2 layers20.5 × 24.8 mm
2 layers31.5 × 17.8 mm
USBCondom
csammis/USBCondom3USB data decoupler to prevent juice jacking
- Size
- 31.5 × 17.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 8
- Nets
- 8
- Pads
- 24
- Tracks, vias
- 35, 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 15 Oct 2017
- Updated
- 22 Oct 2017
Overview
USBCondom is an open-source printed circuit board by csammis, from the csammis/USBCondom repository on GitHub. It is a 2-layer board of 31.5 × 17.8 mm with 8 parts on 8 nets, routed with 35 tracks and 2 vias.
It is built around the SR206. Its parts include 4 resistors, 1 capacitor and 1 diode.
Main components
1README
README.mdUSB Condom
A board to allow my iPhone to charge while decoupling the USB data lines to prevent juice jacking. 2017 is strange times.
Designed in KiCad.
Parts
8| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 49.9K | Resistors_SMD:R_0603 | R2, R4 |
| 1 | 100uF | Capacitors_SMD:C_1206_HandSoldering | C1 |
| 1 | 59K | Resistors_SMD:R_0603 | R3 |
| 1 | 75K | Resistors_SMD:R_0603 | R1 |
| 1 | SR206 | Library:DO-219AB | D1 |
| 1 | To_Phone | Connect:USB_A | |
| 1 | To_Source | Connect:USB_A |
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Questions
How big is the USBCondom PCB?
It measures 31.5 × 17.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the USBCondom use?
8 parts, built around the SR206. 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 USBCondom KiCad files?
From the csammis/USBCondom repository on GitHub, at the commit this page was made from: the board is board/USBCondom.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the USBCondom design in my own project?
Its repository states no licence, so its author keeps all rights: ask csammis before reusing the design.