Looks like a bug in the glyph for digit '2' to me. (Specifically, one of the vertices has moved.)
On Firefox 111.0 on 64-bit x86-64 on Linux Mint 20.3 Una, using the Firefox built-in PDF viewer, I do not see...
The connectors are called 'ring terminals', and are usually crimped to the cable (as in 'crimped ring terminal'). They are extremely common whenever grounding is needed, and widely used in cars.
They are characterized...
It could be as simple as the FR-4 material used in MicroMod Teensys having lower flexural modulus (basically Young's modulus), meaning smaller force is required to bend the board.
The PCB on my MicroMod Teensy...
Would the following help clarify the locking scheme to those wondering?
Locking uses a very clever bit of mathematics called public key cryptography. The core of this is that you have a pair of keys, so that what...