There’s a transformer for the linear supply, through-hole components, and an Intersil frequency counter on a chip. Everything is easy to get to and large enough to see.

This 100 MHz frequency counter is a great example. [Michael] just finished building it using a Papilio board. Of course we’re not talking about discreet chips here. The Papilio is an FPGA ...

The Apple cofounder got his first job on the factory line at HP, and said reaching out for opportunities is what ...