hello, I'm new to this hobby and I wiss to do a lamp for my aquarium contoled by arduino. The problem sound like this : 5 regular led strips to be dimming depending on time. I read some web pages and I get to this result : [image] Is this ok or I got this wrong? and how do I wire a RTC DS3231 ( h…

led strips

LarryD April 1, 2014, 4:48pm 2

What are the transistors?
There are no resistors on the outputs of the Arduino.

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