Extract docs for battery monitor (MiczFlor#2257)

* extract battmon docs into markdown

* Fix typo

* add link to ADS1015

Author: s-martin

documentation/builders/README.md

@@ -9,29 +9,31 @@
 ## Features
 
 * Audio
-    * [Audio Output](./audio.md)
-    * [Bluetooth audio buttons](./bluetooth-audio-buttons.md)
+  * [Audio Output](./audio.md)
+  * [Bluetooth audio buttons](./bluetooth-audio-buttons.md)
 * [GPIO Recipes](./gpio.md)
 * [Card Database](./card-database.md)
-    * [RFID Cards synchronisation](./components/synchronisation/rfidcards.md)
+  * [RFID Cards synchronisation](./components/synchronisation/rfidcards.md)
 * [Auto Hotspot](./autohotspot.md)
 * File Management
-    * [Network share / Samba](./samba.md)
+  * [Network share / Samba](./samba.md)
 
 ## Hardware Components
 
 * [Power](./components/power/)
-    * [OnOff SHIM for safe power on/off](./components/power/onoff-shim.md)
+  * [OnOff SHIM for safe power on/off](./components/power/onoff-shim.md)
+  * [Battery Monitor based on a ADS1015](./components/power/batterymonitor.md)
 * [Soundcards](./components/soundcards/)
-    * [HiFiBerry Boards](./components/soundcards/hifiberry.md)
+  * [HiFiBerry Boards](./components/soundcards/hifiberry.md)
 * [RFID Readers](./../developers/rfid/README.md)
 
 ## Web Application
 
 * Music
-    * [Playlists, Livestreams and Podcasts](./webapp/playlists-livestreams-podcasts.md)
+  * [Playlists, Livestreams and Podcasts](./webapp/playlists-livestreams-podcasts.md)
 
 ## Advanced
+
 * [Troubleshooting](./troubleshooting.md)
 * [Concepts](./concepts.md)
 * [System](./system.md)

documentation/builders/components/power/batterymonitor.md

@@ -0,0 +1,33 @@
+# Battery Monitor based on a ADS1015
+
+> [!CAUTION]
+> Lithium and other batteries are dangerous and must be treated with care.
+> Rechargeable Lithium Ion batteries are potentially hazardous and can
+> present a serious **FIRE HAZARD** if damaged, defective or improperly used.
+> Do not use this circuit to a lithium ion battery without expertise and
+> training in handling and use of batteries of this type.
+> Use appropriate test equipment and safety protocols during development.
+> There is no warranty, this may not work as expected or at all!
+
+The script in [src/jukebox/components/battery_monitor/batt_mon_i2c_ads1015/\_\_init\_\_.py](../../../../src/jukebox/components/battery_monitor/batt_mon_i2c_ads1015/__init__.py) is intended to read out the voltage of a single Cell LiIon Battery using a [CY-ADS1015 Board](https://www.adafruit.com/product/1083):
+
+```text
+                                              3.3V
+                                               +
+                                               |
+                                          .----o----.
+                    ___                   |         |  SDA
+          .--------|___|---o----o---------o AIN0    o------
+          |         2MΩ    |    |         |         |  SCL
+          |               .-.   |         | ADS1015 o------
+         ---              | |  ---        |         |
+ Battery  -          1.5MΩ| |  ---100nF   '----o----'
+ 2.9V-4.2V|               '-'   |              |
+          |                |    |              |
+         ===              ===  ===            ===
+```
+
+> [!WARNING]
+>
+> * the circuit is constantly draining the battery! (leak current up to: 2.1µA)
+> * the time between sample needs to be a minimum 1sec with this high impedance voltage divider don't use the continuous conversion method!

src/jukebox/components/battery_monitor/batt_mon_i2c_ads1015/__init__.py

@@ -37,36 +37,7 @@
 class battmon_ads1015(BatteryMonitorBase.BattmonBase):
     """Battery Monitor based on a ADS1015
 
-    > [!CAUTION]
-    > Lithium and other batteries are dangerous and must be treated with care.
-    > Rechargeable Lithium Ion batteries are potentially hazardous and can
-    > present a serious **FIRE HAZARD** if damaged, defective or improperly used.
-    > Do not use this circuit to a lithium ion battery without expertise and
-    > training in handling and use of batteries of this type.
-    > Use appropriate test equipment and safety protocols during development.
-    > There is no warranty, this may not work as expected or at all!
-
-    This script is intended to read out the Voltage of a single Cell LiIon Battery using a CY-ADS1015 Board:
-
-                                                      3.3V
-                                                       +
-                                                       |
-                                                  .----o----.
-                            ___                   |         |  SDA
-                  .--------|___|---o----o---------o AIN0    o------
-                  |         2MΩ    |    |         |         |  SCL
-                  |               .-.   |         | ADS1015 o------
-                 ---              | |  ---        |         |
-         Battery  -          1.5MΩ| |  ---100nF   '----o----'
-         2.9V-4.2V|               '-'   |              |
-                  |                |    |              |
-                 ===              ===  ===            ===
-
-    Attention:
-    * the circuit is constantly draining the battery! (leak current up to: 2.1µA)
-    * the time between sample needs to be a minimum 1sec with this high impedance voltage divider
-          don't use the continuous conversion method!
-
+    See [Battery Monitor documentation](../../builders/components/power/batterymonitor.md)
     """
 
     def __init__(self, cfg):