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Results tagged with rgb-led
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user 20245
RGB (Red, Blue and Green) LED (Light Emitting Diode).
0
votes
Accepted
Using an Arduino to drive a digital RGB LED strip
I can not find detailed information regarding the 5M LED strips you bought.
I have used Adafruit addressable LED strips. What Adafruit publishes on their web site helped a great deal when I cut my s …
- 7,470
1
vote
Accepted
wrong leds lit in matrix display - wrong coding?
Initialize your arrays like this:
int a[3][4] = {
{0, 1, 2, 3} , /* initializers for row indexed by 0 */
{4, 5, 6, 7} , /* initializers for row indexed by 1 */
{8, 9, 10, 11} /* i …
- 7,470
1
vote
Wearable GPS LED help
Three comments:
For someone who is new to Arduino and programming (or perhaps just new
to C / C++), you have taken on a large challenge.
It should be widely said (but it is not) that not all Arduin …
- 7,470
1
vote
Problems With Fading Through Neopixel Colors
There appears to be a number of problems with this code.
The variables only have scope with in this function and are not static. So they will not survive from call to call. Every time you call this …
- 7,470
1
vote
Arduino Dim RGB LED
To control the brightness of an LED with a POT read the pot position using the ADC, convert the range of values from 0 - 1024 to 0 - 255 then write that to the PWM controlling the LED.
This segment o …
- 7,470
3
votes
for() loop doesn't seem to break?
Consider the sequence of values of "fadeIn". It starts at 8 and in incremented by 16. So: 8, 24, ... 248, 264, ... . It is never exactly 255. So you never break out of your "for" loop.
There is on …
- 7,470
0
votes
Controlling UCS2904 LED flood with Neopixel library
Assuming the UCS2904B VDD is 12 volts, this document appears to define logic high as 0.6 x VDD.
So for 12 volts VDD logic high would be 7.2 volts. Processors used in most Arduino designs produce eith …
- 7,470
0
votes
7-Segment Display with WS2312B and FastLED
In general, in many engineering efforts, a definition of the feature(s) and constraints need to be considered. The feature you are creating is a large-7-segment-display. Now decide what constraints …
- 7,470
1
vote
Individual control of multiple RGB leds
Here is a 1/2 software 1/2 hardware solution:
You actually have 6 pwm pins (from the silk screen notation in your picture). So you can control 2 RGB LEDs independently. If you added 4 more transist …
- 7,470