2 layers39 × 98 mm
2 layers33 × 90 mm
LogiCrusher
o7-machinehum/MMTMM12Music Makers That Make Music
- Size
- 33 × 90 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 55
- Nets
- 69
- Pads
- 227
- Tracks, vias
- 438, 74
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 25 Sep 2018
- Updated
- 18 Jan 2020
Overview
LogiCrusher is an open-source printed circuit board by o7-machinehum, from the o7-machinehum/MMTMM repository on GitHub. It is a 2-layer board of 33 × 90 mm with 55 parts on 69 nets, routed with 438 tracks and 74 vias.
It is built around the R-783.3-0.5, LM2904DR and 1N5819HW-7-F-01, with the TL1105SPF250Q among its other parts. Its parts include 20 resistors, 18 capacitors, 6 ICs, 6 connectors and 4 diodes. It belongs with the STM32 boards of this library.
Main components
4
R-783.3-0.5
SIP,11.5x7.5mmIsolated Power ModulesRECOM Power
LM2904DR
SOIC-8-13V~13V -40℃~+105℃ 1mA 2 20mA 300V/ms 300nA 3nA 40nV/√Hz@1kHz 5mV 700kHz 7uV/℃ 85dB SOIC-8 Operational Amplifier ROHSUMWOperational Amplifier
1N5819HW-7-F-01
SOD-123Schottky DiodesDiodes Incorporated
TL1105SPF250Q
插件-20℃~+70℃ 12V 2.5N 50mA 6mm 6mm 7.5mm PC Pin Rectangular Button SPST Through Hole 插件 Tactile Switches ROHSE-SwitchTactile Switches
README
README.mdMMM
Makers Make Music. We're designing and building 100% open source eurorack modules, we would love to hear from you! All of our designs are done in kicad, which is an open source PCB design software.
Drum (Bob Bass)
The Bob Bass takes inspiration from the 808 service manual. This guy has knobs all over the place: HPF, LPF, overdrive and control over the resonance and decay. AUDIO --- VIDEO
Logic Crusher
This is a design that conditions synth level audio into 4bit digital. These signals can then be routed through standard TTL logic and then converted back into audio. It's possible to make some very complex sounds. Here is the faceplate, patching is done through the back of the panel.
Some wavforms, the blue is the input and the yellow is the output.
The current setup... (Will be made into a module later)
Parts
55| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | 1uF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C14, C15, C16, C17, C18 |
| 10 | 1M | Resistor_SMD:R_0805_2012Metric | R3, R4, R7, R8, R9, R10, R11, R13, R14, R16 |
| 5 | 10k | Resistor_SMD:R_0805_2012Metric | R5, R15, R17, R18, R20 |
| 4 | 1N5819HW-7-F | Diode_SMD:D_SOD-123 | D1, D2, D3, D4 |
| 4 | LM2904DR | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1, U2, U5, U6 |
| 2 | 0R | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | 20k | Resistor_SMD:R_0805_2012Metric | R6, R19 |
| 2 | CP1 | Capacitor_SMD:CP_Elec_3x5.3 | C12, C13 |
| 2 | Conn_01x10 | Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical | J5, J6 |
| 1 | 10R | Resistor_SMD:R_0805_2012Metric | R12 |
| 1 | Conn_02x03_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J2 |
| 1 | Conn_02x05_Odd_Even | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J3 |
| 1 | Left | Connector_PinSocket_2.54mm:PinSocket_1x10_P2.54mm_Vertical | J1 |
| 1 | R-783.3-0.5 | Converter_DCDC:Converter_DCDC_RECOM_R-78E-0.5_THT | U3 |
| 1 | Right | Connector_PinSocket_2.54mm:PinSocket_1x10_P2.54mm_Vertical | J4 |
| 1 | STM32F373CCTx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U4 |
| 1 | TL1105SPF250Q | Eurocad:TL1105SPF250Q | SW1 |
Questions
How big is the LogiCrusher PCB?
It measures 33 × 90 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LogiCrusher use?
55 parts, built around the R-783.3-0.5, LM2904DR, 1N5819HW-7-F-01 and TL1105SPF250Q. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the LogiCrusher KiCad files?
From the o7-machinehum/MMTMM repository on GitHub, at the commit this page was made from: the board is logiCrusher/HW/HW.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the LogiCrusher design in my own project?
Its repository states no licence, so its author keeps all rights: ask o7-machinehum before reusing the design.
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