Teardowns

Samsung Galaxy S9+ and S9 Teardowns

Is Samsung Galaxy S9+ the fanciest Android phone at the moment? Only teardown will tell if this phone is a true contender, or just a weird AR Emoji machine. Read Samsung Galaxy S9+ Teardown by iFixit: two blades for changing aperture versus the usual five on normal cameras; battery, iris scanner, front cam are basically

Motor protector teardown

Here is GE MT03M motor protector: Contactor, Miniature, Overload Relay, 5.5-8.0A Range • Control circuit up to 690V • Power circuit up to 690V • Three-pole differential (phase unbalance protection) • Automatic ambient temperature compensation between – 25ºC and + 60ºC • Choice of manual or automatic reset • Direct connection to contactor or independent

Digital Voltmeter AC 20-500V

I wanted to add an AC voltage meter to my electronics lab variac transformer output (0-275V AC). I decided to get a cheap Machifit AD16-22V 22mm Digital AC Voltmeter AC 20-500V Voltage Meter Gauge Digital Display Indicator with the following Specification: Model AD16-22V Mounting hole 22mm Voltage AC 20-500V Class of safety protection IP65 Color

LED Energie LED bulb teardown

LED Energie brand LED bulb with following data stopped to work properly: 230V 50Hz 7W E27 450lm 3000K 60mA 20D 3684 Mod.5161 So lets make a tear-down Inside There seems to be 20 small LEDs in series inside bulb and one of them burned black. As such this LED string is expected to need around

Laserliner contactless voltage tester teardown

Here is a look what in inside a broken Laserliner Active Finder Plus contactless voltage tester that is designed to detect live lines from 24 V AC to 1000 V AC: Not much see on this side of circuit board. All I can see is place for two 1.5V batteries, beeper and LED. The other

Logitech wireless mouse teardown

Here is view what is inside logitech wireless optical mouse. Let’s open it When doing tear-down on this mouse I was hoping to find what was wrong on this broken mouse. I could not see any reason why it did not work anymore. If you are wondering what is that component connected with wires to

Zyxel gigabit switch

I decided to replace my aging Zyxel and Netwjork 100 Mbit/s Ethernet switched with new gigabit models. I decided to get two ZyXEL GS-108S v2 Media Switch as replacement for those. The Zyxel GS-108S v2 10/100/1000 Mbps switch is designed to provide reliable high-performance media network connectivity – that’s what I need. The Zyxel GS-108S

Ethernet switch teardown

Here is tear-down of old Zyxel  ES-108 10/100Mbit/s Ethernet switch. I had one on my network for many years, but one day it stopped worked and started making whining noise. Look inside. Closer look to details. Main Ethernet switch chip is ADM6999 from ADMtek (now part of Infineon). In addition to it line transformers and power