Main
About the Main PCB
Main is an open source PCB design by thesunRider, published on GitHub. It is a 2-layer board measuring 48.3 × 35 mm, with 19 components from 15 distinct parts.
Other key parts include the HUSB237 and S4B-XH-SM4-TB-(LF)(SN). By type, the board carries 5 connectors, 4 diodes, 3 switches, 2 ICs, 2 resistors and 1 capacitor.
Main components on the Main
Main bill of materials (BOM)
19 components, 15 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | HUSB237 | DFN-6-1EP_2x2mm_P0.65mm_EP1.01x1.7mm | U1 |
| 1 | S4B-XH-SM4-TB-(LF)(SN) | CONN-SMD_S4B-XH-SM4-TB-LF-SN | U3 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Conn_01x07_Pin | 1X07_LOCK_513 | J3 |
| 1 | Conn_01x04_Pin | 1X04_NO_SILK_513 | J4 |
| 1 | Conn_01x02 | 1X08_LOCK_513 | J9 |
| 1 | USB_C_Plug_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | P1 |
| 2 | — | @HOLE0, @HOLE1 | |
| 1 | MK-12D18-G040 | SW-TH_MK-12D18-G040 | SW2 |
| 2 | SW_Push | K2-1114SA-A4SW-06 | SW3, SW4 |
| 3 | SD05_SOD323 | D_SOD-323 | D1, D2, D5 |
| 1 | SK44BL-TP | SMB_L4.6-W3.6-LS5.3-RD | D4 |
| 1 | 1u | C_0805_2012Metric | C1 |
| 1 | RK10J11R0A0H | RES-SMD_RK10J11R0A0H | R1 |
| 1 | 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R40 |
Main design files
The KiCad project lives in the thesunRider/hololit repository on GitHub; these links point at the commit this page was built from.
- Layoutkicad/main/main.kicad_pcb
- Schematickicad/main/main.kicad_sch
Main: common questions
How big is the Main PCB?
The Main measures 48.3 × 35 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Main?
19 components, from 15 distinct parts. The full bill of materials is listed on this page.
Where can I download the Main design files?
From the thesunRider/hololit repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Main design in my own project?
The repository has no license, so all rights stay with thesunRider. Use it as a reference, and ask the author before reusing the design.
