From 82a17f0247bc9c8a9300a345d5c0979c971d4c5f Mon Sep 17 00:00:00 2001 From: Najdanovic Ivan Date: Wed, 27 Mar 2024 09:41:57 +0100 Subject: [PATCH] Descrption for the 5V PIN --- docs/HARDWARE-EN.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/HARDWARE-EN.md b/docs/HARDWARE-EN.md index a3820a3..609135f 100644 --- a/docs/HARDWARE-EN.md +++ b/docs/HARDWARE-EN.md @@ -16,7 +16,7 @@ It use [JST SM](https://www.jst-mfg.com/product/pdf/eng/eSM.pdf) connector for 5 ### Pinout ### 1. Yellow: +12V..+14V DC. Measured +14.70V max and +13.70V min. Service manual declares up to +16V. 2. Black: ground. -3. White: +5V DC (max: +5.63V; min: +4.43V) I have no idea what this is for. It goes directly to the air conditioner microcontroller through resistor 1kOhm and it does not affect the operation of the module. +3. White: +5V DC (max: +5.63V; min: +4.43V) Enable signal for the 3V3 buck regulator on the OEM module. It goes directly to the air conditioner microcontroller through resistor 1kOhm. It's non used with the EPS module. 4. Blue: TX of air conditioner. High is +5V. 5. Red: RX of air conditioner. High is +5V.