From 1b9517dac7a044c27f8e6b65eb1334473b921727 Mon Sep 17 00:00:00 2001
From: Tom Davis <tom.davis@rumr.co.uk>
Date: Mon, 27 Jan 2025 23:43:20 +0000
Subject: [PATCH] SNZB-02D: add support for temperature and humidity
 calibration

---
 src/devices/sonoff.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/devices/sonoff.ts b/src/devices/sonoff.ts
index c8808faa996e9..4f69180c18561 100644
--- a/src/devices/sonoff.ts
+++ b/src/devices/sonoff.ts
@@ -862,6 +862,8 @@ const definitions: DefinitionWithExtend[] = [
                     comfortHumidityMin: {ID: 0x0005, type: Zcl.DataType.UINT16},
                     comfortHumidityMax: {ID: 0x0006, type: Zcl.DataType.UINT16},
                     temperatureUnits: {ID: 0x0007, type: Zcl.DataType.UINT16},
+                    temperatureCalibration: {ID: 0x2003, type: Zcl.DataType.INT16},
+                    humidityCalibration: {ID: 0x2004, type: Zcl.DataType.INT16},
                 },
                 commands: {},
                 commandsResponse: {},
@@ -926,6 +928,28 @@ const definitions: DefinitionWithExtend[] = [
                 description:
                     'The unit of the temperature displayed on the device screen. Note: wake up the device by pressing the button on the back before changing this value.',
             }),
+            m.numeric({
+                name: 'temperature_calibration',
+                cluster: 'customSonoffSnzb02d',
+                attribute: 'temperatureCalibration',
+                description: 'Offset to add/subtract to the reported temperature',
+                valueMin: -50,
+                valueMax: 50,
+                scale: 100,
+                valueStep: 0.1,
+                unit: '°C',
+            }),
+            m.numeric({
+                name: 'humidity_calibration',
+                cluster: 'customSonoffSnzb02d',
+                attribute: 'humidityCalibration',
+                description: 'Offset to add/subtract to the reported relative humidity',
+                valueMin: -50,
+                valueMax: 50,
+                scale: 100,
+                valueStep: 0.1,
+                unit: '%',
+            }),
         ],
     },
     {