So I got these “Playbulb Candles” for free, they have been sitting on my desk and I had no idea wtf I was going to do with them or use them for,
Turns out, they make really handy LED status indicators to indicate the status of entities and internet connection,
Now WiFi instead of bluetooth.
Simple single WS2812 LED and esp8266.
Great idea. It would be nice if you also included your esphome config.
Nice hack!
I just control and regularly poll the battery status of my Playbulb Candles, as they came, via Bluetooth, and appreciate their portability with rechargeable batteries inside 
Sure, current config to date.
wifi:
networks:
- ssid: !secret wifi_ssid
password: !secret wifi_password
bssid:redacted
fast_connect: true
on_connect:
- light.turn_on:
id: led
brightness: 100%
red: 0%
green: 100%
blue: 0%
effect: none
on_disconnect:
- light.control:
id: led
state: on
effect: ERROR
captive_portal:
light:
- platform: fastled_clockless
id: led
name: "LED"
pin: 23
chipset: WS2812
num_leds: 1
rgb_order: GRB
# restore_mode: ALWAYS_OFF
effects:
# Use default parameters:
- random:
# Customize parameters
- random:
name: "My Slow Random Effect"
transition_length: 30s
update_interval: 30s
- random:
name: "My Fast Random Effect"
transition_length: 4s
update_interval: 5s
- random:
name: Random Effect With Custom Values
transition_length: 5s
update_interval: 7s
- pulse:
name: "Fast Pulse"
transition_length: 0.5s
update_interval: 0.5s
min_brightness: 0%
max_brightness: 100%
- pulse:
name: "Slow Pulse"
# transition_length: 1s # defaults to 1s
update_interval: 2s
- strobe:
name: Strobe Effect With Custom Values
colors:
- state: true
brightness: 100%
red: 100%
green: 90%
blue: 0%
duration: 500ms
- state: false
duration: 250ms
- state: true
brightness: 100%
red: 0%
green: 100%
blue: 0%
duration: 500ms
- flicker:
name: Flicker Effect With Custom Values
alpha: 95%
intensity: 1.5%
- addressable_rainbow:
name: Rainbow Effect With Custom Values
speed: 10
width: 50
- addressable_color_wipe:
name: Color Wipe Effect With Custom Values
colors:
- red: 100%
green: 100%
blue: 100%
num_leds: 1
- red: 0%
green: 0%
blue: 0%
num_leds: 1
add_led_interval: 100ms
reverse: false
- addressable_scan:
name: Scan Effect With Custom Values
move_interval: 100ms
scan_width: 1
- addressable_twinkle:
name: Twinkle Effect With Custom Values
twinkle_probability: 5%
progress_interval: 4ms
- addressable_random_twinkle:
name: Random Twinkle Effect With Custom Values
twinkle_probability: 5%
progress_interval: 32ms
- addressable_fireworks:
name: Fireworks Effect With Custom Values
update_interval: 32ms
spark_probability: 10%
use_random_color: false
fade_out_rate: 120
- addressable_lambda:
name: "Wipe In"
update_interval: 50ms
lambda: |-
static int x = 40;
static int y = 0;
if (initial_run) {
x = 40;
y = 0;
it.all() = ESPColor::BLACK;
}
if (x < it.size(), (y < it.size())) {
it[x, y] = current_color;
y += 1;
x += 1;
}
- addressable_lambda:
name: "Expo Light"
update_interval: 16ms
lambda: |-
static int x = -400;
float y = 0.35+0.65*exp(-pow(x, 2)/49000);
int8_t r = ceil(current_color.r * y);
int8_t g = ceil(current_color.g * y);
int8_t b = ceil(current_color.b * y);
it.all() = ESPColor(r,g,b);
x += 1;
if (x == 400)
x = -400;
- addressable_lambda:
name: "Wipe Out"
update_interval: 12ms
lambda: |-
static int x = 0;
if (initial_run) {
x = it.size();
}
if (x > 0) {
x -= 1;
it[x] = ESPColor::BLACK;
}
- lambda:
name: "ERROR"
update_interval: 1s
lambda: |-
static bool state = false;
auto call = id(led).turn_on();
call.set_transition_length(500);
call.set_rgb(1, 0, 0);
if (!state) {
call.set_brightness(1);
} else {
// If using 0, it freaks Home Assistant UI.
call.set_brightness(0.01);
}
call.perform();
state = !state;
- lambda:
name: "BOOT"
update_interval: 1s
lambda: |-
static bool state = false;
auto call = id(led).turn_on();
call.set_transition_length(500);
call.set_rgb(0, 1, 0);
if (!state) {
call.set_brightness(1);
} else {
// If using 0, it freaks Home Assistant UI.
call.set_brightness(0.01);
}
call.perform();
state = !state;