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parts and prices for one 8x8 high current led matrix block (excluding FPGA)
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NameCountpricetotallinkdistributorpart nrnotes
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8bit shift reg 59520.210.42http://www.reichelt.de/?SID=22awbTmn8AAAIAAA4M3s86b225f304138a188f1e1363e6b9cb9bf;ACTION=7;LA=6;OPEN=0;INDEX=0;FILENAME=A200%252Fsmd_hc_595.pdfreicheltSMD HC 595If it helps, I have 2x HCF4049UBE and 6x PCF8574AP (Marius) the 4049 are just buffers so they dont help in decreasing pin count. the other IC has an I2C interface which requires additional gates on the fpga. we really need shifting registers. i should have like 20 somewere at home (wizard23)
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TC4467, TC4468 or TC4469 quad mosfet driver41.465.84http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en010678microchip directTC446XI have 5x TC4467 and 5x TC4468 in the lab (Marius) thats perfect for the prototype. awesome! (wizard23)
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nMOS FET80.78666.2928http://www.onsemi.com/PowerSolutions/product.do?id=NID5001NonsemiTODOi have 25 of these mosfets so I'll use them for the prototype...it's a little overengineered but (integreted short circuit and thermal protection) but well... more chips are on:http://www.onsemi.com/PowerSolutions/parametrics.do?id=809
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LEDs640.042.56neuer preis von 4 cent weil gesponsert?
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15.1128
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for 54 modules this becomes:846.3168126
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