Guitar effects processor---Hardware
About the Guitar effects processor---Hardware PCB
Guitar effects processor---Hardware is an open source PCB design by Tutu72byte, published on GitHub. It is a 4-layer board measuring 83 × 57 mm, with 111 components from 50 distinct parts.
Other key parts include the LQFP64, FLASH MEMORY, DAC7311, TPS74501PQWDRBRQ1 and COMP. By type, the board carries 40 capacitors, 40 resistors, 11 test points, 8 ICs, 7 crystals and 3 inductors.
It belongs with the audio designs in this gallery.
From the project
Digital Guitar Effect Processor Pedal – Schematic & PCB Design using KiCad
Complete hardware development of an embedded music signal processing module (Guitar Effect Pedal) from structural block diagram to circuit schematic, pcb design and generation of manufacturing files using KiCad. The projects consists of:
1) Library Creation: Created dedicated project libraries (TIE2026.kicad_sym and TIE2026.pretty) containing custom schematic symbols and footprints.
Main components on the Guitar effects processor---Hardware
Guitar effects processor---Hardware bill of materials (BOM)
111 components, 50 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LQFP64 | IC1_LQFP64 | IC1 |
| 1 | FLASH MEMORY | IC2_SO16 | IC2 |
| 1 | DAC7311 | IC3_TSOP6 | IC3 |
| 1 | ~ | IC5_WSON12 | IC5 |
| 1 | TPS74501PQWDRBRQ1 | IC6_SONB | IC6 |
| 2 | COMP | 8AB_PDS08 | IC7, IC8 |
| 1 | ~ | IC11_VSSOP | IC11 |
| 1 | ~ | Q1_NX3225 | Q1 |
| 1 | MOLEX | X1_MOLEX | X1 |
| 2 | 1/4" SOCKET | QInch_Jack | X2, X3 |
| 1 | Input power jack | ADC_021_3 | X4 |
| 1 | STOMP BUTTON | XC5_MC71101 | X5 |
| 2 | CONN_2.54 | PinHeader_1x02_P2.54mm_Vertical | X6, X7 |
| 1 | RED | LD1_PLCC | LD1 |
| 11 | ~ | TEST_POINT_TIE2026 | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +3 |
| 1 | 3.3U 3.3u | L1_NRS5040 | L1 |
| 2 | 3.3U 3.3u | L_0201_0603Metric | L2, L3 |
| 16 | 100NF 100nF | C_01005_0402Metric | C1, C2, C3, C6, C9, C13, C15, C17 +8 |
| 7 | 1UF 1uF | C_0805_2012Metric | C4, C10, C12, C18, C19, C26, C27 |
| 2 | 470PF 470pF | C_01005_0402Metric | C5, C23 |
Show 30 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 680PF 680pF | C_0201_0603Metric | C7 |
| 1 | 1UF 1uF | C_1206_3216Metric | C8 |
| 1 | 1UF 1uF | C_1210_3225Metric | C11 |
| 1 | 220NF 220nF | C_0201_0603Metric | C14 |
| 1 | 22UF 22uF | C_1210_3225Metric | C16 |
| 2 | 10NF 10nF | C_0201_0603Metric | C20, C21 |
| 1 | 1NF 1nF | C_01005_0402Metric | C24 |
| 1 | 3.3NF 3.3nF | C_01005_0402Metric | C25 |
| 3 | 10UF 10uF | C_0201_0603Metric | C32, C36, C48 |
| 2 | 18PF 18pF | C_0201_0603Metric | C33, C34 |
| 1 | 2.2UF 2.2uF | C_0201_0603Metric | C37 |
| 9 | 33R | R_0402_1005Metric | R1, R2, R3, R4, R8, R9, R10, R11 +1 |
| 2 | 20R | R_0402_1005Metric | R5, R34 |
| 7 | 10KR 10kR | R_0805_2012Metric | R12, R16, R17, R37, R38, R39, R40 |
| 1 | 1K | R_0201_0603Metric | R13 |
| 2 | 9.1KR | R_0201_0603Metric | R14, R33 |
| 1 | 30KR | R_0201_0603Metric | R15 |
| 2 | 1KR | R_0201_0603Metric | R18, R49 |
| 1 | 62KR 62kR | R_0402_1005Metric | R19 |
| 1 | 20KR 20kR | R_0402_1005Metric | R20 |
| 3 | 100K 100k | R_0201_0603Metric | R21, R22, R25 |
| 1 | 249R | R_0201_0603Metric | R23 |
| 1 | 10R | R_0201_0603Metric | R24 |
| 1 | 499K 499k | R_0201_0603Metric | R26 |
| 1 | 100KR | R_0201_0603Metric | R27 |
| 1 | 10MR 10mR | R_0805_2012Metric | R28 |
| 3 | 1MR | R_0805_2012Metric | R29, R30, R31 |
| 1 | 15KR | R_0201_0603Metric | R32 |
| 1 | 200R | R_0201_0603Metric | R41 |
| 1 | 10K | R_0805_2012Metric | R46 |
Guitar effects processor---Hardware design files
The KiCad project lives in the Tutu72byte/Guitar-effects-processor---Hardware repository on GitHub; these links point at the commit this page was built from.
- LayoutTIE2026.kicad_pcb
- SchematicTIE2026.kicad_sch
- BOMfabrication/BOM/TIE2026_BOM.csv
Guitar effects processor---Hardware: common questions
How big is the Guitar effects processor---Hardware PCB?
The Guitar effects processor---Hardware measures 83 × 57 mm, has 4 copper layers and is 1.586 mm thick.
How many components are on the Guitar effects processor---Hardware?
111 components, from 50 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 Guitar effects processor---Hardware design files?
From the Tutu72byte/Guitar-effects-processor---Hardware 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 Guitar effects processor---Hardware design in my own project?
The repository has no license, so all rights stay with Tutu72byte. Use it as a reference, and ask the author before reusing the design.
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