TapeLooper MainBoard
About the TapeLooper MainBoard PCB
TapeLooper MainBoard is an open source PCB design by TheSlowGrowth, published on GitHub under the Custom license license. It is a 2-layer board measuring 119.6 × 106.5 mm, with 243 components from 42 distinct parts.
Other key parts include the DAISY_SEED, PCA9685PW, 4051, 74HC165 and TL074. By type, the board carries 109 resistors, 39 capacitors, 26 diodes, 18 ICs, 14 connectors and 12 switches.
It belongs with the audio designs in this gallery.
From the project
A digital tape looper module for Eurorack or standalone use, built on the Daisy Seed.
A digital tape looper module for Eurorack or standalone use, built on the Daisy Seed.
- 4 stereo or mono tape loop channels - record and play back independent, unsynchronized tape loops - Motor simulation - playback speed ramps up and down with a configurable rate - Tape simulation - with drive, grain and warble independently controllable - Variable playback speed - with Volt/Octave CV control and quarter/half/double/quad speed - Forward and reverse playback - Amplitude CV control - Clean recording — audio records cleanly into loop channels; tape simulation is applied during playback only -…
Main components on the TapeLooper MainBoard
TapeLooper MainBoard bill of materials (BOM)
243 components, 42 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DAISY_SEED | Daisy_Seed | U101 |
| 3 | PCA9685PW | TSSOP-28_4.4x9.7mm_P0.65mm | U201, U401, U402 |
| 4 | 4051 | SO-16_3.9x9.9mm_P1.27mm | U601, U602, U603, U604 |
| 2 | 74HC165 | SO-16_3.9x9.9mm_P1.27mm | U605, U606 |
| 1 | TL074 | SOIC-14_3.9x8.7mm_P1.27mm | U701 |
| 1 | LM4040DBZ-5 | SOT-23 | U801 |
| 2 | AZ1117-3.3 | SOT-223-3_TabPin2 | U802, U804 |
| 1 | LM4040DBZ-10 | SOT-23 | U803 |
| 1 | EC4SAW-24S05N | EC4SAW_DC_DC_SIP8 | U805 |
| 2 | MCP6004 | SO-14_3.9x8.65mm_P1.27mm | U901, U902 |
| 1 | Micro_SD_Card | PJS008U-3000 | J101 |
| 12 | PJ398SM | THONKICONN | J701, J702, J703, J704, J901, J902, J903, J904 +4 |
| 1 | CONN_02X05_ODD_EVEN Conn_02x05_Odd_Even | IDC-Header_2x05_P2.54mm_Vertical | J801 |
| 1 | SOLDERJUMPER_2_BRIDGED SolderJumper_2_Bridged | SolderJumper-2_P1.3mm_Bridged2Bar_RoundedPad1.0x1.5mm | JP801 |
| 16 | POTENTIOMETER | 9mm_pot | RV501, RV502, RV503, RV504, RV509, RV510, RV511, RV512 +8 |
| 4 | PTA4543-2010CPB103 | Potentiometer_Bourns_PTA4543_Single_Slide | RV505, RV506, RV507, RV508 |
| 3 | TL1105SPF250Q | SW_PUSH_6mm | SW201, SW202, SW203 |
| 1 | D6R40F1LFS | CK-D6R_Pushbutton | SW204 |
| 4 | C&K 7105SYCQE | 7105SYCQE-1P3T-SP3T-Switch | SW301, SW303, SW305, SW307 |
| 4 | D6R90F1LFS | CK-D6R_Pushbutton | SW302, SW304, SW306, SW308 |
Show 22 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 24 | LED_RED_GREEN_CA | LED_D3.0mm-3 | D201, D202, D203, D204, D205, D206, D207, D208 +16 |
| 2 | 1N5819 | D_SOD-123 | D801, D802 |
| 2 | Bead | L_0603_1608Metric_Pad1.05x0.95mm_HandSolder | L801, L802 |
| 2 | 4.7MH 4.7mH | L_1210_3225Metric_Pad1.42x2.65mm_HandSolder | L803, L804 |
| 4 | 10U 10u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C101, C201, C401, C403 |
| 16 | 100N 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C102, C202, C402, C404, C601, C602, C603, C604 +8 |
| 4 | 560P 560p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C701, C703, C705, C706 |
| 4 | 4U7 4u7 | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C801, C805, C806, C811 |
| 3 | 47U 47u | CP_Elec_6.3x5.8 | C802, C807, C809 |
| 8 | 1n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C901, C902, C904, C905, C906, C907, C909, C910 |
| 7 | 47K 47k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R101, R102, R103, R104, R105, R106, R219 |
| 48 | 330 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R201, R202, R203, R204, R205, R206, R207, R208 +40 |
| 2 | 4K7 4k7 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R217, R218 |
| 16 | 10K 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R220, R221, R222, R223, R301, R302, R303, R304 +8 |
| 12 | 100K 100k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R701, R703, R707, R710, R901, R903, R907, R909 +4 |
| 4 | 8K2 8k2 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R702, R704, R706, R709 |
| 2 | 1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R705, R708 |
| 2 | 2K2 2k2 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R801, R802 |
| 4 | 78K7 78k7 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R902, R908, R914, R920 |
| 4 | 68K 68k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R904, R910, R916, R922 |
| 4 | 481K 481k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R905, R911, R917, R923 |
| 4 | 200K 200k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R906, R912, R918, R924 |
TapeLooper MainBoard design files
The KiCad project lives in the TheSlowGrowth/TapeLooper repository on GitHub; these links point at the commit this page was built from.
TapeLooper MainBoard: common questions
How big is the TapeLooper MainBoard PCB?
The TapeLooper MainBoard measures 119.6 × 106.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TapeLooper MainBoard?
243 components, from 42 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the TapeLooper MainBoard design files?
From the TheSlowGrowth/TapeLooper repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the TapeLooper MainBoard design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
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