Search found 6 matches

by haveachillday
Mon Oct 19, 2015 3:28 pm
Forum: USBDroid
Topic: sd card failed to initialize
Replies: 2
Views: 1552

Re: sd card failed to initialize

SD.begin is now indicating the card is working proper thanks to a switch to SDFAT. however, the tmrpcm library still wont output music. It does output a pop every time the play function is called and my speaker set up has already passed tests. sorry to lay the extra info on you im just rubbering duc...
by haveachillday
Sun Oct 18, 2015 10:37 pm
Forum: USBDroid
Topic: sd card failed to initialize
Replies: 2
Views: 1552

sd card failed to initialize

When I use sd.begin with the sd and spi libraries, it returns a false value indicating failed to initialize. im not sure what this means; has anyone run into this? my 4gb SD card is formatted to fat 32 with the manufacturers program. I could try a two gigabytes fresh SD card and see if it changes an...
by haveachillday
Tue Sep 15, 2015 11:18 pm
Forum: USBDroid
Topic: d13 led is not pin 17! i am confused :^)
Replies: 5
Views: 1270

Re: d13 led is not pin 17! i am confused :^)

yeah that infographic clears everything up! thank you sir madam :D
by haveachillday
Tue Sep 15, 2015 11:02 pm
Forum: USBDroid
Topic: d13 led is not pin 17! i am confused :^)
Replies: 5
Views: 1270

Re: d13 led is not pin 17! i am confused :^)

hi john i was under the impression that to program pins on the Arduino IDE, I would have to use the microcontroller pins and not there plug names. am I mistaken? how then would we differentiate between d5 and a5?
by haveachillday
Tue Sep 15, 2015 10:06 am
Forum: USBDroid
Topic: d13 led is not pin 17! i am confused :^)
Replies: 5
Views: 1270

d13 led is not pin 17! i am confused :^)

according to the usb droid schematic, pin 17 on the micro controller is the on board led and also digital plug 13. this is confusing me because i tested the blink sketch with pin 17 and it would not flash. however, testing: dIgitalWrite(13,HIGH); // this lights up the led! strange no? on top of all ...
by haveachillday
Thu Sep 03, 2015 4:56 am
Forum: USBDroid
Topic: why are some of the Digital and analogue I/O pins labeled for specific uses?
Replies: 1
Views: 592

why are some of the Digital and analogue I/O pins labeled for specific uses?

i was under the impression that these pins with black plugs were all for general use. why, for instance, do we have SLC, SDA, tx, rx and so on? i dont understand their function. just a beginner here.