Selasa, 21 Juni 2011

Cara Membuat lampu Led berjalan (Running Led)

Pada kesempatan kali ini, kita akan membahas tentang bagaimana cara membuat lampu led berjalan (running led). Led berjalan atau running led merupakan rangkaian aplikatif dasar yang penggunaannya dapat dimodifikasi sedemikian rupa sehingga dapat membentuk huruf berjalan, gambar atau karakter berjalan dengan menuyusun led sesuai dengan keinginan kita.

Sebenarnya tulisan mengenai led berjalan sudah pernah saya publish dengan bahasan yang berbeda pertama simulasi lampu berjalan dengan visual basic dan program lampu led berjalan dengan Bascom AVR, tapi kedua tulisan ini berbasiskan pemrograman, dan pada tulisan kali ini akan dipaparkan rangkaian lampu led berjalan hanya dengan rangkaian elektronika biasa atau rangkaian konvensional.

Komponen yang digunakan untuk membuat lampu led berjalan (running led)

Pada kesempatan kali ini, kita tidak menggunakan controller yang bersifat programmable seperti mikrokontroler ataupun programmable logic controller (PLC). Kita menggunakan integrated circuit (IC) yang terdapat banyak dipasaran.

Berikut komponen - komponen elektronika yang kita butuhkan untuk membuat rangkaian led berjalan:

1. 10 buah lampu Led
2. IC shift register 4017
3. IC timer 555
4. Resistor 1 kilo Ohm
5. Variabel resistor 10 k ohm
6. Kapasitor 10 p Farad
7. Baterai 9 Volt DC sebagai sumber tegangan

Komponen - komponen elektronika diatas sangat mudah kita jumpai dipasaran.

Rangkaian lampu Led berjalan (Running Led)

Setelah komponen - komponen elektronika telah tersedia, kita dapat mulai melakukan perakitan komponen - komponen elektronika tersebut sesuai dengan schematic dibawah ini:

Cara Membuat lampu Led berjalan (Running Led)
Rangkaian clock dengan ic timer 555 dan rangkaian shift register yang diaplikasika sebagai rangkaian lampu led berjalan (running led)

Penjelasan Rangkaian lampu led berjalan (running led)

IC 4017 merupakan Ic decade counter 10 bit yang keluarannya bernilai high (logic 1) secara bergantian mulai dari low significat bit (LSB) sampai dengan most significant bit (MSB) dengan jangka waktu sesuai dengan timer/clock yang masuk ke dalam IC tersebut, sebagai pembangkit clock kita gunakan IC 555 dengan rangkaian dasar asatable, lamanya clock ini dapat kita atur dengan memutar variabel resistor.

Pada saat rangkaian aktif, IC timer 555 akan menghasilkan keluaran berupa sinyal clock dengan perioda tertentu. Sinyal keluaran dari IC timer 555 ini kita jadikan masukan (input) ke IC 4017.

Dengan sinyal masukan yang berupa clock ini (sinyal logic high 1 dan sinyal low 0 secara bergantian) akan membuat IC 4017 akan mengeluarkan input high yang bergantian dari LSB ke MSB dengan periode tertentu sesuai dengan clock keluaran IC timer 555.

Kita dapat mensimulasikan rangkaian diatas untuk menguji rangkaian tersebut dengan menggunakan software proteus. Bisa baca tulisan berikut: Belajar elektronika dengan simulasi menggunakan livewire.

Baca juga:

Keyword: lampu berjalan, led berjalan, lampu led berjalan, running led, rangkaian running led, rangkainan led berjalan, running led circuit, ic 555, Ic 4017elektronika digital, lampu led, simulasi led, membuat led berjalan

Semoga tulisan singkat mengenai Cara Membuat lampu Led berjalan (Running Led) bermanfaat untuk pembaca - pembaca sekalian.

53 komentar:

  1. bs tdk di beri aliran dc 12 volt! kl tidak ,ada tdk rangkaian serupa yg bs di beri arus 12 volt..

  2. bisa, tapi perlu tambahan komponen, jadi keluaran dari IC tidak langsung terhubung ke led(atau output lainnya), tapi hanya untuk mengaktifkan transistor, nah transistor yang akan menjadi switching

  3. nilai komponennya brapa aj , krang jelas itu ... ?

  4. untuk komponen sudah saya tulis diatas, untuk resistor buat ngecilin arus di led bisa gunain 220/540 Ohm

  5. itu IC ada 2 , nilainya brpa aj om ... ?
    yg dket IC kaki 8 kurang jelas nilainya yg di pakai ... ?

  6. yang didket IC 555, plg atas ada resistor 1 kilo Ohm terus, variabel resistor 10k dibawahnya ada kapasitor 10 pFarad,
    atau klik 2 kali aja gambarnya

  7. pak, makasih ilmunya,,,,

  8. itu IC yg 555 , pin yg ke 3 tuh kmn ???

  9. lo LEDx di tambah gtu bisa apa tdk pak?

  10. gan efek running led nya gmana?
    Apa urut dri led 1,2,3 dst tau gmana?

  11. Kang itu keluarannya 12V bukan? kalo mau dibikin 12V gmn? maklum gak ngerti elektronika

  12. Mantep Pak Boss... Maksimal Catu Daya nya Sampe Brp Volt/Ampere ya Pak Boss ???.. M'ksih Pak Boss !!!

  13. hm..gan itu keluar dari ic 555 ke ic 4017 itu mxuk ke 4017 di kaki ic ke brp?
    mohon di jawab gan...

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