########################################################################################## ########################################################################################## # BEDROOM 2 FAN SWITCH # # Controlled by a Zemismart KS-811 Triple push button # pinout/schematic https://community.home-assistant.io/t/zemismart-ks-811-working-with-esphome/ # # V1.0 - 2025-07-23 First Setup (and replacement of Tasmota) # # NOTES # - Switch for Ceiling Fan # - 3 Switches, Up, Down and Off # - Remote commands to the fan ${mqtt_remote_command_full_topic}/speed/set 1,2,3,0,+,- # ########################################################################################## ########################################################################################## ########################################################################################## # SPECIFIC DEVICE VARIABLE SUBSTITUTIONS # If NOT using a secrets file, just replace these with the passwords etc (in quotes) ########################################################################################## substitutions: # Device Naming device_name: "esp-bedrm2fanswitch" friendly_name: "Bedroom 2 Fan Wall Switch (3)" description_comment: "Switch for Bedroom 2 Ceiling Fan using Zemismart KS-811 Triple Push Button. Speed Up (1), Speed Down (2), Fan Off (3)" device_area: "Bedroom 2" # Allows ESP device to be automatically linked to an 'Area' in Home Assistant. # Project Naming project_name: "Zemismart Technologies.KS-811-3 (Triple)" # Project Details project_version: "v1" # Project V denotes release of yaml file, allowing checking of deployed vs latest version entity_prefix: "Main Bathroom" # Simple device name where we want to prefix a sensor or switch, eg "Load" Current. # Passwords api_key: !secret esp-api_key # unfortunately you can't use substitutions inside secrets names ota_pass: !secret esp-ota_pass # unfortunately you can't use substitutions inside secrets names static_ip_address: !secret esp-bedrm2fanswitch_ip mqtt_command_main_topic: !secret mqtt_command_main_topic mqtt_status_main_topic: !secret mqtt_status_main_topic # Device Settings #relay_icon: "mdi:heating-coil" log_level: "INFO" # Define logging level: NONE, ERROR, WARN, INFO, DEBUG (Default), VERBOSE, VERY_VERBOSE update_interval: "60s" # update time for for general sensors etc # MQTT LOCAL Controls #mqtt_device_name: "bedroom2-ceilingfan-switch" #mqtt_local_command_topic: "${mqtt_local_command_main_topic}/${mqtt_device_name}" # Topic we will use to command this locally without HA #mqtt_local_status_topic: "${mqtt_local_status_main_topic}/${mqtt_device_name}" # Topic we will use to view status locally without HA # MQTT REMOTE Controls mqtt_remote_device_name: "bedroom2-ceilingfan" mqtt_remote_device_command_topic: "${mqtt_command_main_topic}/${mqtt_remote_device_name}/speed/set" mqtt_remote_device_command1: "+" mqtt_remote_device_command2: "-" mqtt_remote_device_command3: "0" mqtt_local_status_topic: "${mqtt_status_main_topic}/${mqtt_remote_device_name}/speed/state" # Topic we will use to view status locally without HA # Button Naming & Icons # Switch/Relay Naming & Icons #relay_icon: "mdi:heating-coil" switch_1_name: "Fan Speed Up" # This is virtual only, no power connected to 1st relay switch_2_name: "Fan Speed Down" # This is virtual only, no power connected to 2nd relay switch_3_name: "Fan Off" # This is virtual only, no power connected to 3rd relay ########################################################################################## # PACKAGES: Included Common Packages # https://esphome.io/components/packages.html ########################################################################################## packages: common_wifi: !include file: common/network_common.yaml vars: local_device_name: "${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: "${project_version}" platformio_options: build_flags: - "-Os" # optimize for size - "-Wl,--gc-sections" # drop unused code/data - "-fno-exceptions" # strip C++ exceptions - "-fno-rtti" # strip C++ RTTI # on_boot: # priority: 200 # then: # - switch.turn_on: Relay_3 ########################################################################################## # ESP Platform and Framework # https://esphome.io/components/esp32.html ########################################################################################## esp8266: board: esp01_1m early_pin_init: False # Initialise pins early to known values. Recommended false where switches are involved. Defaults to True. board_flash_mode: dout # Default is dout ########################################################################################## # ESPHome Logging Enable # https://esphome.io/components/logger.html ########################################################################################## logger: level: "${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 for KS-811 is GPIO02 ########################################################################################## status_led: pin: number: GPIO02 inverted: yes ########################################################################################## # BINARY SENSORS # https://esphome.io/components/binary_sensor/ ########################################################################################## # Buttons for KS-811-3 are GPIO16, GPIO05, GPIO04 ########################################################################################## binary_sensor: - platform: gpio pin: number: GPIO16 mode: INPUT inverted: True name: "Button 1: ${switch_1_name}" on_press: - mqtt.publish: topic: "${mqtt_remote_device_command_topic}" payload: "${mqtt_remote_device_command1}" - platform: gpio pin: number: GPIO05 mode: INPUT inverted: True name: "Button 2: ${switch_2_name}" on_press: - mqtt.publish: topic: "${mqtt_remote_device_command_topic}" payload: "${mqtt_remote_device_command2}" - platform: gpio pin: number: GPIO4 mode: INPUT inverted: True name: "Button 3: ${switch_3_name}" on_press: - mqtt.publish: topic: "${mqtt_remote_device_command_topic}" payload: "${mqtt_remote_device_command3}" ########################################################################################## # SWITCH COMPONENT # https://esphome.io/components/switch/ ########################################################################################## # Relays for KS-811-3 are GPIO13, GPIO12, GPIO14 ########################################################################################## switch: - platform: gpio name: "Relay 1: ${switch_1_name}" pin: GPIO13 id: Relay_1 - platform: gpio name: "Relay 2: ${switch_2_name}" pin: GPIO12 id: Relay_2 - platform: gpio name: "Relay 3: ${switch_3_name}" pin: GPIO14 id: Relay_3 mqtt: on_message: - topic: "${mqtt_local_status_topic}" then: - lambda: |- int val = atoi(x.c_str()); ESP_LOGI("fan_switch", "Received requested speed: %d", val); // Desired states bool r1 = false; bool r2 = false; bool r3 = false; switch (val) { case 1: r3 = true; break; case 2: r2 = true; r3 = true; break; case 3: r1 = true; r2 = true; r3 = true; break; case 0: default: // all remain false break; } // Only change relays if necessary if (id(Relay_1).state != r1) { if (r1) { id(Relay_1).turn_on(); } else { id(Relay_1).turn_off(); } } if (id(Relay_2).state != r2) { if (r2) { id(Relay_2).turn_on(); } else { id(Relay_2).turn_off(); } } if (id(Relay_3).state != r3) { if (r3) { id(Relay_3).turn_on(); } else { id(Relay_3).turn_off(); } }