Added link to pinout.beagleboard.io

books/beaglebone-cookbook/02sensors/sensors.rst

@@ -107,10 +107,8 @@ Solution
       as seen in the diagram below. This corresponds
       to the SoC naming convention. For broad compatibility, BeagleY-AI re-uses the Broadcom GPIO numbering scheme used by RaspberryPi. 
 
-      The second (and arguably easier) way we will use for this tutorial is to use the **actual pin header number** (shown in dark grey)
-
-      So, for the rest of the tutorial, if we refer to **hat-08-gpio** we mean the **8th pin of the GPIO header**. Which, if you referenced
-      the image below, can see refers to **GPIO 14 (UART TX)**
+      The second (and arguably easier) way we will use for this tutorial is to use the **actual pin header number** (shown in dark grey).  So, for the rest of the tutorial, if we refer to **hat-08-gpio** we mean the **8th pin of the GPIO header**. Which, if you referenced
+      the image below, can see refers to **GPIO14 (UART TXD)**
 
       .. _sensors_hat_headers:
 
@@ -120,6 +118,8 @@ Solution
 
          BeagleY-AI pinout
 
+      Go to https://pinout.beagleboard.io/ to see an interactive version  of the figure.
+
 Choosing the simplest solution available enables you to move on quickly to 
 addressing other system aspects. By exploring each connection type, you can 
 make more informed decisions as you seek to optimize and troubleshoot your design.