Bd-2
About the Bd-2 PCB
Bd-2 is an open source PCB design by devilmollusk, published on GitHub. It is a 2-layer board measuring 50 × 52.8 mm, with 65 components from 38 distinct parts.
Other key parts include the TL071. By type, the board carries 27 resistors, 22 capacitors, 7 transistors, 7 diodes and 1 IC.
From the project
Blues Driver KiCad
Main components on the Bd-2
Bd-2 bill of materials (BOM)
65 components, 38 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL071 | DIL08 | IC1 |
| 4 | n_jfet | TO92- | Q1, Q2, Q4, Q5 |
| 2 | pnp_bjt | TO92- | Q3, Q6 |
| 1 | npn_bjt | TO92- | Q7 |
| 1 | + | Pin_D1.0mm_L10.0mm | +9V |
| 6 | 1N914 | DO35-2 | D1, D2, D3, D4, D5, D6 |
| 1 | 1N400X.3 | DO41-3 | D7 |
| 2 | 0.1UF 0.1uF | 072X025 | C1, C6 |
| 1 | 0.15U 0.15u | 072X035 | C2 |
| 2 | 47P 47p | C_CERAMIC_DISC_D3.0mm_W1.6mm_P2.50mm | C3, C4 |
| 1 | 220P 220p | C_CERAMIC_DISC_D3.0mm_W1.6mm_P2.50mm | C5 |
| 1 | 0.047UF 0.047uF | 072X025 | C7 |
| 2 | 2.2NF 2.2nF | 072X025 | C8, C17 |
| 1 | 1UF 1uF | 050_020_1 | C9 |
| 2 | 100PF 100pF | C_CERAMIC_DISC_D3.0mm_W1.6mm_P2.50mm | C10, C11 |
| 2 | 5.6NF 5.6nF | 072X025 | C12, C13 |
| 2 | 18NF 18nF | 072X025 | C14, C15 |
| 1 | 47NF 47nF | 072X025 | C16 |
| 2 | 56NF 56nF | 072X025 | C18, C19 |
| 1 | 10UF 10uF | 050_020_1 | C20 |
Show 18 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 100UF 100uF | 050_020_1 | C21 |
| 1 | 47UF 47uF | 050_020_1 | C22 |
| 2 | 2M | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R24 |
| 1 | 220K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2 |
| 5 | 2.2K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R3, R7, R13, R15, R17 |
| 3 | 4.7K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R4, R14, R27 |
| 1 | 1.5K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R5 |
| 1 | 22K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R6 |
| 1 | 100K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R8 |
| 1 | 330K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R9 |
| 2 | 1M | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R10, R12 |
| 1 | 15K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R11 |
| 1 | 33K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R16 |
| 1 | 5.6K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R18 |
| 2 | 470K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R19, R21 |
| 1 | 6.8K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R20 |
| 3 | 10K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R22, R25, R26 |
| 1 | 1.2K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R23 |
Bd-2 design files
The KiCad project lives in the devilmollusk/bd-2 repository on GitHub; these links point at the commit this page was built from.
Bd-2: common questions
How big is the Bd-2 PCB?
The Bd-2 measures 50 × 52.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Bd-2?
65 components, from 38 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 Bd-2 design files?
From the devilmollusk/bd-2 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 Bd-2 design in my own project?
The repository has no license, so all rights stay with devilmollusk. Use it as a reference, and ask the author before reusing the design.