HardLabs

CCVDrum

sensai7·CCVDrum·THD/CCdrum.kicad_pcb

CCVDrum PCB layout, top view — open source TI MSP430/CC board by sensai7

About the CCVDrum PCB

CCVDrum is an open source TI MSP430/CC PCB design by sensai7, published on GitHub under the MIT license. It is a 2-layer board measuring 106 × 54.5 mm, with 38 components from 24 distinct parts.

Its main chip is the MSP430G2533, from the TI MSP430/CC family. Other key parts include the LM1117IMP-3.3, 6N139 and 74HC14. By type, the board carries 11 resistors, 7 diodes, 5 capacitors, 4 ICs, 3 connectors and 2 switches.

It belongs with the audio designs in this gallery.

From the project

Energia code and Kicad files for a Korg Volca Drum MIDI CC board

In the Korg Volca Drum there's a hidden menu when you press the edit/step to change five adittional settings for each part and layer: bit resolution, overdrive, wave folding, pan, and pre-amp gain.

This repository contains the code, schematic, and PCB files to build and program a circuit board to control the 'hidden' paramenters from a Korg Volca Drum, having one dedicated knob control for each one and being able to select the first, second, or both layers with the provided push buttons. The circuit is based on a MSP430G2553, a common and cheap microprocessor from Texas Instruments, and it's…

CCVDrum, from the project README
From the project README

Main components on the CCVDrum

MSP430G2533LM1117IMP-3.36N13974HC14

CCVDrum bill of materials (BOM)

38 components, 24 distinct parts.

QtyPartRefs
1
MSP430G2533
U1
1
LM1117IMP-3.3
U2
1
6N139
U3
1
74HC14
U4
1
Barrel_Jack
J1
1
MIDI_in
J4
1
MIDI_out
J5
6
10k
RV1, RV2, RV3, RV4, RV5, RV6
2
SW_Push
SW1, SW2
1
1N4148
D1
1
1
D2
1
2
D3
1
3
D4
1
4
D5
1
5
D6
1
6
D7
2
10
C1, C4
1
330
C2
2
100
C3, C5
1
47k
R1
Show 4 more
QtyPartRefs
2
68
R2, R8
1
220
R3
6
RLED
R4, R5, R7, R10, R11, R12
1
270
R9

CCVDrum design files

The KiCad project lives in the sensai7/CCVDrum repository on GitHub; these links point at the commit this page was built from.

CCVDrum: common questions

What microcontroller does the CCVDrum use?

The CCVDrum is built around the MSP430G2533, from the TI MSP430/CC family.

How big is the CCVDrum PCB?

The CCVDrum measures 106 × 54.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the CCVDrum?

38 components, from 24 distinct parts. The full bill of materials is listed on this page.

Where can I download the CCVDrum design files?

From the sensai7/CCVDrum repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the CCVDrum design in my own project?

Yes, under the terms of its MIT license, which sensai7 chose for the repository.

Can I test firmware for the CCVDrum without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug TI MSP430/CC firmware against it before you order a PCB.

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