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‎esphome_configs/esp32-cams.yaml

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esphome:
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name: "home-esp32-cam-room"
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friendly_name: Home ESP32 Cam – Room
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esp32:
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board: esp32dev # Generic ESP32 Dev Board
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framework:
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type: arduino
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# Enable logging
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logger:
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level: VERBOSE
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tx_buffer_size: 256
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# Enable Home Assistant API + custom service for tuning camera settings on the fly
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api:
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services:
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- service: camera_set_param
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variables:
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name: string
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value: int
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then:
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- lambda: |-
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bool state_return = false;
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if (("contrast" == name) && (value >= -2) && (value <= 2)) { id(espcam).set_contrast(value); state_return = true; }
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if (("brightness" == name) && (value >= -2) && (value <= 2)) { id(espcam).set_brightness(value); state_return = true; }
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if (("saturation" == name) && (value >= -2) && (value <= 2)) { id(espcam).set_saturation(value); state_return = true; }
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if (("special_effect" == name) && (value >= 0U) && (value <= 6U)) { id(espcam).set_special_effect((esphome::esp32_camera::ESP32SpecialEffect)value); state_return = true; }
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if (("aec_mode" == name) && (value >= 0U) && (value <= 1U)) { id(espcam).set_aec_mode((esphome::esp32_camera::ESP32GainControlMode)value); state_return = true; }
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if (("aec2" == name) && (value >= 0U) && (value <= 1U)) { id(espcam).set_aec2(value); state_return = true; }
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if (("ae_level" == name) && (value >= -2) && (value <= 2)) { id(espcam).set_ae_level(value); state_return = true; }
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if (("aec_value" == name) && (value >= 0U) && (value <= 1200U)) { id(espcam).set_aec_value(value); state_return = true; }
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if (("agc_mode" == name) && (value >= 0U) && (value <= 1U)) { id(espcam).set_agc_mode((esphome::esp32_camera::ESP32GainControlMode)value); state_return = true; }
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if (("agc_value" == name) && (value >= 0U) && (value <= 30U)) { id(espcam).set_agc_value(value); state_return = true; }
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if (("agc_gain_ceiling" == name) && (value >= 0U) && (value <= 6U)) { id(espcam).set_agc_gain_ceiling((esphome::esp32_camera::ESP32AgcGainCeiling)value); state_return = true; }
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if (("wb_mode" == name) && (value >= 0U) && (value <= 4U)) { id(espcam).set_wb_mode((esphome::esp32_camera::ESP32WhiteBalanceMode)value); state_return = true; }
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if (("test_pattern" == name) && (value >= 0U) && (value <= 1U)) { id(espcam).set_test_pattern(value); state_return = true; }
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if (true == state_return) {
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id(espcam).update_camera_parameters();
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} else {
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ESP_LOGW("esp32_camera_set_param", "Error in name or data range");
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}
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# OTA updates
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ota:
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- platform: esphome
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password: "REPLACE_WITH_PASSWORD"
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# Network settings (static IP recommended for stability)
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wifi:
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ssid: !secret wifi_ssid
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password: !secret wifi_password
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power_save_mode: none
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domain: .your-domain.local
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manual_ip:
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static_ip: 192.168.1.212
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gateway: 192.168.1.1
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subnet: 255.255.255.0
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dns1: 192.168.1.1
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dns2: 8.8.8.8
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ap:
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ssid: "ESP32-CAM-Fallback"
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password: "StrongFallbackPass"
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# Camera module configuration
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esp32_camera:
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id: espcam
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name: "Room Camera"
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external_clock:
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pin: GPIO0
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frequency: 8MHz
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i2c_pins:
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sda: GPIO26
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scl: GPIO27
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data_pins: [GPIO5, GPIO18, GPIO19, GPIO21, GPIO36, GPIO39, GPIO34, GPIO35]
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vsync_pin: GPIO25
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href_pin: GPIO23
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pixel_clock_pin: GPIO22
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power_down_pin: GPIO32
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resolution: 1024x768 # SVGA
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jpeg_quality: 30 # 10–63 (lower is better quality)
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max_framerate: 25.0fps
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idle_framerate: 0.1fps
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frame_buffer_count: 2
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vertical_flip: false
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horizontal_mirror: false
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brightness: 2
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contrast: 1
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special_effect: none
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aec_mode: auto
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aec2: false
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ae_level: 0
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aec_value: 300
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agc_mode: auto
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agc_gain_ceiling: 4x
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agc_value: 0
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wb_mode: auto
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# Lights (onboard white LED & red indicator)
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output:
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- platform: ledc
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channel: 2
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pin: GPIO4
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id: espCamLED
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- platform: gpio
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pin:
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number: GPIO33
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inverted: True
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id: gpio_33
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light:
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- platform: monochromatic
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output: espCamLED
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name: Room Cam Spotlight
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- platform: binary
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output: gpio_33
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name: Room Cam Status LED
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# Restart switch + availability sensor
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switch:
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- platform: restart
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name: Room Cam Restart
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binary_sensor:
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- platform: status
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name: Room Cam Online
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# Optional fallback access point
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captive_portal:
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# Built-in Web Server (stream & snapshot)
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esp32_camera_web_server:
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- port: 8080
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mode: stream
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- port: 8081
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mode: snapshot

‎esphome_configs/esp32-co2-temphumid.yaml

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esphome:
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name: iot-esp32-room-co2th
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friendly_name: Home CO2/T/H Sensor – Room
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name_add_mac_suffix: false
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esp32:
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board: esp32-s3-devkitc-1
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framework:
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type: arduino # Arduino framework for broad compatibility
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# Enable logging for debugging (via serial)
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logger:
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# Home Assistant API for native integration
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api:
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encryption:
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key: "REPLACE_WITH_API_ENCRYPTION_KEY"
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# Enable OTA firmware updates
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ota:
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- platform: esphome
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password: "REPLACE_WITH_OTA_PASSWORD"
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# Static IP configuration for reliability
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wifi:
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ssid: !secret wifi_ssid
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password: !secret wifi_password
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power_save_mode: none
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domain: .your-domain.local
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manual_ip:
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static_ip: 192.168.1.176
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gateway: 192.168.1.1
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subnet: 255.255.255.0
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dns1: 192.168.1.1
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dns2: 8.8.8.8
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# I²C communication bus for SCD41 sensor
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i2c:
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sda: GPIO8
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scl: GPIO9
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scan: true
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id: bus_a
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# SCD41 sensor – measures CO2, temperature, humidity
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sensor:
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- platform: scd4x
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id: scd41
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co2:
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name: "CO2 Room"
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accuracy_decimals: 0
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unit_of_measurement: "ppm"
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id: scd41co2
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temperature:
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name: "Room Temperature"
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accuracy_decimals: 1
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unit_of_measurement: "°C"
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id: scd41_temperature
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humidity:
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name: "Room Humidity"
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accuracy_decimals: 0
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unit_of_measurement: "%"
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update_interval: 15s
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# Add non-linear calibration platform
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- platform: template
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name: "Room Temperature Calibrated"
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unit_of_measurement: "°C"
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accuracy_decimals: 1
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lambda: |- # Replace values according to measurements table
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float slope = -0.31;
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float reference_temp = 24.0;
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float base_error = 2.3;
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return id(scd41_temperature).state + (slope * (id(scd41_temperature).state - reference_temp)) - base_error;
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update_interval: 15s
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# Manually set a reference CO2 value for calibration
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number:
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- platform: template
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name: "CO2 Calibration Reference"
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id: co2_calibration_value
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optimistic: true
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min_value: 400
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max_value: 2000
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step: 1
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initial_value: 400
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unit_of_measurement: "ppm"
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icon: "mdi:molecule-co2"
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# Buttons to trigger forced calibration or factory reset
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button:
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- platform: template
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name: "Calibrate CO2 Sensor"
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icon: "mdi:calibration"
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on_press:
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then:
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- lambda: |-
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id(scd41).perform_forced_calibration(id(co2_calibration_value).state);
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- logger.log:
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format: "Forced calibration with reference %d ppm"
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args: ["int(id(co2_calibration_value).state)"]
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- platform: template
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name: "CO2 Sensor Factory Reset"
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icon: "mdi:restore"
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id: factory_reset_button
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on_press:
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then:
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- scd4x.factory_reset: scd41
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- logger.log: "SCD41 sensor factory reset initiated"
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# Optional: Switch for enabling/disabling auto calibration
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switch:
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- platform: template
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name: "CO2 Auto Calibration"
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id: co2_auto_calibration
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optimistic: true
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restore_mode: RESTORE_DEFAULT_ON
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icon: "mdi:calibration"
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on_turn_on:
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- lambda: 'id(scd41).set_automatic_self_calibration(true);'
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- logger.log: "Enabled automatic self-calibration"
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on_turn_off:
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- lambda: 'id(scd41).set_automatic_self_calibration(false);'
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- logger.log: "Disabled automatic self-calibration"

‎esphome_configs/esp32-temphumid-sensor.yaml

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esphome:
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name: esp32-temphumid-sensor-room
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friendly_name: Home Temp & Humidity Sensor – Room
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esp32:
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board: esp32-s3-devkitc-1
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framework:
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type: arduino # Using Arduino framework for stability and compatibility
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# Enable verbose logging via UART
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logger:
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level: DEBUG
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baud_rate: 115200 # Default UART speed for serial logging
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# Enable API for Home Assistant integration
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api:
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encryption:
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key: "REPLACE_WITH_YOUR_API_ENCRYPTION_KEY"
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reboot_timeout: 1min # Reboot if no API connection for 1 minute
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port: 6053 # Optional, default ESPHome port
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# Enable OTA (Over-the-Air) firmware updates
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ota:
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- platform: esphome
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password: "REPLACE_WITH_YOUR_OTA_PASSWORD"
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# Wi-Fi Configuration
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wifi:
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ssid: !secret wifi_ssid # Use secrets.yaml to protect credentials
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password: !secret wifi_password
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power_save_mode: none # Better responsiveness
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fast_connect: true # Skip scanning other networks
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domain: .your-domain.local # Optional: DNS domain for discovery
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manual_ip: # Static IP setup for reliability
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static_ip: 192.168.1.175 # Replace with IP of your choice
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gateway: 192.168.1.1
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subnet: 255.255.255.0
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dns1: 192.168.1.1
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dns2: 8.8.8.8
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# Temperature and Humidity Sensor – AM2302 (a DHT22 variant)
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sensor:
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- platform: dht
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pin: GPIO4
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model: AM2302
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temperature:
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name: "Room Temperature"
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unit_of_measurement: "°C"
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accuracy_decimals: 1
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humidity:
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name: "Room Humidity"
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unit_of_measurement: "%"
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accuracy_decimals: 1
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update_interval: 10s # Refresh every 10 seconds
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# Built-in or external RGB LED for status/feedback
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light:
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- platform: neopixelbus
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pin: GPIO48
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variant: WS2812 # Popular individually addressable RGB LED
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num_leds: 1 # Single LED
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type: GRB # Color ordering format
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name: "Sensor RGB LED"
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id: esp32_led

‎ha_dashboard/dashboard-ha-co2-temp-humid-card.yaml

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# A stack-in-card used to group multiple graph cards with custom background and styling
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type: custom:stack-in-card
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card_mod:
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style: |
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ha-card {
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background-image: url('/api/image/serve/REDACTED_IMAGE_ID/512x512'); # Set custom background image
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background-size: cover;
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background-blend-mode: overlay;
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background-color: rgba(0, 0, 0, 0.6); # Semi-transparent overlay for readability
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border: 3px solid;
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border-radius: 5px;
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--ha-card-header-color: orange;
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--ha-card-header-font-size: 30px;
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min-height: 350px;
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display: flex;
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flex-direction: column;
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justify-content: space-between;
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}
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mode: vertical # Arrange child cards vertically
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cards:
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- type: heading
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icon: mdi:home-thermometer
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heading: Room Sensor
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heading_style: title
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badges:
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- type: entity
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entity: sensor.iot_esp32_room_co2th_temperature_calibrated
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show_state: true
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show_icon: true
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state_content: last_changed
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card_mod:
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style: |
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ha-card { align-items: center; }
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.title > p { color: orange; font-size: 18px; }
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.title ha-icon {
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--icon-primary-color: orange;
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animation: rotating 2s linear infinite; # Animated icon to suggest live reading
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}
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- type: sensor
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graph: line
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entity: sensor.iot_esp32_room_co2th_temperature_calibrated
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name: Temperature
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hours_to_show: 3
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detail: 2 # Detail level for the graph resolution
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- type: sensor
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graph: line
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entity: sensor.iot_esp32_room_co2th_humidity
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name: Humidity
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hours_to_show: 3
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detail: 2
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- type: sensor
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graph: line
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entity: sensor.iot_esp32_room_co2th_co2
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name: CO2
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hours_to_show: 3
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detail: 2
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view_layout:
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grid-area: d1 # Used if you're placing this card in a grid layout

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