'Embedded devices' Category

  • Bringing OpenWrt to the Mikrotik hAP lite (RB941-2nD-TC)

    March 19, 2019

    In a previous post I described the Mikrotik hAP lite (RB941-2nD-TC) and its RouterOS and already suggested that I prefer to run OpenWrt on it. Because Mikrotik routers behave a bit different than the usual TP-Link, GL.iNet etc. devices and because there were some pitfalls I had to master myself, here’s some advice to keep […]

  • The Mikrotik hAP lite (RB941-2nD-TC) router and its RouterOS

    March 8, 2019

    The MikroTik hAP lite (RB941-2nD-TC) is the result of my search for a cheap but maintained/maintainable LAN router. In this post I’m going to introduce it in a bit more detail for the curious reader.

  • My SOHO network layer model

    January 30, 2014

    In my eyes, it makes sense to divide the elements that are part of a SOHO (small office/home office) network into one of two layers:

  • The shortcomings of the Linux LEDs API

    September 4, 2009

    In a recent post I mentioned that the Linux kernel has a dedicated API for LEDs. This API is composed of the drivers/leds/ directory and the additional <linux/leds.h> include file, Documentation exists in form of the Documentation/leds-class.txt file. To quote: “The underlying design philosophy is simplicity. LEDs are simple devices and the aim is to […]

  • OpenWrt Remote debugging

    August 26, 2009

    While analyzing hostapd and trying to find out where to hook in after WPA pairwise key exchange has completed, the need arose to get a gdb running on the target platform (the EPIA MII), so I could break in the function and obtain a backtrace.

  • Hacking the Netgear WG102 Access Point

    July 17, 2009

    This article describes my experiences while conducting some reverse engineering of the Netgear WG102 firmware. For one thing, you might learn something about the approaches and methods useful when you want to find out “how they did that” (they = the device’s manufacturer) in general, on the other hand there is also a lot of WG102 resp. Netgear-specific information in here, of course.

 
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