From 5b96bcc7bbe8780fe5f1ffec8486076c9bd299ac Mon Sep 17 00:00:00 2001
From: Ollo <ollo@ollo.mobil>
Date: Sat, 23 Jan 2021 10:00:15 +0100
Subject: [PATCH] Documentation improved

---
 Readme.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Readme.md b/Readme.md
index b286f1f..e06bd90 100644
--- a/Readme.md
+++ b/Readme.md
@@ -30,11 +30,19 @@ Determine the IP address of your clock and execute the following script:
 </pre>
 
 ## Hardware Setup
+Mandatory:
 * GPIO2     LEDs
 * GPIO0	    Bootloader (at start)
 * GPIO0	    factory reset (long during operation)
+Optinal:
+* ADC       VT93N2, 48k  light resistor  
 
 ## MQTT Interface
+### Status
+* **basetopic**/brightness **Current brightness in percent**
+* **basetopic**/background **Current background color**
+
+### Commands
 * **basetopic**/cmd/single
   * ON **Set brightness to 100%**
   * OFF **Set brightness to 0%**