What is technology inside gas station where you just put in credit card and fill the tank yourself. I has already taken a look at one Verifone payment terminal on what software it runs (it runs Linux). Today I got a view of what is technology used on similar device made by Dresser Wayne AB. →
I have earlier posted about soldering irons. Here is a continuation to it with a set of interesting soldering iron tear-down and DIY videos from YouTube. Inside the cheapest soldering iron on ebay. How To Make a MINI USB Power Soldering Iron Hot! Hot! Hot! Weller ROBUST Soldering Gun, BEB #21 Homemade Soldering Gun How →
Here is one teardown of one microSD to SD card fotrmat adapter. →
iFixit Teardown Gives First Look at iPhone 8′s Guts. View IFixit iPhone 8 Teardown to find out if Apple’s playing a game of mere numerical catch-up to Samsung’s Galaxy S8 line, or if glass backing and wireless charging warrants skipping ahead a grade. iFixit’s iPhone 8 teardown shows that you really don’t want to crack →
What is inside this old mains power filter? →
Why do cheap key feel so bad when typing. Let’s take a tear-down of one HP keyboard. Let’s open it Rubber makes the “keyboard bad feel”. I remenber rubber keyboard feel from Sinclair Spectrum (at 1983)… Flexible circuit board material is used for switches Circuit board Not much to see on the other side of →
Here is teardown of one cell phone repeater device →
http://cobhamwireless.com/product/900mhz/d-sbr-3009/axel-wireless-products-014-3/ Such a repeater has the following main features: Axell 3009D - 900 MHz Software Defined Repeater, 25 dBm composite output power, 82 dB Gain, 12 sub-bands, individual gain and ALC, bandwidth settable by software IP65 rated enclosure. Connectors Inside view →
I bought some years go SILVERCREST Li-lon Rechargeable Handheld Vacuum Cleaner. After those years it does not work properly anymore: it runs just few seconds even though fully charged and then did not start at all. I thought that maybe batteries were going bad. Time for tear-down: Gg Opening the device… Here is the elecronics. →
I have earlier posted DC to AC inverter teardown that showed wat was inside one cheap “modified sinewave” inverter. Now I do a tear-down to a more expensive “true sineware” inverter PI150S from Velleman. This inverter convers 12V DC to nice sinewave 230V 50Hz AC power (up to 150W). View to front and back. This unit →