Smallest Rocrail Server Ever II
About the Smallest Rocrail Server Ever II PCB
Smallest Rocrail Server Ever II is an open source PIC PCB design by GBert, published on GitHub. It is a 2-layer board measuring 82 × 72 mm, with 58 components from 28 distinct parts.
Its main chip is the PIC18F25K80, from the PIC family. Other key parts include the SN65HVD230, TPS5430DDA, CD4504 and LM317. By type, the board carries 29 resistors, 19 capacitors, 5 ICs, 2 connectors, 1 crystal and 1 diode.
From the project
miscellaneous stuff / unsorted
Main components on the Smallest Rocrail Server Ever II
Smallest Rocrail Server Ever II bill of materials (BOM)
58 components, 28 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SN65HVD230 | SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | PIC18F25K80 | SSOP-28_5.3x10.2mm_P0.65mm | U4 |
| 1 | TPS5430DDA | TI_SO-PowerPAD-8_ThermalVias | U7 |
| 1 | CD4504 | SOIC-16_3.9x9.9mm_P1.27mm | U8 |
| 1 | LM317 | TO-252-2 | U9 |
| 1 | 16MHZ 16MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 2 | ~ | Conn16 | J4, J5 |
| 1 | SS54 | D_SMA | D100 |
| 1 | 15UH 18uH | L_10.4x10.4_H4.8 | L100 |
| 12 | 100NF 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C6, C8, C9, C10, C11, C12, C13 +4 |
| 2 | 18PF 18pF | C_0603_1608Metric | C3, C4 |
| 3 | 10UF 10uF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C5, C18, C100 |
| 1 | 10N 10n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C101 |
| 1 | 220UF 220uF | CP_EIA-7343-31_Kemet-D_Pad2.25x2.55mm_HandSolder | C102 |
| 1 | 10K 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 3 | 680 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R5 |
| 1 | 4K7 4k7 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 8 | 3K3 3k3 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7, R9, R10, R14, R15, R22, R23 |
| 2 | 120 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R11, R21 |
| 3 | 270 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12, R16, R103 |
Show 8 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 49.9 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17, R18, R19, R20 |
| 1 | 1K5 1k5 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R24 |
| 1 | 47K 47k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R25 |
| 1 | 240 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R26 |
| 1 | 2K2 2k2 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R27 |
| 1 | 39K 39k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R28 |
| 1 | 10K 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R101 |
| 1 | 5K6 5k6 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R102 |
Smallest Rocrail Server Ever II design files
The KiCad project lives in the GBert/misc repository on GitHub; these links point at the commit this page was built from.
- Layoutsrse2/SRSE2.kicad_pcb
- Schematicsrse2/SRSE2.kicad_sch
- BOMsrse2/SRSE2_BOM_V1_8.1a.csv
Smallest Rocrail Server Ever II: common questions
What microcontroller does the Smallest Rocrail Server Ever II use?
The Smallest Rocrail Server Ever II is built around the PIC18F25K80, from the PIC family.
How big is the Smallest Rocrail Server Ever II PCB?
The Smallest Rocrail Server Ever II measures 82 × 72 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Smallest Rocrail Server Ever II?
58 components, from 28 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 Smallest Rocrail Server Ever II design files?
From the GBert/misc 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 Smallest Rocrail Server Ever II design in my own project?
The repository has no license, so all rights stay with GBert. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Smallest Rocrail Server Ever II without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug PIC firmware against it before you order a PCB.
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