Category Archives: Tips

Portable OCR tools to extract text from scanned pages

In addition to previously mentioned gImageReader, these 2 other portable OCR tools worked well in the following scenarios: For adding text overlay into a scanned PDF file (book/document): PDF-XChange Viewer Portable with OCR function For capturing text on the computer … Continue reading

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Converting ISO 27002 into an excel and a graph

ISO 27002 “Code of practice for information security controls” list 144 controls with the same structure for all the controls. If one would like to work on these controls, like reusing them in another documentation or doing a presentation etc, … Continue reading

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OpenWrt, an alternative for improving network security at home with firewall and web proxy

Introduction OpenWrt is a Linux distribution that can be loaded into many wireless routers by replacing the original firmware with OpenWrt firmware. The picture below shows 2 such routers, together with Raspberry Pi on the right for comparison. My interest … Continue reading

Posted in Anvanced Tools, Cybersecurity, DIY, For Fun or Interest, Hobbies and Other Interests, Internet of Things and M2M, Network Monitoring, Recommended Free Tools, Security Training, Awareness and Reports, Tips, Tools, Troubleshooting | Comments Off

Second test, trying to use hand-cranked dc motor to charge USB devices (3 Watts working!)

Finally some good news and results. With a 12V DC motor, when used as a generator, it is possible to deliver close to 3.5 W for charging an android phone! This is a continuation to the previous blog. Working setup … Continue reading

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First test, trying to use hand-cranked dc motor to charge USB devices

Background I tried one hand power cell phone emergency charger with disappointing results. The device is very small, and it comes with a promizing USB connector. But when trying to charge either a USB power bank or mobile phone, it … Continue reading

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Sandboxie, for improved protection of your internet browsing sessions

Antivirus and firewall on your home computer are not protecting you from all malware. Depending on your browsing habits, and which kind of downloads you are doing, and from where, you also would benefit from VPN, network firewall and sandboxing. … Continue reading

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Reusing motorcycle intercom headset with android phone

This is about reusing an old wire based motorcycle intercom headset with android mobile. With intercom app in android, and with bluetooth, it is possible to use it for intercom between android phones, or even use it for phone calls. … Continue reading

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