electronics | Geeks3D

Simple Display Emulator with an HDMI-VGA Adapter

JeGX — Fri, 09 Jun 2017 13:19:32 +0000

Several years ago, I wrote articles about a dummy VGA dongle based on a DVI-VGA adapter (see HERE and HERE). Let’s see if this old trick is still valid today with an HDMI-VGA adapter. The main goal of this dummy VGA/HDMI dongle is to fool Windows (or Linux or macOS) by simulating a ghost monitor that would be plugged on the HDMI port. To be … Continue reading Simple Display Emulator with an HDMI-VGA Adapter »

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How to Control a LED With Raspberry PI GPIO and GLSL Hacker GeeXLab (in Lua or Python)

JeGX — Tue, 26 May 2015 15:17:14 +0000

Article index: 1 – The Hardware Side 1.1 – First Circuit: LED + Resistor 1.2 – Second Circuit: LED + Resistor + Amplifier 2 – The Software Side This article will show you how to easily turn on and off a LED (the real world) using GeeXLab (the virtual world) and the GPIO connector of the Raspberry Pi (the interface to the real world). The … Continue reading How to Control a LED With Raspberry PI GPIO and ~~GLSL Hacker~~ GeeXLab (in Lua or Python) »

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(Tutorial) Graphics Cards Voltage Regulator Modules (VRM) Explained

JeGX — Tue, 04 May 2010 13:01:43 +0000

Article Index 1 – Introduction to VRM 2 – VRM: Theory 3 – VRM: Radeon HD 5970 4 – VRM: GeForce GTX 480 1 – Introduction to VRM Today, a small article about VRMs. I wrote it few months ago further to the overclocking problems encountered by the Radeon HD 5970 (see HERE and HERE) with FurMark. These overclocking problems have a common source: VRMs. … Continue reading (Tutorial) Graphics Cards Voltage Regulator Modules (VRM) Explained »

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