• November 20, 2015

    SerialPort and Sleep Mruby Gems To Instruct Texas LaunchPad TM4C123G with ARM Cortex M4

    I always wanted to build something with mruby. After building mruby on my Raspberry Pi, I wanted to use the serialport mrbgem to instruct my Texas TM4C123G with ARM Cortex M4. I used to program the controller using Keil IDE on windows. After getting a mac, I have been writing program into it using energia. It is as simple as programming an arduino. The pin diagram with numbers are in the figure for the use in energia.

  • November 20, 2015

    Best Practices to Recover Ruby Gems and Developer Tools in Mac OSX El Capitan

    El Capitan has Darwin-15 (different from the last kernel). The first step that I found is to disable SIP (System Integrity Protection) by the following the steps below.

  • August 04, 2015

    Compiling Anything from the Portstree failed in FreeBSD 10.1 Raspberry Pi

    After getting portsnap extracted on my FreeBSD RPi Desktop, I wanted to compile a couple of things from the ports tree. But when I wanted to compile something, It first used to fetch “pkg” and the make failed. When I ran:

  • August 04, 2015

    Raspberry Pi FreeBSD portsnap fetch clockktime Error

    After setting up the network, let’s try to fetch and extract the portsnap. Hell !! It resulted in something irritating.

  • August 04, 2015

    Configuring WiFi Adapter in FreeBSD Raspberry Pi

    After banging my head a lot of times, finally I found out the solution for connecting my Raspberry Pi to my WiFi network using an adapter. The adapter is from NetGear (realtek RTL IEEE 802.11) and while my machine used to boot up, it was recognized as “urtwn0” WiFi card. At first, the adopter didn’t glow. Then I found out that is a problem adapter. So, I had to allow the license for realtek urtwn0 driver in /boot/loader.conf file. The file didn’t exist and I created one.