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zorruno-homeassistant/esphome/esp-4chdmxdimmer1 copy.yaml.bak
T
root 6c6313b31a experiments in AC dimming (DMX 4 Chan)
2025-09-06 21:16:56 +12:00

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##########################################################################################
##########################################################################################
# 4 Channel DMX Mains Dimmer
# This is using an esp8366 (D1 Mini) sensing DMX512 Serial to a 2 channel
# mains lighting contoller (1.2A/Channel)
#
# Contoller: https://www.aliexpress.com/item/32838426377.html
# RS-485 TTL converter: https://www.aliexpress.com/item/1005005737922222.html
#
# V1.0 2025-09-06 First Rev (only tested one module, 2 channels at this stage, and incandescent)
##########################################################################################
#
# NOTES
# - Trialling with an incandescent bulb, 10% writes 26. Max value is 255 so this is 10%
# - With an incandescent, I can't see any light output below about 15%
# - Using GPIO2 as the UART TX on an ESP8266 is handy, as the onboard LED flashes with TX
# - The dimmer needs to be set to DMX mode, and given an ID of 1-999 (not standalone or dynamic)
# - there is no reason you can't run many dimmers off one ESP (limit may be in data speed lags?)
# - The dimmer is pretty smooth, and it remembers values even if no data being transmitted.
#
# System Settings on Dimmer: (onboard buttons M and < held for 2 secs)
# - Set "1 Channel" (d-1) and both channels will output the same levels. Or "2 Channel" (d-2)
# - Set reverse phase dimming/trailing edge (C-R) or Forward/Leading Edge (C-F)
# - Set minimum brightness on the dimmer, from b01-b40. Min is then 5% if b01
# - Set the 3x 8 Segment display to automatically turn off (Bon/BoF) after a period
# - pull both DE & RE high on the 485 converter to ensure data enabled (or wire to enable_pin)
#
# Other useful references
# - Arduino DMX Controller https://www.youtube.com/watch?v=4PjBBBQB2m4
# - ESP32 DMX Contoller with ESPixelstick (errors in his wiring diagram)
# https://www.youtube.com/watch?v=GWZ63vsKzT8
# - ESPHome DMX512 Custom component used here: https://github.com/andyboeh/esphome-dmx512
# Includes good examples if you are expanding
##########################################################################################
##########################################################################################
##########################################################################################
# SPECIFIC DEVICE VARIABLE SUBSTITUTIONS
# If NOT using a secrets file, just replace these with the passwords etc (in quotes)
##########################################################################################
substitutions:
# Device Naming
device_name: "esp-4chdmxdimmer1"
friendly_name: "4 Channel DMX Dimmer 1"
description_comment: "4 Channel Mains Lighting Dimmer using DMX512 protocol"
device_area: "Lounge" # Allows ESP device to be automatically linked to an 'Area' in Home Assistant.
# Project Naming
project_name: "Generic ESP8266.D1 Mini" # Project Details
project_version: "v1.0" # Project V denotes release of yaml file, allowing checking of deployed vs latest version
# Passwords & Secrets
api_key: !secret esp-api_key # unfortunately you can't use substitutions inside secrets names
ota_pass: !secret esp-ota_pass # unfortunately you can't use substitutions inside secrets names
static_ip_address: !secret esp-4chdmxdimmer1_ip
# Device Settings
#relay_icon: "mdi:lightbulb-group"
log_level: "DEBUG" # Define logging level: NONE, ERROR, WARN, INFO, DEBUG (Default), VERBOSE, VERY_VERBOSE
update_interval: "60s" # update time for for general sensors etc
#########################################################################################
# PACKAGES: Included Common Packages
# https://esphome.io/components/packages.html
##########################################################################################
# Comment some of these out where not needed, eg MQTT, Web portal, SNTP, General Sensors
##########################################################################################
packages:
common_wifi: !include
file: common/network_common.yaml
vars:
local_device_name: "${device_name}"
local_static_ip_address: "${static_ip_address}"
local_ota_pass: "${ota_pass}"
common_api: !include
file: common/api_common.yaml
vars:
local_api_key: "${api_key}"
#common_webportal: !include
# file: common/webportal_common.yaml
common_mqtt: !include
file: common/mqtt_common.yaml
vars:
local_device_name: "${device_name}"
common_sntp: !include
file: common/sntp_common.yaml
common_general_sensors: !include
file: common/sensors_common.yaml
vars:
local_friendly_name: "${friendly_name}"
local_update_interval: "${update_interval}"
#########################################################################################
# ESPHome
# https://esphome.io/components/esphome.html
#########################################################################################
esphome:
name: "${device_name}"
friendly_name: "${friendly_name}"
comment: "${description_comment}" # Appears on the esphome page in HA
area: "${device_area}"
project:
name: "${project_name}"
version: "${project_version}"
#########################################################################################
# ESP Platform and Framework
# https://esphome.io/components/esp32.html
#########################################################################################
esp8266:
board: esp01_1m
#early_pin_init: False # Initialise pins early to known values. Recommended false where switches are involved. Defaults to True.
board_flash_mode: dout # Default is dout
restore_from_flash: true # restore some values on reboot
mdns:
disabled: false # Disabling will make the build file smaller (and it is still available via static IP)
preferences:
flash_write_interval: 0s
#########################################################################################
# ESPHome Logging Enable
# https://esphome.io/components/logger.html
#############################################
logger:
level: "${log_level}" #INFO Level suggested, or DEBUG for testing
baud_rate: 0 #set to 0 for no logging via UART, needed if you are using it for other serial things (eg PZEM)
#esp8266_store_log_strings_in_flash: false
#tx_buffer_size: 64
#########################################################################################
# STATUS LED
# https://esphome.io/components/status_led.html
#########################################################################################
#status_led:
# pin:
# number: GPIO2
# inverted: yes
#########################################################################################
# UART COMPONENT
# https://esphome.io/components/uart/
#########################################################################################
uart:
# Needed for the DMX component.
# This UART talks to the RS485 adaptor
# There is no receiving, it is a one way send
id: uart_bus
baud_rate: 250000
tx_pin:
number: GPIO2 #ESP8266
allow_other_uses: true # For ESPHome >= 2023.12.0
stop_bits: 2
##########################################################################################
# LIGHT COMPONENT
# https://esphome.io/components/light/
##########################################################################################
light:
- platform: monochromatic
name: "Test Lights Chan 1"
output: dmx_1
id: light_test_1
default_transition_length: 5s
gamma_correct: 1
restore_mode: RESTORE_DEFAULT_ON
- platform: monochromatic
name: "Test Lights Chan 2"
output: dmx_2
id: light_test_2
default_transition_length: 5s
gamma_correct: 1
restore_mode: RESTORE_DEFAULT_ON
- platform: monochromatic
name: "Test Lights Chan 3"
output: dmx_3
id: light_test_3
default_transition_length: 5s
gamma_correct: 1
restore_mode: RESTORE_DEFAULT_ON
- platform: monochromatic
name: "Test Lights Chan 4"
output: dmx_4
id: light_test_4
default_transition_length: 5s
gamma_correct: 1
restore_mode: RESTORE_DEFAULT_ON
##########################################################################################
# SENSOR COMPONENT
# https://esphome.io/components/sensor/
##########################################################################################
##########################################################################################
# CUSTOM COMPONENT DMX512
# https://github.com/andyboeh/esphome-dmx512
##########################################################################################
external_components:
- source: github://andyboeh/esphome-dmx512
dmx512:
id: dmx
uart_id: uart_bus
#enable_pin: GPIOXX (Optional, I've wire them to be always active)
tx_pin:
number: GPIO2
allow_other_uses: true # For ESPHome >= 2023.12.0
uart_num: 1
##########################################################################################
# OUTPUT COMPONENT
# https://esphome.io/components/output/ledc.html
##########################################################################################
output:
- platform: dmx512
channel: 1 # The ID we set the device to
universe: dmx # The ID of the DMX512 Component
id: dmx_1
- platform: dmx512
channel: 2 # The ID we set the device to
universe: dmx # The ID of the DMX512 Component
id: dmx_2
- platform: dmx512
channel: 3 # The ID we set the device to
universe: dmx # The ID of the DMX512 Component
id: dmx_3
- platform: dmx512
channel: 4 # The ID we set the device to
universe: dmx # The ID of the DMX512 Component
id: dmx_4
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