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May 2012
No sooner have I adjusted the prices (see March 2012 below) that the Post Office increase all the prices considerably. So, to UK and Europe they will cost £15.00 including delivery. To the USA/Canada they will be £13.00
March 2012
The PCBs are now slightly larger - 19mm x 22.5mm. That will hopefully make it a little easier to connect the wires. I will update the photos when I get chance. I have also added the provision for a rim resistor to make it easier to do 3 zone.
I have decided to adjust the pricing to reflect the VAT and postage differences to different countries. So, to UK and Europe they will cost £13.50 including delivery. To the USA/Canada they will be £12.00. For other countries, please ask, but the likely cost will be the same as USA to non-EU countries
July 2011
DTxpanders will now unfortunately cost £10.30 each. This is to reflect the increasing costs of postage, VAT and components.
April 2010
I realised the pictures didn’t actually reflect the final build - I added test terminals to solder to. I have now updated the pictures.
July 2009
It’s finally here! Not a “new improved” expander as I had hoped, but a smaller cheaper one instead.
Supplied as a built PCB with no wires, case or connectors, it is around a third of the price of the original boxed version.
As you can see it is tiny, mainly to keep the cost down - the bare PCB costs more than the rest of the components put together. There are two M2 clearance mounting holes.
The PCB is FR4, single sided with solder resist.
Instructions are here: PCB Instructions
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