use ```, as gitea's markdown doesn't render them well...

Provide a comment on how to address it..

README.md

@@ -28,6 +28,8 @@ Architecture
 
 There are a number of components to make this system work.  The overall
 flow is:
+<!-- If using MarkDeep, remove the triple backticks from this and the diagram below -->
+```
 ************************************************************************************************
 *                                                                                              *
 * +---------+              +-------------+            +-------------+         +--------------+ *
@@ -36,6 +38,7 @@ flow is:
 * +---------+              +-------------+            +-------------+         +--------------+ *
 *                                                                                              *
 ************************************************************************************************
+```
 
 The `lora.py` component is the front end/UI that is used to send commands
 to controller.  This program establishes a secure communications channel
@@ -121,6 +124,7 @@ Deploying
 
 Here is a diagram of the connections:
 
+```
 *******************************************************************************************
 *                                                                                         *
 *                                   GND                                                   *
@@ -137,6 +141,7 @@ Here is a diagram of the connections:
 *                   +-------------+                                                       *
 *                                                                                         *
 *******************************************************************************************
+```
 
 The noral supply used for irrigation values is 24V AC.  This means
 an additional power supply is needed to convert to the 5V supply that