Control board for ADSR-3310-8
polykit·adsr-3310-8·control/control.kicad_pcb
About the Control board for ADSR-3310-8
Control board for ADSR-3310-8 is an open source PCB design by polykit, published on GitHub. It is a 2-layer board measuring 27 × 106 mm, with 11 components from 8 distinct parts.
By type, the board carries 6 resistors and 1 connector.
It belongs with the audio designs in this gallery.
From the project
Kicad schematics and PCB layout for an 8 channel ADSR based on CEM3310/AS3310
Here you can find Kicad schematics and PCB layout for an 8 channel ADSR based on the CEM3310/AS3310 integrated circuit. It has a separate control board for all 4 parameters and offers gate and trigger input and CV output. Power is supplied by standard +12V/-12V Eurorack connector.
Leave 3310 ICs out and turn attack, decay and release control to maximum. Adjust trimpots until you measure -240mV on all three test points to ground.

Control board for ADSR-3310-8 bill of materials (BOM)
11 components, 8 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CONTROL | Molex_KK-254_AE-6410-06A_1x06_P2.54mm_Vertical | J1 |
| 1 | ATTACK 10k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV4 |
| 1 | DECAY 10k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV5 |
| 1 | RELEASE 10k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV6 |
| 1 | SUSTAIN 10k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV7 |
| 1 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 2 | 2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R18 |
| 3 | 1k8 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R15, R16, R17 |
Control board for ADSR-3310-8 design files
The KiCad project lives in the polykit/adsr-3310-8 repository on GitHub; these links point at the commit this page was built from.
Control board for ADSR-3310-8: common questions
How big is the Control board for ADSR-3310-8?
The Control board for ADSR-3310-8 measures 27 × 106 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Control board for ADSR-3310-8?
11 components, from 8 distinct parts. The full bill of materials is listed on this page.
Where can I download the Control board for ADSR-3310-8 design files?
From the polykit/adsr-3310-8 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Control board for ADSR-3310-8 design in my own project?
The repository has no license, so all rights stay with polykit. Use it as a reference, and ask the author before reusing the design.
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