Pages: [1]   Go Down
Author Topic: Broken Uno?  (Read 293 times)
0 Members and 1 Guest are viewing this topic.
Offline Offline
Newbie
*
Karma: 0
Posts: 9
View Profile
 Bigger Bigger  Smaller Smaller  Reset Reset

Hi, I maybe broken my Uno. Idk, When I connect three led, and let them lights, first lights normally(2V) and the other just a veryveryveryvery bit(1,7V). Do I need to change chip, or what? Thanks.
Logged

Massachusetts, USA
Offline Offline
Tesla Member
***
Karma: 201
Posts: 8706
View Profile
 Bigger Bigger  Smaller Smaller  Reset Reset

Sounds like the results you would get if you left out a 'pinMode(pin, OUTPUT)' somewhere.
Logged

Send Bitcoin tips to: 1L3CTDoTgrXNA5WyF77uWqt4gUdye9mezN
Send Litecoin tips to : LVtpaq6JgJAZwvnVq3ftVeHafWkcpmuR1e

Austin, TX
Offline Offline
Faraday Member
**
Karma: 71
Posts: 6136
Baldengineer
View Profile
WWW
 Bigger Bigger  Smaller Smaller  Reset Reset

What size resistor are you using?

You probably didn't set the pins to output.
Logged

Capacitor Expert By Day, Enginerd by night.  ||  Personal Blog: www.baldengineer.com  || Electronics Tutorials for Beginners:  www.addohms.com

Offline Offline
Newbie
*
Karma: 0
Posts: 9
View Profile
 Bigger Bigger  Smaller Smaller  Reset Reset

I'm using 220ohm resistor, but I am absolutely dumbass and I forgot "output" code.
Logged

Pages: [1]   Go Up
Jump to: