2 layers140 × 49.5 mm
Imx23 phone
karrister/imx233_gsm
This project started as my thesis project for the University (of applied sciences) of Helsinki. The project is about making a simple open source, Linux based cellular phone.
153 parts
2 layers35 × 18 mm
XA1541 Commodore drive/machine to PC parallel port converter cable. PCB for DB25 backshell
- Size
- 35 × 18 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 10
- Nets
- 13
- Pads
- 51
- Tracks, vias
- 109, 3
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 23 Nov 2018
- Updated
- 23 Nov 2018
Overview
XA1541 is an open-source printed circuit board by monotech, from the monotech/XA1541-PCB-for-DB25-Backshell repository on GitHub. It is a 2-layer board of 35 × 18 mm with 10 parts on 13 nets, routed with 109 tracks and 3 vias.
It is built around the BSV52. Its parts include 4 resistors, 4 transistors and 2 connectors.
Main components
1README
README.mdXA1541-PCB-for-DB25-Backshell
XA1541 Commodore drive/machine to PC parallel port converter cable. PCB for DB25 backshell
Designed to fit the grey plastic DB25 backshells like the Cinch 40-9725H (Digikey 367-1174), and the Connfly DS1045-25AP1S1-A, as well as many generic ones you can find that match those two.
Details about XA1541 is here: http://sta.c64.org/xa1541.html
Credit for schematic goes to Michael Klein and Nicolas Welte, 2000.
Parts
10| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 4.7K | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R2, R3, R4 |
| 4 | BSV52 | TO_SOT_Packages_SMD:SOT-23 | Q1, Q2, Q3, Q4 |
| 1 | Commodore Serial DIN6 | Pin_Headers:Pin_Header_Angled_1x06_Pitch2.54mm | J1 |
| 1 | PC Parallel Port | Connector_Dsub:DSUB-25_Male_EdgeMount_P2.77mm | J2 |
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Questions
How big is the XA1541 PCB?
It measures 35 × 18 mm and has 2 copper layers, 1.6 mm thick.
What parts does the XA1541 use?
10 parts, built around the BSV52. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the XA1541 KiCad files?
From the monotech/XA1541-PCB-for-DB25-Backshell repository on GitHub, at the commit this page was made from: the board is XA1541.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the XA1541 design in my own project?
Its repository states no licence, so its author keeps all rights: ask monotech before reusing the design.