Hardware pages

These pages provide some information, teardown photos, analysis of wiring and repairing of several devices.

My hardware

• My USB adapters photos and description of my USB adapters
• Car dock for HTC mobile phones building instructions.

Hardware modifications and improvements

• Key chain camera (Hetai HD-818) modification for switching between USB and charger modes and conversion to a standard Mini-USB charger
• Benq 5V 3A and 3.3V switching power supply chip lookup and conversion to car 5V power supply
• Sharp Zaurus SL-C3200 hardware modifications and improvements

Mechanical parts

• keyboard ↔ display protection pad for tablet or notebook
• granite tile working surface for my workshop desktop
• Sharp tip for Portasol Pro Piezo instructions
• Foam gum HDD holder for Thermaltake Element Q prevents spread of HDD vibration into the case

Repairs and fixes

• APC UPS RS-500 repair broken charging and improve the switching power supply
• ASUS wireless router power supply fix of common failure of the switching power supply
• A2DP Bluetooth audio receiver Enjoy BT-AU01 fix of design defects
• Thermaltake Element Q fix of front panel PCB ground wiring
• Sony Ericsson T610 broken joystick repair
• Mugen Power HLI-C3000 Li-Ion battery teardown teardown and defect analysis
• ADATA SDHC 16GB class6 memory card teardown and reflow attempt
• Pocket scale 150A teardown and fix
• Pocket microscope 160×–200× teardown and fix
• X-mini MAXv1.1 speakers LED dimming
• Hubsan H111 Q4 Nano Quadcopter carrying box and broken leg fix
• Dremel Rotary Attachments prevent damage of the plastic caused by set screw

Hardware information

• USB Mini connectors description and photos
• Micro-USB peripheral detection of HTC mobile phones lists recognized resistor values.
• Several pinout text files

Teardowns

• A-Link WL54USB teardown and chip lookup
• Bulk 802.11 b/g/n Mini size Wireless LAN USB2.0 Adapter teardown and chip lookup, power supply analysis
• Sharp CE-170TS serial cable for Zaurus teardown and wiring analysis
• Key chain camera (Hetai HD-818) provides some insight to this device
• Bulk A2DP Bluetooth dongle headset audio receiver (SK-BTI-005) adapter teardown
• A2DP Bluetooth audio receiver Enjoy BT-AU01 adapter review, teardown and fix
• X-mini MAXv1.1 speakers teardown and LED dimming
• 1.5″ Digital Photo Frame Picture teardown and analysis
• Creatic 18650 Power Bank teardown and analysis
• Probably the cheapest USB Camera teardown, analysis and examples
• Single Channel Li-Ion Battery Charger UF-38 teardown
• Power Supply PSCV12500A teardown
• Unilink AUX Enabler teardown
• Pretec SD 4GB 60× memory card teardown
• Colorgraphic Voyager CF VGA teardown and chip lookup

Other

• Exploded button cell: images of exploded cheap Chinese button cell