Raspberry Pi for Secret Agents - Third Edition

Making a covert wearable recorder with Pi Zero

Having a powerful device as small as the Pi Zero opens up all sorts of opportunities for covert operations. So why don't we build a voice recorder that we can take out with us and hide on our person—but which will also do everything else we'd expect from the Pi Zero? The low power requirement means that we can get hours of portable power from a small lithium-ion power bank.

Now, while the Pi Zero is very small, unfortunately the standard connector kit for power and USB makes it bulkier once we start plugging things into it:

Pi Zero connector kit

The bit that was bothering me was the bulky and long USB ...