From c658792f5db5cd346ea28f593c4ba2a76bfccbf5 Mon Sep 17 00:00:00 2001
From: ESPHome Device Builder <device-builder@esphome.io>
Date: Sun, 19 Jul 2026 20:47:52 +1200
Subject: [PATCH] Edit esp-bedside-panel.yaml

---
 esphome/esp-bedside-panel.yaml | 57 ++++++++++++++++++++++++++++++++--
 1 file changed, 55 insertions(+), 2 deletions(-)

diff --git a/esphome/esp-bedside-panel.yaml b/esphome/esp-bedside-panel.yaml
index bd883b4..c165211 100644
--- a/esphome/esp-bedside-panel.yaml
+++ b/esphome/esp-bedside-panel.yaml
@@ -6,6 +6,7 @@
 # https://home.fox.co.nz/gitea/zorruno/zorruno-homeassistant/src/branch/master/esphome/esp-bedside-panel.yaml
 #:########################################################################################:#
 # VERSIONS:
+# V1.31 2026-07-19 Added TEMT6000 ambient-light voltage and illuminance sensors
 # V1.30 2026-07-18 Made Downstairs Guests red when occupied and removed duplicate OTA config
 # V1.29 2026-07-18 Perfected Atto charging alignment and expanded Security states
 # V1.28 2026-07-18 Restyled Atto Charging as top-row data with active red background
@@ -89,6 +90,7 @@
 # - Touch I2C address: 0x5D
 # - Battery-backed RTC: RX8130
 # - RTC I2C address: 0x32
+# - TEMT6000 ambient-light sensor signal: GPIO20 / ADC1
 #:########################################################################################:#
 # OPERATION NOTES:
 # - This build returns to the proven V0.8a structure.
@@ -113,6 +115,8 @@
 # - The Climate page contains heat-pump, ceiling-fan, air-filter and Night Power controls.
 # - Sleep: 2 hrs starts a local 120-minute countdown and turns the heat pump off.
 # - Pressing the active Sleep button again cancels the countdown.
+# - TEMT6000 voltage and approximate lux are exposed for initial calibration.
+# - Automatic backlight adjustment is not enabled in this revision.
 #:########################################################################################:#
 # OFFLINE NOTES:
 # - LVGL, the clock, touch and backlight operate locally.
@@ -131,12 +135,12 @@ substitutions:
   # Device Naming
   device_name: "esp-bedside-panel"
   friendly_name: "ESP Bedside Panel"
-  description_comment: "Guition JC1060P470C_I_W_Y ESP32-P4 bedside control panel. Red occupied guest state, green-bordered inactive state and OTA configuration cleanup. (Layout V1.1)"
+  description_comment: "Guition JC1060P470C_I_W_Y ESP32-P4 bedside control panel. TEMT6000 ambient-light sensing added for calibration and future automatic backlight control. (Layout V1.1)"
   device_area: "Bedroom"
 
   # Project Naming
   project_name: "Guition.JC1060P470C_I_W_Y"
-  project_version: "v1.30"
+  project_version: "v1.31"
 
   # Passwords & Secrets
   api_key: !secret esp-api_key
@@ -151,6 +155,11 @@ substitutions:
   backlight_pin: "GPIO23"
   backlight_frequency: "1220Hz"
 
+  # Ambient Light Sensor Settings
+  # TEMT6000: VCC=3V3, GND=GND, SIG/OUT=GPIO20.
+  ambient_light_pin: "GPIO20"
+  ambient_light_update_interval: "1s"
+
   # Touchscreen Settings
   touch_sda_pin: "GPIO7"
   touch_scl_pin: "GPIO8"
@@ -699,6 +708,50 @@ sensor:
     id: wifi_signal_sensor
     update_interval: "${update_interval}"
 
+  #:######################################################################################:#
+  # TEMT6000 AMBIENT LIGHT SENSOR
+  #:######################################################################################:#
+  #
+  # The ADC sensor exposes the measured SIG/OUT voltage for calibration.
+  # The illuminance sensor uses the standard TEMT6000 breakout approximation:
+  #
+  #   lux = voltage x 200
+  #
+  # Automatic display-brightness control is intentionally not enabled yet.
+  # First record representative readings in darkness and normal room lighting.
+
+  - platform: adc
+    id: ambient_light_voltage
+    name: "${friendly_name} Ambient Light Voltage"
+    pin: "${ambient_light_pin}"
+    attenuation: auto
+    update_interval: "${ambient_light_update_interval}"
+    accuracy_decimals: 3
+    icon: mdi:sine-wave
+    filters:
+      - median:
+          window_size: 7
+          send_every: 3
+          send_first_at: 1
+
+  - platform: template
+    id: ambient_light_illuminance
+    name: "${friendly_name} Ambient Light"
+    device_class: illuminance
+    state_class: measurement
+    unit_of_measurement: "lx"
+    accuracy_decimals: 0
+    icon: mdi:brightness-6
+    update_interval: 3s
+    lambda: |-
+      const float voltage = id(ambient_light_voltage).state;
+
+      if (isnan(voltage)) {
+        return NAN;
+      }
+
+      return voltage * 200.0f;
+
   - platform: homeassistant
     id: moon_phase
     entity_id: "${moon_phase_entity}"