From 763c802acf2f0c057c96d7d8faa4158766ef6082 Mon Sep 17 00:00:00 2001
From: Bram <info@bramkelchtermans.be>
Date: Thu, 20 Nov 2025 18:49:57 +0100
Subject: [PATCH] complete bedscale ui

---
 ESPhome/bed-scale/bed_scale.yaml | 151 +++++++++++++++++++++++++++----
 1 file changed, 135 insertions(+), 16 deletions(-)

diff --git a/ESPhome/bed-scale/bed_scale.yaml b/ESPhome/bed-scale/bed_scale.yaml
index 83017de..6b95e4e 100644
--- a/ESPhome/bed-scale/bed_scale.yaml
+++ b/ESPhome/bed-scale/bed_scale.yaml
@@ -34,30 +34,142 @@ wifi:
 
 captive_portal:
 
-# sensor:
-#   - platform: hx711
-#     name: "HX711 Value"
-#     dout_pin: D4
-#     clk_pin: D3
-#     gain: 128
-#     update_interval: 3s
+# Web server for calibration UI
+web_server:
+  port: 80
+  include_internal: true
 
+# Global variables for calibration
 globals:
   - id: constant_weight
     type: float
+    initial_value: "0.0"
+  - id: use_calibrated
+    type: bool
+    initial_value: "false"
+  - id: cal_raw1
+    type: float
+    initial_value: "2290200.0"
+  - id: cal_value1
+    type: float
+    initial_value: "0.0"
+  - id: cal_raw2
+    type: float
+    initial_value: "2856500.0"
+  - id: cal_value2
+    type: float
+    initial_value: "50.0"
+
+# Number inputs for calibration values
+number:
+  - platform: template
+    name: "Calibration Raw Value 1"
+    id: cal_raw1_input
+    min_value: 0
+    max_value: 10000000
+    step: 1
+    mode: box
+    optimistic: true
+    initial_value: 2290200
+    on_value:
+      - lambda: |-
+          id(cal_raw1) = x;
+
+  - platform: template
+    name: "Calibration Calibrated Value 1"
+    id: cal_value1_input
+    min_value: -1000
+    max_value: 1000
+    step: 0.1
+    mode: box
+    optimistic: true
+    initial_value: 0
+    on_value:
+      - lambda: |-
+          id(cal_value1) = x;
+
+  - platform: template
+    name: "Calibration Raw Value 2"
+    id: cal_raw2_input
+    min_value: 0
+    max_value: 10000000
+    step: 1
+    mode: box
+    optimistic: true
+    initial_value: 2856500
+    on_value:
+      - lambda: |-
+          id(cal_raw2) = x;
+
+  - platform: template
+    name: "Calibration Calibrated Value 2"
+    id: cal_value2_input
+    min_value: -1000
+    max_value: 1000
+    step: 0.1
+    mode: box
+    optimistic: true
+    initial_value: 50
+    on_value:
+      - lambda: |-
+          id(cal_value2) = x;
+
+# Switch to toggle between raw and calibrated output
+switch:
+  - platform: template
+    name: "Use Calibrated Output"
+    id: use_calibrated_switch
+    optimistic: true
+    restore_mode: RESTORE_DEFAULT_ON
+    lambda: |-
+      return id(use_calibrated);
+    turn_on_action:
+      - lambda: |-
+          id(use_calibrated) = true;
+    turn_off_action:
+      - lambda: |-
+          id(use_calibrated) = false;
 
 sensor:
+  # Raw HX711 sensor
   - platform: hx711
-    id: bed
+    id: bed_raw
     internal: true
     dout_pin: D4
     clk_pin: D3
     update_interval: 3s
     gain: 128
-    filters:
-      - calibrate_linear:
-          - 2290200 -> 0
-          - 2856500 -> 50
+
+  # Display raw value
+  - platform: template
+    name: "HX711 Raw Value"
+    id: hx711_raw_display
+    update_interval: 3s
+    lambda: "return id(bed_raw).state;"
+
+  # Calibrated sensor using template with dynamic calibration
+  - platform: template
+    name: "Bedscale Calibrated"
+    id: bed_calibrated
+    icon: mdi:weight-kilogram
+    update_interval: 3s
+    unit_of_measurement: kg
+    accuracy_decimals: 2
+    lambda: |-
+      float raw = id(bed_raw).state;
+      float raw1 = id(cal_raw1);
+      float value1 = id(cal_value1);
+      float raw2 = id(cal_raw2);
+      float value2 = id(cal_value2);
+
+      // Linear calibration: y = m*x + b
+      // m = (value2 - value1) / (raw2 - raw1)
+      // b = value1 - m * raw1
+      float m = (raw2 - raw1) != 0.0 ? (value2 - value1) / (raw2 - raw1) : 0.0;
+      float b = value1 - m * raw1;
+      float calibrated = m * raw + b;
+
+      return calibrated;
     on_value:
       - if:
           condition:
@@ -69,13 +181,20 @@ sensor:
           then:
             - lambda: "id(constant_weight) = x;"
 
+  # Final output sensor that switches between raw and calibrated
   - platform: template
-    name: Bedscale
+    name: "Bedscale"
     icon: mdi:weight-kilogram
     update_interval: 3s
     unit_of_measurement: kg
-    lambda: "return id(bed).state;"
+    accuracy_decimals: 2
+    lambda: |-
+      if (id(use_calibrated)) {
+        float calibrated = id(bed_calibrated).state;
+        float adjusted = calibrated - id(constant_weight);
+        return adjusted >= 10.0 ? adjusted : 0.0;
+      } else {
+        return NAN;
+      }
     filters:
-      - lambda: "return x - id(constant_weight);"
-      - lambda: "return x >= 10.0 ? x : 0;"
       - delta: 0.5