Fan Controller - PWM HF (25kHz) Type, w/ a Two Button Escalator & a 4-LED Binary State-Display for UI.

The Circuit, as Built on an Universal PCB, Ready For Installation (in a '3.5 Drive-Slot) - Using a Thermoplastic Carrier :

/media/uploads/mzcs/img_20181108_073655_hdr-a.jpg

Revision:
0:437bb8e2f8a7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Sun Nov 04 16:49:49 2018 +0000
@@ -0,0 +1,23 @@
+{
+    "macros": [
+        "MBED_HEAP_STATS_ENABLED=1",
+        "MBED_STACK_STATS_ENABLED=1",
+        "MBED_MEM_TRACING_ENABLED=1",
+        "MBED_TRAP_ERRORS_ENABLED=1",
+        "MBED_DEBUG=0"
+    ],
+    "target_overrides": {
+        "*": {
+            "platform.stdio-baud-rate": 115200,
+            "platform.stdio-convert-newlines": true
+        }
+    },
+        "config": {
+        "main-stack-size": {
+            "value": 720
+        },
+        "thread-stack-size": {
+            "value": 640
+        }
+    }
+}