Jeremy Rubin's Blog

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A mix of essays, technical notes, and project updates. The main focus is Bitcoin, with additional series like Shenzhen Journey.

Browse by series: Bitcoin or Shenzhen Journey.

Wirebonding Factory Tour

Shenzhen Adventure Day 25
01 Jul 2015

Wirebonding is a technique you’re probably familiar with if you’ve ever taken apart a cheap toy.

Manual Board Population/SMT Factory Tour

Shenzhen Adventure Day 25
01 Jul 2015

When you make a lot of a board, you get a fully automated SMT line. But what about when you only make 5? Programming a SMT line takes time and is expensive. So you can do the dumb thing – do them by hand!

South China Material City Tour

Shenzhen Adventure Day 24
30 Jun 2015

With my back still in significant pain from the previous nights massages, it was time for the South China Material City.

Chinese Massage Parlor

Shenzhen Adventure Evening 23
29 Jun 2015

In the evening of the 23rd, we took a trip over to a local massage parlor. Before you crack any jokes about what goes on in the massage parlor (yes, that does still exist if you want to find it), that’s not why we wen...

Furniture Factory Tour

Shenzhen Adventure Day 23
29 Jun 2015

For Day 23 we’re going to take a look at a furniture factory. This is a HUGE factory; probably the largest we saw on our trip, spanning many many hangars. Unfortunately I didn’t take too many pictures at this factory.