Surface-mount circuit board NC2030.

Technical How-To Pages

Converting Data From One Format To Another

How to convert PAL DVDs to NTSC How to copy and burn DVDs, even those with CSS encryption and copy protection, using free software and operating systems How to download videos from YouTube and convert them to XviD and DivX with mencoder How to extract MP3 audio from a video file How to convert audio files from WMA or FLAC to MP3 How to rotate digital camera movies by 90° and convert them to DVD How to modify a flatbed scanner to scan X-Ray films How to use BitTorrent magnet links with Firefox and Chrome Storage media longevity and failure rates — CD/DVD, magnetic disk, flash RAM

Audio / Video and Data Cables

HDMI cables and connector pinouts SVGA cables and connector pinouts EIDE / PATA / SATA / USB / floppy cable pinouts
DVD/VHS deck with cover removed. DVD/VHS deck with cover removed, tape loaded.

The Samsung Galaxy Smartphone

How to install CyanogenMod on the Samsung Galaxy
How to migrate all your data and apps to a larger memory card
How to solve the "Insufficient Storage Available" problem on Android and CyanogenMod
How to take a screenshot on the Samsung Galaxy
How to set custom ringtones, alarms and notification sounds on a Samsung Galaxy
SIM unlocking the Samsung Galaxy
Block telemarketing calls on CyanogenMod using the phone blacklist
Access the Samsung Galaxy secret test menu
How to connect the Samsung Galaxy to Linux or BSD
How to run an SSH server on CyanogenMod

Building and Fixing Things

How to install your own DSL line
How to change the printer "Ready" message
How to build your own TV antenna
ADS-B Flight Tracking with a Raspberry Pi and USB-Connected Software-Defined Radio
Computer BIOS / POST Error Codes
Repair a Tektronix 2445A oscilloscope
How to build your own oscilloscope probes
How to fabricate circuit boards
How to repair a Cisco Catalyst 2900 XL Ethernet switch
How to build a 50Ω RF load and power meter
Interface a Soviet Багта-50 1955 rotary-dial telephone with the mobile network and VoIP
A Fully Metered Power Controller and Lamp
Control a Stereo with a 250-volt 100-amp Double-Pole Knife Switch
An Intentionally Archaic Lamp
Building the NC2030 QRP HF transceiver with surface-mount technology
Motorola DCT 2000 set-top box diagnostics
Network and telecommunication cables
How to repair a backpack
How to brew your own beer
How to recover a digital camera submerged in liquid
Build a box to measure AC power usage
Ham radio, construction & repair, propagation, frequencies
Construction / modification / repair references and parts vendors
Data Recovery
QuickDisk media data recovery
Recovering deleted pictures from digital camera memory
External disk drives and the "Click of death"
Some thoughts about writing technical material
Convert HTML 4 and XHTML pages to HTML 5
Simplify HTML Maintenance with PHP and CSS
HTML Tools — Validation, Color definitions, Unicode, etc
How to do Search Engine Optimization
Browser and Display Greyscale Test Page
How to analyze Apache logs with Linux utilities
3-D Data Collection and Analysis
Data collection and analysis
Range maps
Archival data format
Calculating surface normals and curvatures
Software for range map analysis
Integrating data from multiple viewpoints
Adaptive local extrema detection
Applications to Archaeology
Applications to biology (morphometrics) and paleontology

Links to other sites