2 layers37.2 × 34 mm
Guitar preamp
dwmorrin/guitar-preamp
High impedance guitar preamp with variable 0 to 33 dB gain.
26 parts
2 layers74.9 × 152.4 mm
OAM Time Machine
patamari/4U-OAM-Time-Machine14U port of the Olivia Artz Modular Time Machine + the Timo Rozendal expander
- Size
- 74.9 × 152.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 94
- Nets
- 76
- Pads
- 309
- Tracks, vias
- 587, 104
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 13 Sep 2025
- Updated
- 13 Sep 2025
Overview
OAM Time Machine is an open-source printed circuit board by patamari, from the patamari/4U-OAM-Time-Machine repository on GitHub. It is a 2-layer board of 74.9 × 152.4 mm with 94 parts on 76 nets, routed with 587 tracks and 104 vias.
It is built around the TL071HID and MCP6004-E/P. Its parts include 33 resistors, 14 diodes, 14 connectors, 11 capacitors and 4 ICs.
Main components
2
TL071HID
SOIC-8-20V~-2.25V、2.25V~20V -40℃~+125℃ 0.5pA 1 105dB 1mV 1pA 20V/us 26mA 2uV/℃ 37nV/√Hz@1kHz 4.5V~40V 5.25MHz 960uA Short-Circuit Protection、EMI filtering/RF suppression SOIC-8 FET Input Amplifiers ROHSTexas InstrumentsOperational Amplifier
MCP6004-E/P
PDIP-14-40℃~+125℃ 1.8V~6V 100uA 1MHz 1pA 1pA 23mA 28nV/√Hz@1kHz 2uV/℃ 4 4.5mV 600V/ms 76dB ESD protection Rail-to-Rail Input, Rail-to-Rail Output PDIP-14 Operational Amplifier ROHSMicrochip TechnologyOperational Amplifier
README
README.md4U-OAM-Time-Machine
4U port of the Olivia Artz Modular Time Machine + the Timo Rozendal expander combined into one board. LW format module. CC-BY-NC-SA
Parts
94| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | 10k | Library:Alpha Pot | RV1, RV2, RV3, RV4, RV5, RV6, RV7, RV8, RV9, RV10, RV11, RV12, RV13, RV14, RV15, RV16 |
| 12 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R15, R17, R18, R20, R21, R22, R24, R25, R26, R28, R29, R30 |
| 10 | RLED | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 |
| 5 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C4, C9, C10, C11 |
| 4 | 1n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5, C6, C7, C8 |
| 4 | 200k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R16, R19, R23, R27 |
| 3 | optional | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R31, R32 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3 |
| 2 | 1N5819 | Diode_SMD:D_SOD-123 | D11, D12 |
| 1 | 100R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R33 |
| 1 | 2.2k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R14 |
| 1 | 4051 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | Audio In L | Library:BananaJackHookup | J1 |
| 1 | Audio In R | Library:BananaJackHookup | J2 |
| 1 | Audio Out L | Library:BananaJackHookup | J4 |
| 1 | Audio Out R | Library:BananaJackHookup | J5 |
| 1 | Clock | Library:BananaJackHookup | J3 |
| 1 | Conn_01x04_Pin | Connector_Molex:Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | J10 |
| 1 | ES_DAISY_PATCH_SM_REV1 | Library:DAISY_PATCH_SM | PATCH1 |
| 1 | F End CV | Library:BananaJackHookup | J12 |
| 1 | F Start CV | Library:BananaJackHookup | J13 |
| 1 | Feedback CV | Library:BananaJackHookup | J8 |
| 1 | Filter LED 1 | LED_THT:LED_D3.0mm | D13 |
| 1 | Filter LED 2 | LED_THT:LED_D3.0mm | D14 |
| 1 | LED1 | LED_THT:LED_D3.0mm | D1 |
| 1 | LED2 | LED_THT:LED_D3.0mm | D2 |
| 1 | LED3 | LED_THT:LED_D3.0mm | D3 |
| 1 | LED4 | LED_THT:LED_D3.0mm | D4 |
| 1 | LED5 | LED_THT:LED_D3.0mm | D5 |
| 1 | LED6 | LED_THT:LED_D3.0mm | D6 |
| 1 | LED7 | LED_THT:LED_D3.0mm | D7 |
| 1 | LED8 | LED_THT:LED_D3.0mm | D8 |
| 1 | LED9 | LED_THT:LED_D3.0mm | D9 |
| 1 | LM4040DBZ-10 | Package_TO_SOT_SMD:SOT-23 | U2 |
| 1 | MCP6004 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U3 |
| 1 | Mode LED | LED_THT:LED_D3.0mm | D10 |
| 1 | Resonance CV | Library:BananaJackHookup | J14 |
| 1 | SW_Push_Dual_x2 | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | Spread CV | Library:BananaJackHookup | J6 |
| 1 | Stereo CV | Library:BananaJackHookup | J11 |
| 1 | TL071H | Package_TO_SOT_SMD:SOT-353_SC-70-5_Handsoldering | U4 |
| 1 | i2c | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J9 |
| 1 | t/2v | Library:BananaJackHookup | J7 |
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Questions
How big is the OAM Time Machine PCB?
It measures 74.9 × 152.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OAM Time Machine use?
94 parts, built around the TL071HID and MCP6004-E/P. 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 OAM Time Machine KiCad files?
From the patamari/4U-OAM-Time-Machine repository on GitHub, at the commit this page was made from: the board is OAM Time Machine.kicad_pcb and its schematic OAM Time Machine.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the OAM Time Machine design in my own project?
Its repository states no licence, so its author keeps all rights: ask patamari before reusing the design.