Category Archives: Uncategorized

How to remove LED flickering in webcam

Posted on September 29, 2023 by glframebuffer

LED flickering in webcams can be a pesky issue, especially when you’re in the middle of an important video call or recording a video. The flickering is often caused by the mismatch between the frequency of the LED lights and … Continue reading →

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Electronic symbols

Posted on January 12, 2016 by glframebuffer

Symbol Name Battery (one cell). Negative on the left. Battery. Negative on the left. Earth ground Chassis ground Signal ground Switch (Single Pole, Single Throw – SPST). Normally Open (NO). Switch (Single Pole, Single Throw – SPST). Normally Closed (NC). … Continue reading →

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[LINUX]How to mount NAS network drive or folder in Raspberry pi

Posted on December 28, 2015 by glframebuffer

we could mount network share or folder or drive, on linux  Follow step to install  required software and mount NAS share Open a Terminal and install   CIFS utility as mentioned below, sudo apt-get install cifs-utils or sudo apt-get install … Continue reading →

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How to add new layer in Yocto i.mx6

Posted on March 7, 2015 by glframebuffer

It is suggested to create a layer when creating or modifying any metadata file (recipe, configuration file or class). The main reason is simple: modularity. Follow these steps 1. To have access to Yocto scripts, setup the environment from the … Continue reading →

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How to Watch Live Interrupts

Posted on May 14, 2014 by glframebuffer

Watch Command useful to check timely update from shell. Here is example to check in interrupts every one second $ watch -d -n1 “cat /proc/interrupts”     It shows interrupt count updated in highlighted 🙂 

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[BBB] How to connect 1TB external USB HDD with NTFS on Beaglebone Black

Posted on November 27, 2013 by glframebuffer

BBB Linux doesn’t recognise NTFS File System by default it throws error. if you check by using following command $df -h most of time you may see /dev/sda1 is not available. it needs additional package to understand NTFS filesystem. install … Continue reading →

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[Qt] How to cast objects in Qt

Posted on July 24, 2013 by glframebuffer

Qt has many advantages and sometimes C++ developer finds it difficult position to choose between standard C++ and Qt native calls. Here is good way to do casting between Qt objects and widget Use of qobject_cast() for casting objects  instead … Continue reading →

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[BBB]Bluetooth on Beaglebone black & white

Posted on June 28, 2013 by glframebuffer

I had purchased cheap BT dongle on ebay and luckly my beaglebone black recognized it.my happiness short lived. Since BT transfer file or any device was not able to discover. to fix this issue i had to go through following … Continue reading →

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[Raspberrypi] How to install lighttpd and PHP on RaspberryPI

Posted on January 26, 2013 by glframebuffer

This is a how-to to on installing and setting up lighttpd and PHP on raspberrypi. Lighttpd or “lighty” is a webserver with a very low use of resources. Install the packages we need: (this may not be all, but these two will … Continue reading →

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