From 0d52695aa9f425a3dd051fc0845118666c467475 Mon Sep 17 00:00:00 2001
From: Thomas COIN <esvcorp@gmail.com>
Date: Thu, 29 Oct 2020 14:15:27 +0100
Subject: [PATCH] It is strongly recommended to check the new allocated pointer
 is not null

---
 FAQ-#3.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/FAQ-#3.md b/FAQ-#3.md
index ba1f9f3..51808f7 100644
--- a/FAQ-#3.md
+++ b/FAQ-#3.md
@@ -39,12 +39,17 @@ void setup() {
 ...
 }
 
-void PixelCountChanged(uint16_t newCount) {
+bool PixelCountChanged(uint16_t newCount) {
     if (strip != NULL) {  
        delete strip; // delete the previous dynamically created strip
     }
     strip = new NeoPixelBus<NeoGrbFeature, Neo800KbpsMethod>(newCount, Pin); // and recreate with new count
+    if (strip == NULL) {
+        Serial.println("OUT OF MEMORY");
+        return false;
+    }
     strip->Begin();
+    return true;
 }
 
 void loop() {