Loading...
« previous topic   next topic »
Pages: [1]   Go Down
Author Topic: Leonardo bootloader USBtinyISP problem  (Read 182 times)
0 Members and 1 Guest are viewing this topic.
0miker0
Nova Scotia
Offline Offline
Full Member
***
Karma: 2
Posts: 121
View Profile
WWW
« on: February 28, 2013, 08:36:55 am »
 Bigger Bigger Smaller Smaller Reset Reset
I have a few small designs layout out using the Atmega32u4 microprocessor that have the Leonardo bootloader installed using the USBtinyISP and the Arduino 1.0.3 IDE. I just choose the Leonardo and the board, USBtinyISP and clicked burn bootloader. The board usually runs the code fine on power up but occasionally will not. Every now and then I have to put in a new bootloader for it to work properly again. This has happened on two different pieces of hardware. Has anyone else had this problem?
Logged

0miker0
Nova Scotia
Offline Offline
Full Member
***
Karma: 2
Posts: 121
View Profile
WWW
« Reply #1 on: February 28, 2013, 03:01:46 pm »
 Bigger Bigger Smaller Smaller Reset Reset
It turns out the reset line has a 10K pullup resistor but no capacitor to ground. That explains why it occasionally worked.

Mike
Logged

Pages: [1]   Go Up
Print
« previous topic   next topic »
 
Jump to: