Post box usb
About the Post box usb PCB
Post box usb is an open source PCB design by google, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 92.9 × 45 mm, with 102 components from 26 distinct parts.
Other key parts include the MCP1700T-3302E/MB and C75561. By type, the board carries 24 resistors, 15 capacitors, 5 inductors, 2 ICs, 1 crystal and 1 diode.
It belongs with the retro computing designs in this gallery.
From the project
Phillip Pearson's retro hardware projects for the Acorn Electron
An adapter board to allow debugging Archimedes or Risc PC systems using their POST headers.
Main components on the Post box usb
Post box usb bill of materials (BOM)
102 components, 26 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP1700T-3302E/MB | SOT-89-3 | U1 |
| 1 | C75561 PMV65XP,215 | SOT-23 | U2 |
| 1 | NF MC146 32768Hz | Crystal_SMD_SeikoEpson_MC146-4pin_6.7x1.5mm_HandSoldering | X1 |
| 2 | C49678 100n | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | DC1, DC2 |
| 1 | NF pins | PinHeader_2x08_P2.54mm_Vertical | FPGA_IO2 |
| 1 | swd | PinHeader_2x05_P1.27mm_Vertical_SMD | SWD2 |
| 50 | — | via_single | staple_single1, staple_single2, staple_single3, staple_single4, staple_single5, staple_single6, staple_single7, staple_single8 +42 |
| 1 | C152458 BAT54 | D_SOD-123 | D2 |
| 1 | C2296 power | LED_0805_2012Metric | L1 |
| 1 | WS2812B-V5 | WS2812B_PP | L2 |
| 1 | C2296 link/act | LED_0805_2012Metric | L3 |
| 1 | C63855 target pwr | LED_0805_2012Metric | L4 |
| 1 | C72037 POLARITY | LED_0805_2012Metric | L5 |
| 3 | C28323 1u | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2, C5 |
| 9 | C49678 100n | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3, C4, C8, C9, C10, C11, C12, C14 +1 |
| 2 | NF 15p | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C6, C7 |
| 1 | C49678 100n | C_0805_2012Metric | C13 |
| 4 | C17414 10k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R9, R10, R11 |
| 6 | C17513 1k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2, R7, R8, R14, R24, R25 |
| 4 | C17630 330R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3, R13, R21, R22 |
Show 6 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | C17673 4k7 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4, R5 |
| 1 | C17520 2k2 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R6 |
| 3 | C17802 68R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R15, R16, R17 |
| 2 | NF 0R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R18, R19 |
| 1 | C17477 0R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R20 |
| 1 | C17407 100k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R23 |
Post box usb design files
The KiCad project lives in the google/myelin-acorn-electron-hardware repository on GitHub; these links point at the commit this page was built from.
Post box usb: common questions
How big is the Post box usb PCB?
The Post box usb measures 92.9 × 45 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Post box usb?
102 components, from 26 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 Post box usb design files?
From the google/myelin-acorn-electron-hardware repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Post box usb design in my own project?
Yes, under the terms of its Apache-2.0 license, which google chose for the repository.
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