Sabtu, 23 Juli 2011

Membuat Rangkaian Lampu Merah | Rangkaian Digital Sederhana

Perbedaan antara elektronika rangkaian analog dan rangkaian elektronika digital pada dasarnya terletak pada level tegangan dimana kedua rangkaian ini bekerja, pada rangkaian elektronika analog range kerja rangkaian lebih flexible disbanding dengan rangkaian elektronika digital yang range tegangannya 0 Volt dan 5 Volt (dalam logika TTL) 0 Volt mewakili logika 0 (low) dan 5 volt mewakili logika 1 (high), tetapi pada perkembangannya rangkaian elektronika lebih mudah diolah ,missal disimpan dalam bentuk data.
Dalam tulisan kali ini, saya mencoba membuat rangkaian digital sederhana yaitu membuat rangkaian lampu merah (traffic light) dengan menggunakan IC digital sederhana, murah dan terdapat banyak dipasaran.

Berikut rangkaiannya:

Membuat Rangkaian Lampu Merah | Rangkaian Digital Sederhana

Pada gambar diatas terlihat ada sumber clock, IC flip-flop, gerbang AND dan lampu Led, disini sumber clock dapat kita dapatkan dengan menggunakan IC timer 555, dengan rangkaian asatable IC 555, lalu tipe IC flip-flop yang digunakan ialah IC 7474 yang bertipe D-FF(delay fip-flop), gerbang logika AND dapat kita dapatkan pada IC 7408, lampu merah kita susun dari lampu led biasa.

Berikut datasheet dari IC yang digunakan

Membuat Rangkaian Lampu Merah | IC7474

Rangkaian diatas dibuat dengan software proteus 7 yang dapat disimulasikan, jalankan program maka hasilnya seperti gambar dibawah ini.

Membuat Rangkaian Lampu Merah | Rangkaian Digital Sederhana

Semoga tulisan sederhana ini bermanfaat.

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  1. rangkain ini sangat membantu saya

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  3. trus...gimana carax menggunakan rangkaian dgn lampu pijar/sejenisx dan bersumber dari 220v...

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