Category: news

Gakken EX-System

Picked up this 70’s educational electronics kit from the market. It’s a Gakken EX-System that used electronic blocks (denshi blocks) to create circuits. Each block contains a component (or wire for signal routing) that...

Blinky Box

Here is a Blinky Box made for my 17 month old son. It a modified version of Miria Grunick’s awesome work. With this version, I used a WS2812B LED strip (which has 30 LED’s)...

AC Ammeter nixie clock

After finishing the DAP nixie clock, I started to look at other cases I had laying around and found one that was very similar to the DAP case. So I pretty much followed the...

D.A.P nixie clock

This meter was originally used by The Department of Aircraft Production (DAP) at its Beaufort Division in the early 1940’s. They used to make Beaufort planes for the RAAF which were based on the Bristol...

TMK nixie clock

Another broken meter from ebay, this one had a cracked glass panel, the needle meter movement was buggered and some of the bakelite from a corner of the case has broken off. This is...

Unusual nixie tubes

A friend had these in his possession and new that I loved nixie tubes, so he gave them to me! They are unusual as they don’t have the traditional anode mesh/grid obscuring the cathode digits.

EM83 VU meter

This is a stereo VU meter using a EM83 display tube, also known as a magic eye tube. A stereo audio input is connected to the RCA connectors at the rear and the audio signal...

Weston nixie clock

Found this weston multimeter on eBay and thought it has potential to be a nixie clock at some point. After designing the layout for the tube and clock PCB’s (based on the tubehobby schematic...

Charlieplex clock

Charlie what? i hear you ask! Charlieplexing is a way of controlling many LED’s with only using a small amount of pins from the microprocessor. I came across this clock design by John Smout @ www.clock-it.net and...