Panel
About the Panel PCB
Panel is an open source PCB design by vk2gpu, published on GitHub. It is a 2-layer board measuring 99.1 × 99.1 mm, with 117 components from 29 distinct parts.
Other key parts include the L78L05, 74HC14, 74HCT595, BluePill_STM32F103C and YMF262. By type, the board carries 30 diodes, 29 resistors, 24 capacitors, 14 connectors, 11 switches and 9 ICs.
It belongs with the audio designs in this gallery.
From the project
OPL3 based 4-op drum synth module
Main components on the Panel
Panel bill of materials (BOM)
117 components, 29 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | L78L05 | SOT-89-3_Handsoldering | U1 |
| 1 | 74HC14 | SOIC-14_3.9x8.7mm_P1.27mm | U2 |
| 1 | 74HCT595 | SOIC-16W_5.3x10.2mm_P1.27mm | U3 |
| 1 | BluePill_STM32F103C | DIP-40_W15.24mm_Socket | U4 |
| 1 | YMF262 | SOIC-24W_7.5x15.4mm_P1.27mm | U5 |
| 2 | YAC512 | SOIC-16_4.55x10.3mm_P1.27mm | U6, U7 |
| 2 | TL074 | SOIC-14_3.9x8.7mm_P1.27mm | U8, U9 |
| 1 | Conn_02x05_Eurorack | IDC-Header_2x05_P2.54mm_Vertical | J1 |
| 10 | Jack | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles_TS | J2, J3, J4, J5, J6, J7, J10, J11 +2 |
| 1 | Conn_01x04_Male | PinHeader_1x04_P2.54mm_Vertical | J8 |
| 1 | Conn_01x11_Female | PinSocket_1x11_P2.54mm_Vertical | J9 |
| 1 | Conn_01x08_Female | PinSocket_1x08_P2.54mm_Vertical | J14 |
| 6 | SW_Push | SW_SPST_EVQP0 | SW1, SW2, SW3, SW4, SW5, SW6 |
| 5 | Rotary | RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW7, SW8, SW9, SW10, SW11 |
| 3 | 1N4004 | D_SOD-123 | D1, D2, D3 |
| 6 | LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D4, D5, D6, D7, D8, D9 |
| 15 | 1N4148 | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D10, D11, D12, D13, D14, D15, D16, D17 +7 |
| 6 | LED | LED_D1.8mm_W3.3mm_H2.4mm | D25, D26, D27, D28, D29, D30 |
| 2 | 22uF | C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C1, C2 |
| 5 | 1uF | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C3, C21, C22, C23, C24 |
Show 9 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 9 | 100nF | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C4, C5, C6, C7, C8, C17, C18, C19 +1 |
| 2 | 33pf | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C9, C10 |
| 2 | 10uF | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C11, C12 |
| 4 | 2700pF | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C13, C14, C15, C16 |
| 2 | 10 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2 |
| 6 | 100k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R3, R4, R5, R6, R7, R8 |
| 11 | 1k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R9, R10, R11, R12, R13, R14, R15, R16 +3 |
| 2 | 33 | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R20, R21 |
| 8 | 10k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R22, R23, R24, R25, R26, R27, R28, R29 |
Panel design files
The KiCad project lives in the vk2gpu/4op_drum_synth repository on GitHub; these links point at the commit this page was built from.
- Layouthardware/panel.kicad_pcb
Panel: common questions
How big is the Panel PCB?
The Panel measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Panel?
117 components, from 29 distinct parts. The full bill of materials is listed on this page.
Where can I download the Panel design files?
From the vk2gpu/4op_drum_synth repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Panel design in my own project?
The repository has no license, so all rights stay with vk2gpu. Use it as a reference, and ask the author before reusing the design.
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