mb-lre8x2cs_rev4.6
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mb-lre8x2cs_rev4.6 [2014/02/24 17:04] fairlightiii [LED black list] |
mb-lre8x2cs_rev4.6 [2014/04/04 13:55] fairlightiii [Pictures] |
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| ====Pictures==== | ====Pictures==== | ||
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| + | |Actual PCB| | ||
| + | |{{http://midibox.org/forums/uploads/gallery_7662_237_87413.jpg?800 |Top_Rev_4.7!}}| | ||
| + | |{{http://midibox.org/forums/uploads/gallery_7662_237_94830.jpg?800 |Bottom_Rev_4.7!}}| | ||
| + | |||
| ==Mix of the Rev2.5 and protoboard pictures (Note this is not the last versions but they have practically the same dimensions and LEDs/Encoders positioning):== | ==Mix of the Rev2.5 and protoboard pictures (Note this is not the last versions but they have practically the same dimensions and LEDs/Encoders positioning):== | ||
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| ====Schematic==== | ====Schematic==== | ||
| - | |{{http://jeromebo.free.fr/Wiki/MB-LRE8x2CS_Rev4.6/schematic_MB-LRE8x2CS_Rev4.6.png?400 |Schematic}}| | + | |{{http://jeromebo.free.fr/Wiki/MB-LRE8x2CS_Rev4.6/schematic_MB-LRE8x2CS_Rev4.6.png?200 |Schematic}}| |
| You can download a better definition version [[http://jeromebo.free.fr/Wiki/MB-LRE8x2CS_Rev4.6/Schematic_MB-LRE8x2CS_Rev4.6.pdf |here]]. | You can download a better definition version [[http://jeromebo.free.fr/Wiki/MB-LRE8x2CS_Rev4.6/Schematic_MB-LRE8x2CS_Rev4.6.pdf |here]]. | ||
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| Each LEDring is composed of 16 LEDs: 15 on the LEDring itself and one on the lowest part of the LEDring. | Each LEDring is composed of 16 LEDs: 15 on the LEDring itself and one on the lowest part of the LEDring. | ||
| Thorsten advised me about this type of implementation (odd number of LEDs) because it is an [[http://www.dolphinmusic.co.uk/shop_image/product/3711-nord-lead-3-rack-large.jpg|industry standard]] and to have better feedback for some controls (PAN//oramic// e.g.). | Thorsten advised me about this type of implementation (odd number of LEDs) because it is an [[http://www.dolphinmusic.co.uk/shop_image/product/3711-nord-lead-3-rack-large.jpg|industry standard]] and to have better feedback for some controls (PAN//oramic// e.g.). | ||
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| + | Note that the lowest LED (LED1 in the drawing below) is not at the same distance (459 mils) of the center of the encoder than the other LEDs of the LEDring (610 mils). | ||
| You can use 3mm LEDs or 2x5x7mm rectangular LEDs (because the different angles of the LEDs in the LEDring) or all other LED with 0.1 inch (2,54 mm) leads spacing.\\ | You can use 3mm LEDs or 2x5x7mm rectangular LEDs (because the different angles of the LEDs in the LEDring) or all other LED with 0.1 inch (2,54 mm) leads spacing.\\ | ||
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| Be careful when sourcing SIL resistor networks because a 6 Pin SIL resistor network can be 5 commoned resistors (what you need here) or __3__ independant resistors. | Be careful when sourcing SIL resistor networks because a 6 Pin SIL resistor network can be 5 commoned resistors (what you need here) or __3__ independant resistors. | ||
| - | A point on the silkcreen prevent to solder upside-down the resistor networks (a point is also indicated on the resistor network). | + | A dot on the silkcreen prevent to solder upside-down the resistor networks (a dot is also indicated on the resistor network). |
| ==Polarized Electrolytic Capacitor 100 uF== | ==Polarized Electrolytic Capacitor 100 uF== | ||
mb-lre8x2cs_rev4.6.txt ยท Last modified: 2014/04/04 13:55 by fairlightiii
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