Skip to content

Experimental Engineering

  • The Engineer
    • The Tools
    • The Shack
    • OpenPGP Public Key
    • Contact The Engineer
  • Circuit Simulator
  • Project List
  • Photo Albums
    • Whitby Camping Trip – August 2020
    • Electric Glassware Collection
    • Glasgow Transport Museum 2018
    • Astle Park Steam Rally 2017
    • Anson Engine Museum 29-08-16
    • Download Festival Photo Albums
      • Download Festival 2009
      • Download Festival 2010
      • Download Festival 2011
      • Download Festival 2014
      • Download Festival 2015
      • Download Festival 2016
      • Download Festival 2017
        • Demolition Download IV
      • Download Festival 2018
        • Demolition Download V
        • Lords Of Lightning
        • Circus Of Horrors
      • Download Festival 2019
      • Download Festival 2020
      • Download Festival 2022

Tag: SMT

Cat Links Consumer Gear, Randoms, Teardown

Fire Angel CO-9D Carbon Monoxide Detector Teardown

Posted on December 2, 2015 The Engineer

This detector has now been retired from service since it’s a fair bit out of date. So here’s the teardown! Unlike older detectors, this unit has a built in battery that never needs replacing during the life of the sensor, so once the unit reaches it’s expiry date it’s just

Continue readingFire Angel CO-9D Carbon Monoxide Detector Teardown

Cat Links Hacks, Personal Project, Randoms

Active Ultracapacitor Balancing

Posted on April 10, 2015January 3, 2021 The Engineer

Here’s another active balancing circuit for large ultracapacitor banks, this one is designed for a series string of 6, at 2.5v per capacitor. Based on the design here, I have transcribed the circuit into Eagle & designed a PCB layout. As can be seen from the circuit diagram above, this

Continue readingActive Ultracapacitor Balancing

Cat Links A/V Gear, Consumer Gear, CRT Tech, Hacks, Viewfinder CRTs

Camcorder CRT Viewfinder

Posted on September 14, 2011October 16, 2019 The Engineer

Here are the viewfinder electronics from a 1984 Hitachi VHS Movie VM-1200E Camcorder. These small CRT based displays accept composite video as input, plus 5-12v DC for power. Here is the front face of the CRT, diameter is 0.5″. Closeup view of the PCB, there are several adjustments & a

Continue readingCamcorder CRT Viewfinder

Tip Jar

If you’ve found my content useful, please consider leaving a donation by clicking the Tip Jar below!
All collected funds go towards new content & the costs of keeping the server online.

  • Electronic Calculators
  • Ohm’s Law Calculator
  • Grid Square Locator
  • Crimp Connector Types

Blogroll

  • Arduino ccTalk Tutorials
  • Distant Signal Radio
  • Skippy's Random Ramblings

Hardware Interfacing

  • Arduino ccTalk Tutorials

Archives

  • Helium Neon Lasers
    • He-Ne Lasers – Introduction
    • Applications of a 1mW Helium-Neon Laser
    • He-Ne Laser Safety
      • Laser Safety Classifications
    • Theory of Operation, Modes, Coherence Length
    • He-Ne Laser Tubes, Heads, Structure, Power Requirements, Lifetime
    • Power Requirements for He-Ne Lasers
      • Modular He-Ne Laser Power Supply
    • Wavelengths, Beam Characteristics
    • Magnets in High Power or Precision He-Ne Laser Heads
    • Internal Mirror He-Ne Tubes up to 35 mW – Red and Other Colours
    • Viewing Spectral Lines in Discharge, Other Colours in Output
    • Demonstration He-Ne Lasers, Weatherproofing
    • Interesting, Strange, and Unidentified He-Ne Lasers

Recent Posts

  • HP Pavilion x360 14-dy0518sa – Linux Experience
  • FieldBest I Optical Power Meter Teardown
  • Brsk Updates – A New Network Link
  • Melles-Griot 05-LHR-088 Helium-Neon Laser
  • Infrastructure Updates & The Cost Of Living
Copyright © 2022 Experimental Engineering | Signify Dark by WEN Themes
Scroll Up