BM64 adapter
About the BM64 adapter PCB
BM64 adapter is an open source PCB design by tomaskovacik, published on GitHub under the Custom license license. It is a 2-layer board measuring 26.9 × 75.4 mm, with 32 components from 16 distinct parts.
Other key parts include the BM64, PJ-320B and PJ-327A. By type, the board carries 12 capacitors, 9 resistors, 4 ICs, 3 connectors, 2 switches and 2 diodes.
From the project
HW (pcb, schematics etc) for my projects
arduino based cdc emulator moved to https://github.com/tomaskovacik/vwcdavr/tree/master/HW/arduinobasedcdc_emulator
Main components on the BM64 adapter
BM64 adapter bill of materials (BOM)
32 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BM64 | BM64 | U1 |
| 2 | PJ-320B | 3.5mm_stereo_jack_PJ320B | U2, U4 |
| 1 | PJ-327A | PJ-327A | U3 |
| 1 | Conn_01x22_Male | Pin_Header_Straight_1x22_Pitch2.54mm | J1 |
| 1 | Conn_01x22_Male | Pin_Header_Straight_1x21_Pitch2.54mm | J2 |
| 1 | USB_B_Micro | USB_Micro-B | J3 |
| 2 | SPST | 3x6x2.5mm_tact_switch | SW1, SW2 |
| 2 | LED | LED_1206_HandSoldering | D1, D2 |
| 3 | 470p | C_1206_HandSoldering | C1, C6, C9 |
| 3 | 1u | C_1206_HandSoldering | C2, C4, C11 |
| 2 | 4u7 | C_1206_HandSoldering | C3, C5 |
| 2 | 10u | C_1206_HandSoldering | C7, C8 |
| 2 | 100n | C_1206_HandSoldering | C10, C12 |
| 1 | 2k | R_0805_HandSoldering | R1 |
| 5 | 1k | R_0805_HandSoldering | R2, R3, R4, R5, R9 |
| 3 | 10k | R_0805_HandSoldering | R6, R7, R8 |
BM64 adapter design files
The KiCad project lives in the tomaskovacik/hw repository on GitHub; these links point at the commit this page was built from.
BM64 adapter: common questions
How big is the BM64 adapter PCB?
The BM64 adapter measures 26.9 × 75.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BM64 adapter?
32 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 BM64 adapter design files?
From the tomaskovacik/hw 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 BM64 adapter design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
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