Category Archives: DIY
DIY CRM: part 2 for personal task management
This is continuation to DIY CRM: part 1 for a small team, where the MS Access was used as a simple tool to keep track of tasks or cases for a team. The same tool can be used for a … Continue reading
DIY CRM: part 1 for a small team
MS Access is included in the MS Office set of tools. I was playing around with it, and discovered that it comes with several build-in templates for different tasks. One of the interesting template is “Customer service” template, that was … Continue reading
Recovering files from broken NAS (network attached storage)
After few years, even after little use, my Lacie 1000 Gb NAS went broken. When powering it up, the hard disk did not spin, but a smoke started to come up from the back side of the box close to … Continue reading
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
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
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
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