23 Mar 2018

Extech CO250 Protocol Details

Extech CO250 Protocol Title

Note: This post is currently just some loose notes during my R&D, and is a continuation of the Extech CO250 project. See my Extech CO250 review here. I have RS-232 details and teardown here. Open-source Java library I have a working Java library that reads all values over serial and provides statistics (minimum, maximum, average, […]

22 Mar 2018

Extech CO250 RS-232 details

Extech CO250 Title

The Extech CO250 (AKA Senseair pSENSE RH) is a relatively cheap handheld air quality measurement device with decent features. It measures carbon dioxide (CO2), dry-bulb temperature, and relative humidity, and also provides calculated dew-point and wet-bulb temperatures. One interesting feature, and the subject of this post, is it’s serial communications port. It comes with a […]

21 Mar 2018

Extech CO250 Review

Extech CO250 Kit 2

The Extech CO250 is a relatively cheap handheld air quality measurement device with decent features. It measures carbon dioxide (CO2), dry-bulb temperature, and relative humidity, and also provides calculated dew-point and wet bulb temperatures. After some searching I found what seems to be the OEM device which Extech rebadges. The original device seems to be […]

10 Oct 2016

SCA 300W Power Inverter

SCA 300W Power Inverter Review

In this video we take a detailed look at the SCA 300W Power Inverter and review its performance in detail! I explain what a modified sine wave inverter is and how it’s different from a pure sine wave inverter, and it best applications in the field. * This product was provided to us by Supercheap […]

2 Oct 2016

Electronic Clock Kit Build

NFM EC1515A Clock Kit Build

In this video I build an electronic clock kit! I attempt to do it with a cheap USB soldering iron, but don’t last long before switching back to the Hakko. I also offer a few soldering tips and useful tools and gear. It’s a decent little clock with animated LEDs, time, date, temperature, and light […]

18 Jul 2016

Pico 228 LED Video Light Review & Teardown

Pico 228 LED Video Light

In this video I review and teardown a compact and very bright video and photography light. I have an upcoming video that shows colour temperature and brightness measurements and my overhead lighting configuration. *This is an unpaid, non-sponsored review* Further information eBay product page Workbench shelving video I reference (YouTube)  

6 Jun 2016

SCA Automatic Car Battery Charger Review & Teardown

SCA Automatic Car Battery Charger

In this video I review an automatic car battery charger and measure how affective it’s 7 stage charge cycle is but monitoring it’s voltage and current. *This is an unpaid, non-sponsored review* Here’s another video where I do a quick teardown of the charger to see how it’s built and the quality of its components. […]

6 May 2016

Turnigy Infrared Thermometer (ZyTemp TN105i2) Review & Teardown

Turnigy IR Thermometer PCB - 02

In this video I review and teardown the Turnigy Infrared Thermometer, which is a rebadged ZyTemp TN105i2 Compact IR Thermometer. This is a great piece of kit for any electronics workshop! Further information ZyTemp (manufacturer) page Instruction manual (PDF) HobbyKing (distributor) page