Instructions

• Plug HDMI into Beamer
• Plug USB into Computer
• booting the Raspberry takes approximately ?? seconds. the ?? led will light up when ready
• start freeze.exe from the (now attached) USB-Drive
• press WindowsKey+Y to take a screenshot
• simply unplug after use

Parts

• Mini-HDMI <-> HDMI Adapter
• Mini-USB <-> USB A Cable
• Micro-SD-Card >= 2GB
• Raspberry Pi Zero or Zero W or Model A (Model B/2B/3 not supported!)

Hardware

 ______________________
| :::::::::::::::::::: |
|                      |
|_HDMI________USB__PWR_|
   |           |   nc
   v           v
 Beamer        PC

Build windows snapshot-tool

cd windows-snapshot-tool mkdir build && cd build cmake -DCMAKE_TOOLCHAIN_FILE=../Toolchain-cross-mingw32-linux.cmake ../ make

prepare raspberry pi

install raspbian lite

sudo raspi-config

• ??
• ??

sudo su - apt update apt dist-upgrade apt install python3-pyinotify python3-rpi.gpio

echo "dtoverlay=dwc2" >> /boot/config.txt

copy everything to /opt/freezer/ add to /etc/rc.local: python3 /opt/freezer/display.py

readonly-root

ToDo

• readonly-root
• dritte led für boot?
• screenshot-tool option für sofortigen screenshot