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Merge branch 'main' of https://github.com/cecio/USBvalve

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README.md
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# USBvalve
*Expose USB activity on the fly*
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/versions.png" alt="The two models" />
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/versions.png" alt="The two models" width="30%" height="30%" />
I'm sure that, like me, you were asked to put your USB drive in an *unknown* device...and then the doubt:
@@ -9,10 +9,10 @@ what happened to my poor dongle, behind the scene? Stealing my files? Encryptin
With **USBvalve** you can have an immediate feedback about what happen to the drive: the screen will show you if the *fake* filesystem built on the device is accessed, read or written:
FIXME some pics
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/selftest.png" alt="Selftest" style="zoom:35%;" />
<p float="left">
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/selftest.png" alt="Selftest" width="15%" height="15%" />
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/readme.png" alt="Readme" width="15%" height="15%" />
</p>
## Repository Structure
@@ -30,8 +30,6 @@ FIXME some pics
## Build USBvalve
FIXME: two usbs
### Part list
If you want to build your own, you need:
@@ -45,11 +43,13 @@ If you want to build your own, you need:
Almost all the job is done directly on the board by the software, so you just need to arrange the connection with the OLED for output
FIXME pico_pinout
#### With USBvalve PCB
FIXME pics of the two sides of the PCB
<p float="left">
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/USB_valve_front.png" width="25%" height="25%" />
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/USB_valve_back.png" width="25%" height="25%" />
</p>
- place the Raspberry Pi Pico on the silk screen on the front
- you don't need to solder all the PINs. Just the following:
@@ -64,18 +64,20 @@ Some of the OLEDs have the GND and VCC PINs swapped, so I built the PCB to be co
For example if your OLED has GND on PIN1 and VCC on PIN2 like this:
FIXME picture
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/usb_valve_oled.png" width="35%" height="35%" />
You have to place a blob of solder on these two pads on the back of the PCB:
FIXME picture
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/usb_valve_pads.png" width="15%" height="15%" />
Otherwise you should the opposite and place the solder on the other PADs:
FIXME picture
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/usb_valve_pads_2.png" width="15%" height="15%" />
#### Without USBvalve PCB
<img src="https://github.com/cecio/USBvalve/blob/main/pictures/pico-pinout.svg" alt="Pico Pi" width="85%" height="85%" />
If you are using a breadboard or just wiring, all you have to do is to ensure to connect the proper PINs at the OLED screen.
The mapping is the following: