View Full Version : Does Teensy 2.0 need decoupling caps on the power pin?

05-03-2013, 04:01 PM
I always use a 100nF decoupling cap on all MCU's, but maybe it's already incorporated on the Teensy 2.0 board, I don't know.

05-04-2013, 03:14 AM
Looking at the Teensy 2.0 schematic (http://www.pjrc.com/teensy/schematic.html) there is a 1μF electrolytic capacitor between the USB 5V input and ground, and another one ready for use if the optional 3V3 regulator is added.