OHAK 130
About the OHAK 130 PCB
OHAK 130 is an open source PCB design by biomurph, published on GitHub. It is a 2-layer board measuring 38.1 × 25.4 mm, with 50 components from 22 distinct parts.
Other key parts include the rfd_77101, MAX30100, NCP551, BMI160 and MCP73831. By type, the board carries 14 capacitors, 14 resistors, 6 ICs, 4 switches, 3 diodes and 2 transistors.
From the project
Place for OHAK prototypes
Main components on the OHAK 130
OHAK 130 bill of materials (BOM)
50 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | rfd_77101 | RFD77101 | U1 |
| 1 | MAX30100 | MAX30100 | U2 |
| 2 | NCP551 | SOT-23-5 | U3, U6 |
| 1 | BMI160 | LGA_2.5x3 | U4 |
| 1 | MCP73831 | SOT-23-5 | U5 |
| 2 | Q_NMOS_GSD | SOT-23 | Q1, Q2 |
| 1 | CONN_01X10 | 4u-0201GDVE06 | P1 |
| 1 | USB_OTG | 10118193_microUSB | P2 |
| 1 | Battery | JST_SH_SM02B-SRSS-TB_02x1.00mm_Angled | BT1 |
| 4 | C_1206 | C_1206 | S1, S2, S3, S4 |
| 4 | Watch_Pin_50mil | Watch_Pin_50mil | W1, W2, W3, W4 |
| 1 | Led_RGB_CA | CLMVB-FKA-CFHEHLCBB7a363 | D1 |
| 1 | D_Schottky | C_0603 | D2 |
| 1 | Dialight_R_G_LED | 0606_Bi-Color | D3 |
| 3 | 0.1uF | C_0603 | C1, C7, C10 |
| 8 | 1uF | C_0603 | C2, C4, C6, C8, C9, C12, C13, C14 |
| 3 | 10uF | C_0603 | C3, C5, C11 |
| 7 | 10K | C_0603 | R1, R2, R9, R10, R11, R14, R16 |
| 1 | 130R | C_0603 | R5 |
| 2 | 1M | C_0603 | R7, R8 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 30R | C_0603 | R12, R17 |
| 2 | 470 | C_0603 | R13, R15 |
OHAK 130 design files
The KiCad project lives in the biomurph/OHAK_Hardware repository on GitHub; these links point at the commit this page was built from.
- LayoutOHAK_130.kicad_pcb
OHAK 130: common questions
How big is the OHAK 130 PCB?
The OHAK 130 measures 38.1 × 25.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the OHAK 130?
50 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the OHAK 130 design files?
From the biomurph/OHAK_Hardware repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the OHAK 130 design in my own project?
The repository has no license, so all rights stay with biomurph. Use it as a reference, and ask the author before reusing the design.
