I had a hard time deciding which section to put this is. The forum lacks a "General Arduino" section. I just received a new Arduino UNO REV.3 after blowing up my Duemillanove. Two things I noticed right away are the strange placement of the reset button and the voltage regulator is about half as l…

Arduino UNO regulator capacity?

seanz2003 February 1, 2013, 1:22am 2

the official R3 schematic shows an NCP1117xxx. and a brief Google search suggests 1 amp max. You should check the specific part number on your board just to make sure.

Topic		Replies	Views
Arduino Uno Power Motors, Mechanics, Power and CNC	4	1823	May 6, 2021
Q: about the NEW Uno R3- and it's LP2985 Microcontrollers	5	3141	May 6, 2021
UNO 5V Terminal current limit/rating? General Electronics	12	4462	May 6, 2021
Arduino uno voltage regulator Motors, Mechanics, Power and CNC	8	11198	May 6, 2021
3.3 DC current for Uno and Mega 2560 Uno Punto Zero	8	23098	May 6, 2021

Arduino UNO regulator capacity?

Related Topics