Now, I wanted for years to make laser rangefinder. But light does 1m at around 330 MHz.
I just received a vague hint that something called "digital counter fed with fast crystal oscillator" can do the trick even with "slow" microprocessor like Arduino.
Can somebody please point me towards some useful circuit, that would work at around 330 MHz or some digital counter ICs. I tried googling this but, got lots of irrelevant stuff.