını aşağıdaki linkte bulabilirsiniz. …

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Arduino