Sitecom WL-326 OpenWrt update

Earlier i’ve written a post on how to install OpenWrt on that router, now it’s time to start fixing broken stuff, especially the reset button and the usb port, along with default switch/network configuration. After some work i’ve managed to reverse engineer the GPIOs of that router, GPIO0 is used on the wps button on … Read more

Convert your cheap “unmanaged” switch to a VLAN capable layer 2 managed switch for just $2

The title of that post may look crazy at first, but it’s not, it is entirely possible to convert your cheap 100M 8 port switch or stuff like that to a managed switch. That’s possible simply because, if you open up one of these and look at the datasheet, you will find out that they … Read more

How to easily test an N-CHANNEL or P-CHANNEL MOSFET using just a multimeter

You should have noticed that most multimeters come with a function to test BJT transistors, but none has a function to test the today’s more common MOSFETs Here are the steps to test an N-CHANNEL mosfet with just a multimeter ( applies to P-CHANNEL too, just swap + and – ), of course the MOSFET has … Read more

Converting movies to 60 fps on linux ( with wine )

You may have heard of SVP project , if not visit their website . SVP in a first pass calculates the motion vectors for the frame ( the direction and velocity that every object in the video has moved with ), and then on the second pass it generates intermediate frames. With that technique it can … Read more

A very simple internet of things system to control lights and other stuff

In these days i’ve worked on how to create a system that allows me to turn on and off lights or appliances at home with minimal cost and complexity, and there it is: Each node (ESP-01 ESP8266) with nodemcu firmware and the init.lua script from esp8266 folder of my repository has two outputs and can … Read more