MiniADSR 1.0 - Main Board
About the MiniADSR 1.0 - Main Board
MiniADSR 1.0 - Main Board is an open source PCB design by benjiaomodular, published on GitHub under the MIT license. It is a 2-layer board measuring 20 × 102.5 mm, with 30 components from 16 distinct parts.
Other key parts include the LM555CN/NOPB and TL072BCP. By type, the board carries 10 resistors, 7 capacitors, 5 diodes, 3 transistors, 3 connectors and 2 ICs.
It belongs with the audio designs in this gallery.
From the project
A 4HP envelope generator for Eurorack modular synth
A four-parameter envelope generator based on Rene Schmitz' The Fastest Envelope in the West. More info on my website: https://benjiaomodular.com/post/2022-02-02-mini-adsr/
Main components on the MiniADSR 1.0 - Main Board
MiniADSR 1.0 - Main Board bill of materials (BOM)
30 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM555CN/NOPB LM555 | DIP-8_W7.62mm | U1 |
| 1 | TL072BCP TL072 | DIP-8_W7.62mm | U2 |
| 3 | BC547CTFR BC547 | TO-92_Inline_Wide | Q1, Q2, Q3 |
| 1 | JST_BUS | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J3 |
| 1 | IDC_BUS | IDC-Header_2x05_P2.54mm_Vertical | J5 |
| 1 | MainBoard_Pins | PinHeader_1x14_P2.54mm_Vertical | J6 |
| 5 | 1N4148 4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5 |
| 1 | MMK5103K50J01L4BULK 10nF | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C1 |
| 1 | UVR1E100MDD1TD *10uF | CP_Radial_D5.0mm_P2.50mm | C2 |
| 1 | ESC105M050AC3AA 100uF | CP_Radial_D5.0mm_P2.50mm | C3 |
| 2 | ESH107M010AC3AA 100uF | CP_Radial_D5.0mm_P2.50mm | C4, C5 |
| 2 | R82DC3100AA50K 100nF | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C6, C7 |
| 2 | MF1/4DC1002F 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R5 |
| 4 | MFR-25FTE52-4K7 4.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R4, R6, R9 |
| 1 | MF1/4DCT52R2202F 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
| 3 | MFR-25FTE52-100R 100 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R7, R8, R10 |
MiniADSR 1.0 - Main Board design files
The KiCad project lives in the benjiaomodular/MiniADSR repository on GitHub; these links point at the commit this page was built from.
MiniADSR 1.0 - Main Board: common questions
How big is the MiniADSR 1.0 - Main Board?
The MiniADSR 1.0 - Main Board measures 20 × 102.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the MiniADSR 1.0 - Main Board?
30 components, from 16 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 MiniADSR 1.0 - Main Board design files?
From the benjiaomodular/MiniADSR repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the MiniADSR 1.0 - Main Board design in my own project?
Yes, under the terms of its MIT license, which benjiaomodular chose for the repository.
More boards in MiniADSR
MiniADSR 1.1
20 × 128.5 mm43 parts2LMIT21
MiniADSR 1.0.1
20 × 128.5 mm41 parts2LMIT21
MiniADSR 1.0.1 - Main
20 × 102.5 mm30 parts2LMIT21
MiniADSR 1.1 - Main Board
20 × 102.5 mm30 parts2LMIT21
MiniADSR 1.0 - Control Panel
20 × 102.5 mm11 parts2LMIT21
MiniADSR 1.0.1 - Control
20 × 102.5 mm11 parts2LMIT21
MiniADSR 1.1 - Control Board
20 × 102.5 mm11 parts2LMIT21
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