Cant Communicate with USB + Serial RGB Backlight Character L

Our weekly LIVE video chat. Every Wednesday at 8pm ET!

Moderators: adafruit_support_bill, adafruit

Please be positive and constructive with your questions and comments.
Locked
User avatar
AnthonyLeung
 
Posts: 1
Joined: Fri Oct 24, 2014 4:46 am

Cant Communicate with USB + Serial RGB Backlight Character L

Post by AnthonyLeung »

Dear All,

I purchased USB + Serial RGB Backlight Character LCD Backpack, and soldered by myself.

but i found the light keeping on, without any cursor appear/disappear, what should i do to make it works?!?

Please help!!

User avatar
Franklin97355
 
Posts: 23912
Joined: Mon Apr 21, 2008 2:33 pm

Re: Cant Communicate with USB + Serial RGB Backlight Charact

Post by Franklin97355 »

Could you post clear, detailed pictures of both sides of your board showing any soldering you have done and the connections to it? Also, what code are you running to test this?

Locked
Please be positive and constructive with your questions and comments.

Return to “Ask an Engineer! VIDEO CHAT (closed)”