Enabling Webcam in VirtualBox Guest OS on Windows Host

This post shows steps to enable webcams in a VirtualBox guest OS on Windows host. OS/software and the version I used are below. I tested it with Microsoft Surface Pro 4 and Dell Precision 3510. Host: Windows 10 running VirtualBox 5.2.6. Guest: Ubuntu Linux 16.04.03 / Mac OS X High Sierra   Here is the steps. Steps 1. Install ‘Oracle… Continue reading “Enabling Webcam in VirtualBox Guest OS on Windows Host”

Creating Wireless Router using Raspberry Pi Zero W

This post shows steps to set up Raspberry Pi Zero W as a wireless router. I tested it with Raspbian Buster Lite (September 2019 version) on Raspberry Pi Zero W and this USB WiFi adapter. [Updated on 11.25.2019] The figure above shows overview of the idea. Here are some assumptions: Raspberry Pi Zero W (the… Continue reading “Creating Wireless Router using Raspberry Pi Zero W”

Silent boot on Raspbian Stretch in Console Mode

Update (May 22, 2019): Step 5 has been updated to adopt the latest version of Raspbian (2019-04-08). The purpose of the steps here is to remove Rainbow image, Raspberry Pi Logo, login messages, etc. from Raspberry Pi boot up process when it’s in console autologin mode. For silent boot in desktop mode, please see this… Continue reading “Silent boot on Raspbian Stretch in Console Mode”

Setting Up Raspberry Pi Web Kiosk

This post shows steps to setup a web kiosk using Raspberry Pi. The goal is to load a web page using a browser in full-screen kiosk mode directly after boot up. I tested it with Raspberry Pi 3 B+ running Raspbian Stretch (November 2017 version) with Raspberry Pi official 7″ display. I used Chromium as browser. Also,… Continue reading “Setting Up Raspberry Pi Web Kiosk”

Adding Power Switch on Raspberry Pi

Below shows how I added a physical power switch to Raspberry Pi. It enables boot up, shutdown, and reboot Raspberry Pi board. Note: This switch does not actually power-up or power-down, and Raspberry Pi board consumes some mA of current even after shutdown (i.e. halt state). To control actual power, additional circuit such as this is… Continue reading “Adding Power Switch on Raspberry Pi”