4
votes
One of the LEDs on my Arduino is very dim
You need to add this line for the other LED pin:
pinMode(ledPin2, OUTPUT);
- 2,449
2
votes
Why Did I Have To Program Duemilanove Bootloader?
Related questions, Is their a way to check which boot loader is in a board?
I wrote some code to detect chip signatures a while ago which also reports on known bootloaders: http://www.gammon.com.au/...
- 38.9k
2
votes
Will the Duemilanove bootloader work in the Uno?
The question asks about Y problem. Here is the solution for the problem X in this X->Y situation.
I require a slower upload speed than the 115200 baud rate used in the Uno's Optiboot bootloader.
The ...
- 18.3k
2
votes
Accepted
Will the Duemilanove bootloader work in the Uno?
Yes it will.
Both the Arduino Duemilanove and Arduino Uno use the ATMega328P microcontroller. (There is also a version of Arduino Duemilanove ATMega168 that uses the Diecimila bootloader and that is ...
- 3,218
1
vote
Unexpected value change of 2nd Potentiometer
As I was having chat with @Maxmilian Gerhardt he suggested to check the voltage of pot 2 so when I checked I was getting 0 volt So he Suggested me there may be a loose connection or something with the ...
- 11
1
vote
Arduino is freezing after 10-15 minutes
I would add a delay(100); to the bottom of your loop()
I'm betting even odds that solves it.
- 51
1
vote
Accessing 2 dimensional array in PROGMEM inside loop
After going through link given by Juraj above again, I could make it work as follows:
const byte a1[] PROGMEM = {'a', 'b', 'c', 'd'};
const byte a2[] PROGMEM = {'e', 'f', 'g', 'h', 'i'};
const byte ...
1
vote
DMX on the Arduino without additional driver chip
The physical layer of a DMX interface is based on differential signaling over an RS485 link. This is exactly what is said here on the DMX Arduino.cc page.
A differential signal (like RS485 or USB) ...
- 7,513
1
vote
One of the LEDs on my Arduino is very dim
You need this same line for the other LED pin:
pinMode(ledPin2, OUTPUT);
- 2,514
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