Df40-adapter
About the Df40-adapter PCB
Df40-adapter is an open source PCB design by mikegoelzer, published on GitHub under the Custom license license. It is a 2-layer board measuring 43 × 41 mm, with 5 components from 5 distinct parts.
By type, the board carries 2 connectors and 2 capacitors.
It belongs with the power & battery, dev boards & breakouts and displays & leds designs in this gallery.
From the project
Kicad files for homebrew hobbyist computer with custom RISC-V CPU
This is the hardware repo for a homebrew "personal computer" designed from scratch down to the logic gate level.
The computer is based on my custom RISC-V CPU core (pipelined, in-order, 5-stage) and has all the common peripherals you'd expect on a PC circa the early-2000s like USB, HDMI, keyboard and mouse, etc.
This repo is focused specifically on the PCBs necessary to build the complete computer.
Df40-adapter bill of materials (BOM)
5 components, 5 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | M20-9991645 Hirose Electric Co Ltd | HARWIN_M20-9991645 | J1 |
| 1 | DF40C-100DS-0.4V(51) DF40C-100DS-0.4V_51_ Hirose Electric Co Ltd | HIROSE_DF40C-100DS-0.4V_51_ | J2 |
| 1 | VAL** | mouse-bite-2.54mm-slot | mouse-bite-2.54mm-slot |
| 1 | GRM21BR61A476ME15L 47uF TDK Corporation | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | CC0805KRX7R9BB104 0.1uF Murata | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
Df40-adapter design files
The KiCad project lives in the mikegoelzer/Homebrew-ECP5-SBC repository on GitHub; these links point at the commit this page was built from.
Df40-adapter: common questions
How big is the Df40-adapter PCB?
The Df40-adapter measures 43 × 41 mm, has 2 copper layers and is 1.6256 mm thick.
How many components are on the Df40-adapter?
5 components, from 5 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 Df40-adapter design files?
From the mikegoelzer/Homebrew-ECP5-SBC 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 Df40-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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