ControlPCB SMD V3.1
VoltageFoundryMod·ForgeSeries-Hardware·Kicad/ControlPCB_SMD_V3.1/ControlPCB_SMD_V3.1.kicad_pcb
About the ControlPCB SMD V3.1 PCB
ControlPCB SMD V3.1 is an open source PCB design by VoltageFoundryMod, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 29 × 99 mm, with 30 components from 17 distinct parts.
Other key parts include the ER_OLEDM0.91_1x-I2C and MCP6004. By type, the board carries 12 resistors, 9 connectors, 4 diodes, 2 ICs, 2 capacitors and 1 switch.
It belongs with the displays & leds designs in this gallery.
From the project
⚠️ I'm currently finishing a redesign of the hardware and will be ready soon, if you plan to build it, message me thru an issue. ⚠️
⚠️ I'm currently finishing a redesign of the hardware and will be ready soon, if you plan to build it, message me thru an issue. ⚠️
This repository hosts the Forge series of modules for the Eurorack format. The Forge series is a collection of firmwares developed for the Forge V1 platform based on the Seeeduino Xiao and MCP4725 DAC and Forge V2 hardware based on the Seeeduino Xiao RP2040 anf the MCP4728 DAC.

Main components on the ControlPCB SMD V3.1
ControlPCB SMD V3.1 bill of materials (BOM)
30 components, 17 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ER_OLEDM0.91_1x-I2C | Display_128x64_096_I2C | U1 |
| 1 | MCP6004 | DIP-14_W7.62mm | U2 |
| 1 | WQP-WQP518MA IN1 Wenzhou QingPu Electronics Co | EighthInch_PJ398SM | J1 |
| 1 | WQP-WQP518MA IN2 Wenzhou QingPu Electronics Co | EighthInch_PJ398SM | J2 |
| 1 | WQP-WQP518MA IN3 Wenzhou QingPu Electronics Co | EighthInch_PJ398SM | J3 |
| 1 | WQP-WQP518MA OUT1 Wenzhou QingPu Electronics Co | EighthInch_PJ398SM | J4 |
| 1 | WQP-WQP518MA OUT2 Wenzhou QingPu Electronics Co | EighthInch_PJ398SM | J5 |
| 1 | WQP-WQP518MA OUT3 Wenzhou QingPu Electronics Co | EighthInch_PJ398SM | J6 |
| 1 | WQP-WQP518MA OUT4 Wenzhou QingPu Electronics Co | EighthInch_PJ398SM | J7 |
| 2 | Conn_01x08 | PinSocket_1x08_P2.54mm_Vertical | J8, J9 |
| 1 | RotaryEncoder_Switch | RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW1 |
| 4 | LED | LED_D2.0mm_W4.8mm_H2.5mm_FlatTop | D2, D3, D4, D5 |
| 1 | 10u | C_Disc_P5.08mm | C1 |
| 1 | 100n | C_Disc_D4.7mm_W2.5mm_P5.00mm | C2 |
| 4 | 39k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R26, R29, R34, R36 |
| 4 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R27, R30, R35, R37 |
| 4 | 470 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R28, R31, R32, R33 |
ControlPCB SMD V3.1 design files
The KiCad project lives in the VoltageFoundryMod/ForgeSeries-Hardware repository on GitHub; these links point at the commit this page was built from.
ControlPCB SMD V3.1: common questions
How big is the ControlPCB SMD V3.1 PCB?
The ControlPCB SMD V3.1 measures 29 × 99 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ControlPCB SMD V3.1?
30 components, from 17 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 ControlPCB SMD V3.1 design files?
From the VoltageFoundryMod/ForgeSeries-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 ControlPCB SMD V3.1 design in my own project?
Yes, under the terms of its GPL-3.0 license, which VoltageFoundryMod chose for the repository.
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