Sick of the 4 pin push button switch with awkward legs and a propensity to pop out of the breadboard, I went hunting for an alternative.
100pcs here for £1.30! - http://www.aliexpress.com/item/100pcs... (No affiliation)
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If you want to get in contact Twitter is probably the best way @mrdavidjwatts
http://www.davidjwatts.com