Passive mini headphone amplifier D08

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What for?  This is a passive headphone amp for small handheld devices. Non-controlled, Non-option for user friendly. Just amplifying a little bit more for your high impedance headphones for around 10 USD.  This amplifier has built-in Lithium-Polymer battery about 800mAh for running thru over 12hrs as manufacturer description. And I… Read more »

Handheld retro game console “Retro FC” review

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The memory of past, my younger times remembers what I played, what I wanted to play. This small gaming console has hundreds of unclear to original or not games, and some are not working correctly. But China made this for only under 20 USD includes shipping fee – Great copyright… Read more »

Easy way to build Rock960 ARM64 system image.

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Why need to do this? 96Board developing team only provides armhf ( arm 32bit ) pre-build images in officially. But some people as like me, are need to use AARCH64 for better performance. This article is for people who demands runs Rock960 board on AARCH64. Preparation x86.64bit debian based Linux,… Read more »

Rock960b/c debian stretch prebuild system image for AARCH64

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Currently 96rock’s (VAMRS) Rock960 board officially published for debian stretch image for 32bit ( they aren’t published for AARCH64 ), so I rebuilt their open source for supporting nvative AARCH64 at all with bundled LXDE. Download link: Rock960B ( RK3399 + 4GB lpDDR3 + 32GB eMMC ) https://mega.nz/#!cp1wRSZS!Lg35IENdY7eyzCLT5PpYZc81b3XCZexUYq9n46YP_ig Rock960C (… Read more »

Latest Inland SSD 480GB has no DRAM !

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When I bought Inland SSD 480GB again from Amazon, I found new SSD is exactly different from old model by just open paper box – that was plastic enclosured SSD, it was never expected. Left : new, Right: old  Aghhh .. always problem is ‘cost down matter’ of many manufacturer,… Read more »

Plan to replace server on RPI3B+

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    Since I bought RPI3B+ board again for myself, determined to replace home network server include this Android device what running as web server. Waiting for new system …

Create HBITMAP from Fl_RGB_Image

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Here is a simple code for convert Fl_RGB_Image to HBITMAP. HBITMAP GetHBMPfromFlRGBImg( const Fl_RGB_Image* src ) { if ( src == NULL ) return NULL; if ( src->d() != 4 ) /// Accepts only for RGBA 4 depth. return NULL; BITMAPINFOHEADER bmih = {0}; bmih.biSize = sizeof(BITMAPINFOHEADER); bmih.biWidth = src->w();… Read more »

Developing libuvc for MinGW-W64, day 1

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Now I am trying to get YUV2 buffer from formal USB camera, but it doesn’t easy on Windows system. MS designed most of USB video devices need to use Direct media layer, but it occurs many different problems while using OpenGL or hardware accelerated surface at same instance of Windows… Read more »