Added new board, which is a copy of lora32_v21. Can compile and flash it.

Boards.h

@@ -125,6 +125,10 @@
   #define MODEL_FE            0xFE // Homebrew board, max 17dBm output power
   #define MODEL_FF            0xFF // Homebrew board, max 14dBm output power
 
+  // Board added by Mees Electronics
+  #define BOARD_WAVESHARE_ESP32_S3_PICO 0x61 // Waveshare ESP32 S3 Pico
+  #define MODEL_31                      0x31 // SX1278
+
   // Displays
   #define OLED 0x01
   #define EINK_BW 0x02
@@ -411,15 +415,15 @@
 
       const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
       #if HAS_TCXO == true
-        const bool interface_cfg[INTERFACE_COUNT][3] = { 
+        const bool interface_cfg[INTERFACE_COUNT][3] = {
                         // SX127X
               {
                   true, // DEFAULT_SPI
                   true, // HAS_TCXO
                   false  // DIO2_AS_RF_SWITCH
-              }, 
+              },
         };
-      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
+      const int8_t interface_pins[INTERFACE_COUNT][10] = {
                   // SX127X
           {
               18, // pin_ss
@@ -444,16 +448,16 @@
       #endif
 
       #if HAS_TCXO == false
-      const bool interface_cfg[INTERFACE_COUNT][3] = { 
+      const bool interface_cfg[INTERFACE_COUNT][3] = {
                     // SX127X
           {
               true, // DEFAULT_SPI
               false, // HAS_TCXO
               false  // DIO2_AS_RF_SWITCH
-          }, 
+          },
       };
 
-      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
+      const int8_t interface_pins[INTERFACE_COUNT][10] = {
                   // SX127X
           {
               18, // pin_ss
@@ -1022,6 +1026,77 @@
               -1  // pin_tcxo_enable
           }
       };
+
+    #elif BOARD_MODEL == BOARD_WAVESHARE_ESP32_S3_PICO
+      #define HAS_DISPLAY true
+      #define DISPLAY OLED
+      #define HAS_BLUETOOTH true
+      #define HAS_PMU true
+      #define HAS_CONSOLE true
+      #define HAS_EEPROM true
+      #define INTERFACE_COUNT 1
+
+      const uint8_t interfaces[INTERFACE_COUNT] = {SX1276};
+      #if HAS_TCXO == true
+        const bool interface_cfg[INTERFACE_COUNT][3] = {
+                        // SX127X
+              {
+                  true, // DEFAULT_SPI
+                  true, // HAS_TCXO
+                  false  // DIO2_AS_RF_SWITCH
+              },
+        };
+      const int8_t interface_pins[INTERFACE_COUNT][10] = {
+                  // SX127X
+          {
+              18, // pin_ss
+              -1, // pin_sclk
+              -1, // pin_mosi
+              -1, // pin_miso
+              -1, // pin_busy
+              26, // pin_dio
+              23, // pin_reset
+              -1, // pin_txen
+              -1, // pin_rxen
+              33  // pin_tcxo_enable
+          }
+      };
+      #endif
+      #if defined(EXTERNAL_LEDS)
+        const int pin_led_rx = 15;
+        const int pin_led_tx = 4;
+      #else
+        const int pin_led_rx = 25;
+        const int pin_led_tx = 25;
+      #endif
+
+      #if HAS_TCXO == false
+      const bool interface_cfg[INTERFACE_COUNT][3] = {
+                    // SX127X
+          {
+              true, // DEFAULT_SPI
+              false, // HAS_TCXO
+              false  // DIO2_AS_RF_SWITCH
+          },
+      };
+
+      const int8_t interface_pins[INTERFACE_COUNT][10] = {
+                  // SX127X
+          {
+              18, // pin_ss
+              -1, // pin_sclk
+              -1, // pin_mosi
+              -1, // pin_miso
+              -1, // pin_busy
+              26, // pin_dio
+              23, // pin_reset
+              -1, // pin_txen
+              -1, // pin_rxen
+              -1  // pin_tcxo_enable
+          }
+      };
+      #endif
+
     #else
       #error An unsupported ESP32 board was selected. Cannot compile RNode firmware.
     #endif

Makefile

@@ -151,6 +151,10 @@ firmware-opencom-xl:
 firmware-heltec_t114:
 	arduino-cli compile --log --fqbn Heltec_nRF52:Heltec_nRF52:HT-n5262 -e --build-property "build.partitions=no_ota" --build-property "upload.maximum_size=2097152" --build-property "compiler.cpp.extra_flags=\"-DBOARD_MODEL=0x3C\""
 
+# Added board from Mees Electronics
+firmware-waveshare-esp32-s3-pico: check_bt_buffers
+	arduino-cli compile --fqbn esp32:esp32:ttgo-lora32 $(COMMON_BUILD_FLAGS) --build-property "compiler.cpp.extra_flags=\"-DBOARD_MODEL=0x61\""
+
 upload-tbeam:
 	arduino-cli upload -p $(or $(port), /dev/ttyACM0) --fqbn esp32:esp32:t-beam
 	@sleep 1
@@ -264,6 +268,14 @@ upload-techo:
 	@sleep 6
 	rnodeconf /dev/ttyACM0 --firmware-hash $$(./partition_hashes from_device /dev/ttyACM0)
 
+# Added board from Mees Electronics
+upload-waveshare-esp32-s3-pico:
+	arduino-cli upload -p $(or $(port), /dev/ttyACM0) --fqbn esp32:esp32:ttgo-lora32
+	@sleep 1
+	rnodeconf $(or $(port), /dev/ttyACM0) --firmware-hash $$(./partition_hashes ./build/esp32.esp32.ttgo-lora32/RNode_Firmware_CE.ino.bin)
+	@sleep 3
+	python3 ./Release/esptool/esptool.py --port $(or $(port), /dev/ttyACM0) $(COMMON_ESP_UPLOAD_FLAGS) ./Release/console_image.bin
+
 release:  console-site spiffs-image $(shell grep ^release- Makefile | cut -d: -f1)
 
 release-hashes:

Utilities.h

@@ -289,6 +289,13 @@ uint8_t boot_vector = 0x00;
 		void led_tx_off() { digitalWrite(pin_led_tx, LOW); }
 		void led_id_on()  { }
 		void led_id_off() { }
+	#elif BOARD_MODEL == BOARD_WAVESHARE_ESP32_S3_PICO
+		void led_rx_on()  { digitalWrite(pin_led_rx, HIGH); }
+		void led_rx_off() {	digitalWrite(pin_led_rx, LOW); }
+		void led_tx_on()  { digitalWrite(pin_led_tx, HIGH); }
+		void led_tx_off() { digitalWrite(pin_led_tx, LOW); }
+		void led_id_on()  { }
+		void led_id_off() { }
 	#endif
 #elif MCU_VARIANT == MCU_NRF52
     #if HAS_NP == true