From 877d3bbd22b36f468e23509134d41bed861c6dcb Mon Sep 17 00:00:00 2001
From: WizzXfpv <40316777+WizzX-FPV@users.noreply.github.com>
Date: Sun, 19 Feb 2023 21:12:26 +0100
Subject: [PATCH] Update Temperature sensors.md

---
 docs/Temperature sensors.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/docs/Temperature sensors.md b/docs/Temperature sensors.md
index e46cac290..71a17f0b7 100644
--- a/docs/Temperature sensors.md	
+++ b/docs/Temperature sensors.md	
@@ -11,6 +11,24 @@ Up to 8 can be connected to the flight controller.
 * Supply: 2.7 to 5.5V
 * Temperature range: -55 to +125°C
 
+On the purple LM75 (CJMCU-75), address line pins on the bottom of the PCB need to be bridged either to ground or VCC (to define I2C address)
+![image](assets/images/CJMCU-75_address.png)
+
+Pin definition:
+| A2  | A1  | A0  |Address|INAV add|
+|-----|-----|-----|-------|--------|
+| GND | GND	| GND	| 0x48	 | 0      |
+| GND	| GND	| VCC	| 0x49	 | 1      |
+| GND	| VCC	| GND	| 0x4A	 | 2      |
+| GND	| VCC	| VCC	| 0x4B	 | 3      |
+| VCC	| GND	| GND	| 0x4C	 | 4      |
+| VCC	| GND	| VCC	| 0x4D	 | 5      |
+| VCC	| VCC	| GND	| 0x4E	 | 6      |
+| VCC	| VCC	| VCC	| 0x4F	 | 7      |
+
+If more than one sensor is used, each sensor must have different address.
+
+
 ## DS18B20
 
 * Package: TO-92, SO-8, µSOP-8
-- 
2.11.4.GIT