4gates
About the 4gates PCB
4gates is an open source PCB design by Alloyed, published on GitHub under the MIT license. It is a 2-layer board measuring 34 × 100 mm, with 80 components from 32 distinct parts.
Other key parts include the TL074, 40106 and L78L05_TO92. By type, the board carries 32 resistors, 17 connectors, 13 capacitors, 6 diodes, 4 ICs and 4 switches.
From the project
read-only mirror
folders starting with , eg designrules represent shared templates/libraries for all modules. all other folders are an individual module.
Main components on the 4gates
4gates bill of materials (BOM)
80 components, 32 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | TL074 | DIP-14_W7.62mm_Socket | U1, U4 |
| 1 | 40106 | DIP-14_W7.62mm_Socket | U2 |
| 1 | L78L05_TO92 | TO-92_Inline | U3 |
| 2 | J113 | TO-92 | Q1, Q8 |
| 1 | A_OUT | PinHeader_1x05_P2.54mm_Vertical | J1 |
| 2 | CV_IN | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J2, J9 |
| 2 | CV_OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J3, J10 |
| 1 | EURO_PWR_2x5 | Pins_2x05_2.54mm_TH_Europower_shrouded | J4 |
| 2 | GATE_OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J5, J11 |
| 2 | TRIG_OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J6, J12 |
| 1 | A_IN | PinHeader_1x05_P2.54mm_Vertical | J7 |
| 1 | PANEL_A_OUT | PinSocket_1x05_P2.54mm_Vertical | J8 |
| 1 | PANEL_B_IN | PinSocket_1x05_P2.54mm_Vertical | J13 |
| 1 | PANEL_A_IN | PinSocket_1x05_P2.54mm_Vertical | J14 |
| 1 | PANEL_B_OUT | PinSocket_1x05_P2.54mm_Vertical | J15 |
| 1 | B_IN | PinHeader_1x05_P2.54mm_Vertical | J16 |
| 1 | B_OUT | PinHeader_1x05_P2.54mm_Vertical | J17 |
| 2 | R_Potentiometer | RD901F4015R1B10K00DL1 | RV1, RV2 |
| 2 | SW_SPDT | 200MSP1T1B1M2QE | SW1, SW2 |
| 1 | ARCADE_BTN | JST_XH_S2B-XH-A-1_1x02_P2.50mm_Horizontal | SW3 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ARCADE_BTN_B | JST_XH_S2B-XH-A-1_1x02_P2.50mm_Horizontal | SW4 |
| 4 | D | D_DO-35_P7.62mm_Horizontal | D1, D2, D5, D6 |
| 2 | 1N5817 | D_DO-41_P7.62mm_Horizontal | D3, D4 |
| 4 | 10nF | C_Disc_P5.08mm | C1, C4, C7, C14 |
| 2 | 10uF | CP_Radial_P2.5mm | C2, C3 |
| 6 | 0.1uf | C_Disc_P5.08mm | C5, C9, C10, C11, C12, C13 |
| 1 | 0.33uf | C_Disc_P5.08mm | C6 |
| 8 | 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R9, R10, R11, R12, R20, R27 |
| 8 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R7, R13, R14, R15, R19, R23, R28 |
| 12 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4, R6, R8, R16, R18, R21, R22, R24 +4 |
| 2 | 1m | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5, R29 |
| 2 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R17, R25 |
4gates design files
The KiCad project lives in the Alloyed/KitsBlips repository on GitHub; these links point at the commit this page was built from.
4gates: common questions
How big is the 4gates PCB?
The 4gates measures 34 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 4gates?
80 components, from 32 distinct parts. The full bill of materials is listed on this page.
Where can I download the 4gates design files?
From the Alloyed/KitsBlips repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 4gates design in my own project?
Yes, under the terms of its MIT license, which Alloyed chose for the repository.
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