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memang untuk dot matrix 8x8 24 pin itu memiliki dua warna sedangkan dot matrix 16 pin hanya memiliki 1 warna,
untuk harga tidak jauh beda hanya selisih 5000 rupiah di tokopedia.
Dot matrix satu warna biasanya 16 pin
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dot matrix 2 warna biasanya 24 pin
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Skematiknya saya ambil dari web orang Rusia, (atau bisa baca di postingan saya disini) dan dibantu coding oleh pak ; Tri Wijayanto, Tio Munyink, Mas Sholeh
Berikut PCB Nya :
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ralat gambar
Persiapan bahan untuk dirakit :
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Sudah selesai dirakit, ada beberapa jalur yang harus di jumper karena jalur putus.
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Perhatikan Pemasangan Kristal, jangan salah
Ralat Kristal 32,768 Khz, bukan Mhz
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diuji coba dan hasilnya mantab...
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reff : http://www.rokhmad.com/2016/08/jam-digital-dengan-dot-matrix-8x8.html
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