MegaDrum 56 inputs latest schematic and PCB

[Necrotique]

hi, has anyone the kicad or eagle libary from the 74HC4851 IC?

greetings

[dmitri]

Schematics and footprint libraries for most widely used parts/devices are included with KiCad, e.g. for 4851 ICs you can use 4051 for schematics and a relevant footprint - e.g. DIP16.
For less widely used parts/devices you can look at http://www.kicadlib.org/, google or draw your own.

[mail_valik]

What is it? Problem with PCB picture - marked red

test.jpg

[dmitri]

It's called 'thermal relief'.

[mail_valik]

Help please!
Is
SN74HC4851QPWRQ1 http://www.ti.com/lit/ds/symlink/sn74hc4851-q1.pdf
are replacement for 4851??

[dmitri]

4851 is a generic term for all versions of the chip. All will do for MegaDrum. If there were a requirement for a specific 4851 chip version I would have pointed it out.

[isque]

Hi Dmitri,in the case that i just need 32 inputs, can i use the Atmeage32-16PU MCU for this pcb? And which input socket schematic for this PCB? Is the smae as this below?

[dmitri]

Hi Dmitri,in the case that i just need 32 inputs, can i use the Atmeage32-16PU MCU for this pcb?

Atmega32, 324, 644 are all pin compatible.

And which input socket schematic for this PCB? Is the smae as this below?

The explanation for pinout of the input sockets is in the first post.

[Maylord.war]

Hi all

Only two question:

1) With this version is possible to select the low or high impedance for hihat?

2) The pinout of the IDE output is the same of the v3.2?

Thanks a lot and happy new year

[dmitri]

Hi all

Only two question:

1) With this version is possible to select the low or high impedance for hihat?

Both low and high impedance HiHat controller inputs are on Pads Connector.

2) The pinout of the IDE output is the same of the v3.2?

v3.2 of Synthex's board? No.