I´ve made my first own light effect for ESPHome, which just from almost off (to prevent showing a false-positive off state in HA) to full brightness and back to almost off and then cycles to the next color.
How-To: Simply add the code in effect.txt to your effects section of the light in your esphome configuration file of your node.
I know its not the most clean code, but i´m open for tipps and improvements
Sweet, there was a post about custom lighting effects on here, where they were looking to a list of extra ones.
How easy was it to work out this effect ?
@cooljimy84 Tbh, it wasnt that hard. Firstly i started with just breathing without a color cycle. After a few tries, it was breathing smoothly, then i had a few failed attemps to do the color cycle, but after adopting the style of the breathe, it worked flawlessly.
The example for a basic lambda effect from the esphome wiki was really helpful.
My usecase is to light up my RGB PC fan´s in style. Actually, HAss is a GUI for my RGB stuff for my gaming station (just look at that propretary stuff, espacially the “gaming” brands. once you got one brand, your´e stuck with them like forever, also im having fun building things), but im trying to add more uses for it like controlling the lights in my room remotely. A temperature sensor is already implemented, but i need to figure out, what i can automate/“do” with it, since im not most creative person around. Also im just living in a “small” room in a shared apartment.
Can you share a video?
I will, once i completed the driver for my rgb pc fans, for which i planned this animation.
Trying to use this now,
Way too much space in the script. How can I add this to the yaml without going though, line by line and changing the spacing?
Also if I wanted only red, how could I do that?
Thanks 
Just went quick over the code, the spacing is needed i think.
For just red: Easy solution is set every #define Colorx to your prefered red value, like 1.0 , 0, 0, 1.0 beeing the max value. The most effiecent solution would be getting rid of the cases 2 to 12, removing the switch loop and removing the color loop. I would type that normally, but im about to go to bed.
Hey mate,
Thanks for that
I must be doing it wrong then, I cant upload it 
If you get a sec to have a look, would appreciate it
INFO Reading configuration /config/esphome/living_room_led_strip.yaml...
ERROR Error while reading config: Invalid YAML syntax:
mapping values are not allowed here
in "/config/esphome/living_room_led_strip.yaml", line 44, column 17:
- lambda:
^
This is what I got;
I also ended up doing a kinda hybrid solution, removed all but two and then made the colours the same.
ota:
light:
- platform: rgbw
name: ${friendly_name}
red: pwm_r
green: pwm_g
blue: pwm_b
white: pwm_w
- lambda:
name: Breathing
update_interval: 16s
lambda: |-
static int state = 0;
static int color = 1;
auto call = id(id).turn_on(); //the id of your light
call.set_transition_length(15000);
if (state == 0)
{
call.set_brightness(1.0);
}
else if (state == 1)
{
call.set_brightness(0.01);
}
call.perform();
state ++;
if (state == 2){
state = 0;
}
- lambda:
name: RGB Breathing
update_interval: 16s //Finetune to your liking with the transition lenght below
lambda: |-
#define Color1 0.8, 0.0, 0.4 //These are the colors defined, feel free to change or extend the list
#define Color2 0.8, 0.0, 0.4 //if you extend the list, dont forget to add them in the switch loop below
static int state = 0;
static int color = 1;
auto call = id(ID).turn_on(); //put the id for your light in here
call.set_transition_length(15000);
if (state == 0)
{
call.set_brightness(0.01);
}
else if (state == 1)
{
switch(color)
{
case 1: call.set_rgb(Color1);
break;
case 2: call.set_rgb(Color2);
break;
}
call.set_brightness(1.0);
}
state ++;
if (state == 2){
state = 0;
}
color++;
if(color == 7)
{
color = 1;
}
call.perform();
output:
- platform: esp8266_pwm
pin: GPIO12
frequency: 1000 Hz
id: pwm_r
- platform: esp8266_pwm
pin: GPIO5
frequency: 1000 Hz
id: pwm_g
- platform: esp8266_pwm
pin: GPIO13
frequency: 1000 Hz
id: pwm_b
- platform: esp8266_pwm
pin: GPIO15
frequency: 1000 Hz
id: pwm_w
Hey mate,
Thanks for that
I must be doing it wrong then, I cant upload it
If you get a sec to have a look, would appreciate it
I dont have the ID set right, But I have no idea where to put that in this context.
the lambda effects go in the effects list like this (taken from my pc node):
- platform: rgb
name: "Frontfans"
id: "frontfan"
red: outputTestRed
green: outputTestGreen
blue: outputTestBlue
default_transition_length: 0.5s
effects:
- lambda:
name: RGB Breathing
update_interval: 16s #Finetune to your liking with the transition lenght below
lambda: |-
#define Color1 1.0, 0.0, 0.0 //These are the colors defined, feel free to change or extend the list
#define Color2 1.0, 0.5, 0.0 //if you extend the list, dont forget to add them in the switch loop below
#define Color3 1.0, 1.0, 0.0 //and remember to adjust the reset counter at the bottom
#define Color4 0.5, 1.0, 0.0
#define Color5 0.0, 1.0, 0.0
#define Color6 0.0, 1.0, 0.5
#define Color7 0.0, 1.0, 1.0
#define Color8 0.0, 0.5, 1.0
#define Color9 0.0, 0.0, 1.0
#define Color10 0.5, 0.0, 1.0
#define Color11 0.5, 0.0, 1.0
#define Color12 1.0, 0.0, 0.5
static int state = 0;
static int color = 1;
auto call = id(frontfan).turn_on(); //put the id for your light in here
call.set_transition_length(15000);
if (state == 0)
{
call.set_brightness(0.01);
}
else if (state == 1)
{
switch(color)
{
case 1: call.set_rgb(Color1);
break;
case 2: call.set_rgb(Color2);
break;
case 3: call.set_rgb(Color3);
break;
case 4: call.set_rgb(Color4);
break;
case 5: call.set_rgb(Color5);
break;
case 6: call.set_rgb(Color6);
break;
case 7: call.set_rgb(Color7);
break;
case 8: call.set_rgb(Color8);
break;
case 9: call.set_rgb(Color9);
break;
case 10: call.set_rgb(Color10);
break;
case 11: call.set_rgb(Color11);
break;
case 12: call.set_rgb(Color12);
break;
}
call.set_brightness(1.0);
}
state ++;
if (state == 2){
state = 0;
}
color++;
if(color == 7)
{
color = 1;
}
call.perform();
for just breathing red, you take this code:
effects:
- lambda:
name: Breathing Red
update_interval: 16s #Finetune to your liking with the transition lenght below
lambda: |-
#define Color1 1.0, 0.0, 0.0 //These are the colors defined, feel free to change or extend the list
//if you extend the list, dont forget to add them in the switch loop below
//and remember to adjust the reset counter at the bottom
static int state = 0;
static int color = 1;
auto call = id(frontfan).turn_on(); //put the id for your light in here
call.set_transition_length(15000);
if (state == 0)
{
call.set_brightness(0.01);
}
else if (state == 1)
{
call.set_rgb(Color1);
call.set_brightness(1.0);
}
state ++;
if (state == 2){
state = 0;
}
call.perform();
Thanks so much for taking the time to write that up
The thing I was missing was the id: got an answer to that on another post
need something like;
name: ${friendly_name}
id: livingroom_strip
red: pwm_r
green: pwm_g
blue: pwm_b
white: pwm_w
effects:
- lambda:
Then reference the id: in the script
Thanks again for that!!
This is great, thanks for sharing!! I’ve added it to a new RGBW strip controlled with an H801 and it works really nicely.
Im back trying to add a variation of this for some christmas light. But its stuck on green and wont go to red.
What do I have wrong here?
Thanks
- lambda:
name: Christmas
update_interval: 16s #Finetune to your liking with the transition lenght below
lambda: |-
#define Color1 0.0, 1.0, 0.0 //These are the colors defined, feel free to change or extend the list
#define Color2 1.0, 0.0, 0.0 //if you extend the list, dont forget to add them in the switch loop below
//and remember to adjust the reset counter at the bottom
static int state = 0;
static int color = 1;
auto call = id(printer_lamp).turn_on(); //put the id for your light in here
call.set_white(0.0);
call.set_transition_length(15000);
if (state == 0)
{
call.set_brightness(0.01);
}
else if (state == 1)
{
switch(color)
{
case 1: call.set_rgb(Color1);
break;
case 2: call.set_rgb(Color2);
break;
}
call.set_brightness(1.0);
}
state ++;
if (state == 2){
state = 0;
}
color++;
if(color == 2)
{
color = 1;
}
call.perform();
Sorry for late replay, but I think you have to reset color at 3, not 2.
Hey thanks for that.
I ended up getting it working with this
Might help someone
name: Christmas
update_interval: 16s #Finetune to your liking with the transition lenght below
lambda: |-
typedef struct { uint32_t transition_length; float brightness; float R,G,B; } stage_t;
const stage_t Stages[] = {
// Transition, Brightness, R, G, B
{ 15000, 0.01, 1.0, 0.0, 0.0 },
{ 15000, 1.0, 1.0, 0.0, 0.0 },
{ 15000, 0.01, 0.0, 1.0, 0.0 },
{ 15000, 1.0, 0.0, 1.0, 0.0 }
};
const int StageCount = sizeof(Stages)/sizeof(Stages[0]);
static int stage = 0;
auto call = id(printer_lamp).turn_on(); //put the id for your light in here
call.set_transition_length(Stages[stage].transition_length);
call.set_brightness(Stages[stage].brightness);
call.set_rgb(Stages[stage].R, Stages[stage].G, Stages[stage].B);
call.perform();
if (++stage >= StageCount) stage = 0;