Vlad's Gadgets

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Ecoforce Recycled Clothes Pegs – Rustproof and UV stable

Ecoforce Recycled Clothes Pegs are waterproof and made out of UV stable plastic. They are immune to many of the problems that plague traditional clothes pegs like rusting, rotting and…

Ecoforce Recycled Clothes Pegs – Rustproof and UV stable
WKB-1000 Wireless Ergonomic Keyboard With TouchPad

The WKB-1000 is a combined wireless keyboard and touch pad oriented towards Media Centre/Entertainment/Home Theatre PCs. It is light and slim, weighing 540g (1.2lbs) and measuring 422x180x19mm (16.6x7.1x0.75 inches). It…

WKB-1000 Wireless Ergonomic Keyboard With TouchPad
Brief Blogs for Week Ending 2013-02-28

The Conversation: Cheaper hardware, software and digital downloads? Here’s how - http://t.co/gmOEYXJqMr ->

Brief Blogs for Week Ending 2012-07-26

From Lifehacker: how to make your smartphone the most important tool in your toolbox - http://t.co/LEcqyReW ->

Universal RF Modulator Lets You Connect a Digital STB to a TV Without Composite Video Inputs

Many of us have old Analogue TV's that are in tip-top shape and have a superb picture. They kept us entertained when we grew up and are now like a…

Universal RF Modulator Lets You Connect a Digital STB to a TV Without Composite Video Inputs
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12 Channel Smart AA, AAA and 9V Battery Charger with Discharge Function

Written by Vlad on March 19, 2011 – 10:12 pm - 3,731 views

Smart battery charger with discharge function, loaded with 8 AA NiMH batteries

This is a microprocessor-controlled battery charger that can charge up to 10 x AA/AAA batteries and 2 x 9V batteries. It supports both NiCad (Nickel-Cadmium) and NiMH (Nickel-Metal Hydride) simultaneously. Each battery is independently monitored and charged, and a multi-colour LED above each battery indicates the charging status.

There is a discharge function that drains all the batteries completely before commencing a charging cycle, which is useful for rectifying “memory effects” and other common battery problems. It employs several mechanisms to ensure that batteries are completely charged, but not overcharged.

It comes with both a 12V DC power adapter that operates worldwide on mains voltages between 100-240V as well as a lead that plugs into a car cigarette lighter socket so you can charge batteries when you’re on the road.

I purchased this from Jaycar electronics, who call it 12VDC & 240VAC Smart Battery Charger Ni-Cd & Ni-MH. I have seen similar smart chargers on eBay, but most are 10-channel chargers with support for only AA and AAA batteries.

Why I bought the Smart AA & AAA battery charger

(more…)


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