ADSR
About the ADSR PCB
ADSR is an open source PCB design by kraakenstuff, published on GitHub. It is a 2-layer board measuring 9.9 × 110.1 mm, with 43 components from 22 distinct parts.
Other key parts include the NE555 and LM358. By type, the board carries 12 resistors, 10 capacitors, 8 diodes, 4 transistors, 3 connectors and 2 ICs.
From the project
2HP ADSR module based on "Fastest Envelope in the West" by René Schmitz (https://www.schmitzbits.de/adsr.html)
Main components on the ADSR
ADSR bill of materials (BOM)
43 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NE555 | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | LM358 | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 4 | MMBT3904 | SOT-23 | Q1, Q2, Q3, Q4 |
| 1 | Gate | PJ301M-12-NoHole | J1 |
| 1 | Out | PJ301M-12-NoHole | J2 |
| 1 | EuroPower | EuroHeader10 | J3 |
| 1 | B1M | POT-9MM-ALPHA | RV1 |
| 2 | B500k | POT-9MM-ALPHA | RV2, RV4 |
| 1 | B10k | POT-9MM-ALPHA | RV3 |
| 5 | 1n4148 | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2, D3, D4, D5 |
| 2 | 1N5819 | D_SOD-123 | D6, D7 |
| 1 | LED | LED_D3.0mm | D8 |
| 2 | 10n | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C1, C2 |
| 1 | 2.2u | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C3 |
| 5 | 100n | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C4, C5, C6, C7, C10 |
| 2 | 10u | CP_Elec_4x4.5 | C8, C9 |
| 2 | 10k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R1, R5 |
| 4 | 4k7 | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R2, R4, R6, R9 |
| 1 | 22k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R3 |
| 3 | 100R | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R7, R8, R10 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 100k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R11 |
| 1 | 1k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R12 |
ADSR design files
The KiCad project lives in the kraakenstuff/ADSR repository on GitHub; these links point at the commit this page was built from.
- LayoutADSR.kicad_pcb
ADSR: common questions
How big is the ADSR PCB?
The ADSR measures 9.9 × 110.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ADSR?
43 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the ADSR design files?
From the kraakenstuff/ADSR repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the ADSR design in my own project?
The repository has no license, so all rights stay with kraakenstuff. Use it as a reference, and ask the author before reusing the design.