Posted in Arduino Hacks Tagged arduino, crystal, I/O pins, oscillator ← Baby’s First Star Light Projector And A Foil Slip Ring Electric Poncho Keeps You Warm On The Go → ...

A crystal oven is a simple enough device — essentially just a small box containing a crystal oscillator and a thermostatic heater.

Starting a crystal oscillator fast in an IoT node is an art: the high Q needed for stability means they take milliseconds to get going, just to transmit a 128μs Bluetooth LE packet, and power is at a ...