Here’s another random gadget for teardown, this time an IR remote control repeater module. These would be used where you need to operate a DVD player, set top box, etc in another room from the TV that you happen to be watching. An IR receiver sends it’s signal down to
A Smorgasbord of Acronyms There are ANSI, OSHA, FDA (CDRH), NRPB, and military standards. The CDRH (Center for Devices and Radiological Health is part of the Food and Drug Administration and is the most relevant regulatory organization in the USA for commercial and scientific lasers. The complete CDRH document may
I thought this would be of interest, as it’s from a drive circa 2001, (DVD-CD-RW). It’s the biggest & most complex optical block I’ve ever seen, with totally separate beam paths for the IR CD beam & the visible DVD beam. It also combines the use of bare laser diodes
Here is a PSP Slim that recently died. For those that are interested, here is the ID label, this is a PSP-2003. Here the front of the unit has been removed, showing the first internal components. Here is the unit with the LCD removed, here the mainboard is partially visible.