[nRF24] Renamed basic examples to _Blocking

examples/nRF24/nRF24_Receive_Blocking/nRF24_Receive_Blocking.ino

@@ -1,19 +1,23 @@
 /*
-   RadioLib nRF24 Receive Example
+  RadioLib nRF24 Blocking Receive Example
 
-   This example listens for FSK transmissions using nRF24 2.4 GHz radio module.
+  This example listens for FSK transmissions using nRF24 2.4 GHz radio module.
-   To successfully receive data, the following settings have to be the same
+  To successfully receive data, the following settings have to be the same
-   on both transmitter and receiver:
+  on both transmitter and receiver:
-    - carrier frequency
+  - carrier frequency
-    - data rate
+  - data rate
-    - transmit pipe on transmitter must match receive pipe
+  - transmit pipe on transmitter must match receive pipe on receiver
-      on receiver
 
-   For default module settings, see the wiki page
+  Using blocking receive is not recommended, as it will lead
-   https://github.com/jgromes/RadioLib/wiki/Default-configuration#nrf24
+  to significant amount of timeouts, inefficient use of processor
+  time and can some miss packets!
+  Instead, interrupt receive is recommended.
 
-   For full API reference, see the GitHub Pages
+  For default module settings, see the wiki page
-   https://jgromes.github.io/RadioLib/
+  https://github.com/jgromes/RadioLib/wiki/Default-configuration#nrf24
+
+  For full API reference, see the GitHub Pages
+  https://jgromes.github.io/RadioLib/
 */
 
 // include the library

examples/nRF24/nRF24_Transmit_Blocking/nRF24_Transmit_Blocking.ino

@@ -59,12 +59,15 @@ void setup() {
   }
 }
 
+// counter to keep track of transmitted packets
+int count = 0;
+
 void loop() {
   Serial.print(F("[nRF24] Transmitting packet ... "));
 
   // you can transmit C-string or Arduino string up to
   // 32 characters long
-  int state = radio.transmit("Hello World!");
+  int state = radio.transmit("Hello World! #" + String(count++));
 
   if (state == RADIOLIB_ERR_NONE) {
     // the packet was successfully transmitted