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Tag: piezo

Cat Links Medical Gear, Teardown

OLED Pulse Oximeter Teardown

Posted on October 12, 2016 The Engineer

Here’s a piece of medical equipment that in recent years has become extremely cheap, – a Pulse Oximeter, used to determine the oxygen saturation in the blood. These can be had on eBay for less than £15. This one has a dual colour OLED display, a single button for powering

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Cat Links Consumer Gear

PSi 150 Power Inverter

Posted on May 23, 2011 The Engineer

This is a small 120W power inverter, intended for small loads such as lights, fans, small TVs & laptop computers. End cover of the unit, 12v DC input cord at the top, power switch & indicator LEDs at the bottom. Opposite end of the unit, with the standard 240v AC

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Cat Links Consumer Gear

Vivicam 5190

Posted on March 4, 2011February 11, 2011 The Engineer

A 5 megapixel digital camera from Vivitar. Visible here is the lens, viewfinder & flash. Rear of the unit showing the LCD & user control buttons. Front frame removed showing some of the internals. Shutter assembly & lens in centre, battery compartment at left. Rear frame removede, showing the LCD

Continue readingVivicam 5190

Cat Links Consumer Gear

Window Break Alarm

Posted on February 6, 2011February 4, 2011 The Engineer

Cheap unbranded window break alarm. Here is the front of the unit, with the sounder at the top, Power/sensitivity switch at the right. Battery test button at the left. Rear of the device, with the adhesive pad used to attach it to a window. Front cover removed, showing the batteries,

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Cat Links Consumer Gear

Uniden Stalker Radar Detector

Posted on January 14, 2011 The Engineer

An early speed radar detector from the early 90’s. Pictures showing the front of the unit with the option buttons. Bottom of the unit showing label. Unlike the newer plastic detectors, the whole casing of this unit is cast aluminium. Model Uniden Stalker RD-6000W. PCB removed from the casing. Volume/power

Continue readingUniden Stalker Radar Detector

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