diff --git a/examples/stm32/nucleo-f429zi-rndis/Makefile b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/Makefile
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/Makefile
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/Makefile
diff --git a/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/README.md b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/README.md
new file mode 100644
index 00000000000..5eefc3b7f9a
--- /dev/null
+++ b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/README.md
@@ -0,0 +1,3 @@
+# RNDIS Web device dashboard on NUCLEO-F429ZI
+
+See https://mongoose.ws/tutorials/stm32/all-make-baremetal-builtin-rndis/
diff --git a/examples/stm32/nucleo-f429zi-rndis/hal.h b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/hal.h
similarity index 85%
rename from examples/stm32/nucleo-f429zi-rndis/hal.h
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/hal.h
index 1c3849d3b76..9d3377667d0 100644
--- a/examples/stm32/nucleo-f429zi-rndis/hal.h
+++ b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/hal.h
@@ -17,6 +17,13 @@
 #define PINNO(pin) (pin & 255)
 #define PINBANK(pin) (pin >> 8)
 
+#define LED1 PIN('B', 0)   // On-board LED pin (green)
+#define LED2 PIN('B', 7)   // On-board LED pin (blue)
+#define LED3 PIN('B', 14)  // On-board LED pin (red)
+
+#define LED LED2              // Use blue LED for blinking
+
+// System clock
 // 6.3.3: APB1 clock <= 45MHz; APB2 clock <= 90MHz
 // 3.5.1, Table 11: configure flash latency (WS) in accordance to clock freq
 // 33.4: The AHB clock must be at least 25 MHz when Ethernet is used
@@ -121,6 +128,20 @@ static inline uint8_t uart_read_byte(USART_TypeDef *uart) {
   return (uint8_t) (uart->DR & 255);
 }
 
+static inline void usb_init() {
+  gpio_init(PIN('A', 11), GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
+            GPIO_PULL_NONE, 10);  // D+
+  gpio_init(PIN('A', 12), GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
+            GPIO_PULL_NONE, 10);  // D-
+  gpio_init(PIN('A', 9), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
+            GPIO_PULL_NONE, 0);  // VBUS
+  gpio_init(PIN('A', 10), GPIO_MODE_AF, GPIO_OTYPE_OPEN_DRAIN, GPIO_SPEED_HIGH,
+            GPIO_PULL_UP, 10);                    // ID
+  RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;            // Enable USB FS clock
+  USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;  // VBUS sensing disable
+  USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN;    // VBUS sensing enable
+}
+
 static inline void rng_init(void) {
   RCC->AHB2ENR |= RCC_AHB2ENR_RNGEN;
   RNG->CR |= RNG_CR_RNGEN;
diff --git a/examples/stm32/nucleo-f429zi-rndis/link.ld b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/link.ld
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/link.ld
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/link.ld
diff --git a/examples/stm32/nucleo-f746zg-rndis/main.c b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/main.c
similarity index 84%
rename from examples/stm32/nucleo-f746zg-rndis/main.c
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/main.c
index 6bf7ff83705..228c90e393b 100644
--- a/examples/stm32/nucleo-f746zg-rndis/main.c
+++ b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/main.c
@@ -5,7 +5,6 @@
 #include "mongoose.h"
 #include "tusb.h"
 
-#define LED PIN('B', 7)  // On-board LED pin (blue)
 static struct mg_tcpip_if *s_ifp;
 const uint8_t tud_network_mac_address[6] = {2, 2, 0x84, 0x6A, 0x96, 0};
 
@@ -101,15 +100,7 @@ int main(void) {
   mg_http_listen(&mgr, "tcp://0.0.0.0:80", fn, &mgr);
 
   MG_INFO(("Init USB ..."));
-  gpio_init(PIN('A', 11), GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
-            GPIO_PULL_NONE, 10);  // D+
-  gpio_init(PIN('A', 12), GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
-            GPIO_PULL_NONE, 10);  // D-
-  gpio_init(PIN('A', 9), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
-            GPIO_PULL_NONE, 0);  // VBUS
-  gpio_init(PIN('A', 10), GPIO_MODE_AF, GPIO_OTYPE_OPEN_DRAIN, GPIO_SPEED_HIGH,
-            GPIO_PULL_UP, 10);          // ID
-  RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;  // Enable USB FS clock
+  usb_init();
   tusb_init();
 
   MG_INFO(("Init done, starting main loop ..."));
diff --git a/examples/stm32/nucleo-f429zi-rndis/mongoose.c b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/mongoose.c
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/mongoose.c
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/mongoose.c
diff --git a/examples/stm32/nucleo-f429zi-rndis/mongoose.h b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/mongoose.h
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/mongoose.h
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/mongoose.h
diff --git a/examples/stm32/nucleo-f429zi-rndis/netif/ethernet.h b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/netif/ethernet.h
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/netif/ethernet.h
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/netif/ethernet.h
diff --git a/examples/stm32/nucleo-f429zi-rndis/syscalls.c b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/syscalls.c
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/syscalls.c
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/syscalls.c
diff --git a/examples/stm32/nucleo-f429zi-rndis/sysinit.c b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/sysinit.c
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/sysinit.c
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/sysinit.c
diff --git a/examples/stm32/nucleo-f429zi-rndis/tusb_config.h b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/tusb_config.h
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/tusb_config.h
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/tusb_config.h
diff --git a/examples/stm32/nucleo-f429zi-rndis/usb_descriptors.c b/examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/usb_descriptors.c
similarity index 100%
rename from examples/stm32/nucleo-f429zi-rndis/usb_descriptors.c
rename to examples/stm32/nucleo-f429zi-make-baremetal-builtin-rndis/usb_descriptors.c
diff --git a/examples/stm32/nucleo-f429zi-rndis/README.md b/examples/stm32/nucleo-f429zi-rndis/README.md
deleted file mode 100644
index 495d307f661..00000000000
--- a/examples/stm32/nucleo-f429zi-rndis/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# RNDIS Web device dashboard on NUCLEO-F429ZI
-
-See https://mongoose.ws/tutorials/stm32/nucleo-f429zi-rndis/
diff --git a/examples/stm32/nucleo-f746zg-rndis/Makefile b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/Makefile
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/Makefile
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/Makefile
diff --git a/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/README.md b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/README.md
new file mode 100644
index 00000000000..9096bcdd37a
--- /dev/null
+++ b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/README.md
@@ -0,0 +1,3 @@
+# RNDIS Web device dashboard on NUCLEO-F746ZG
+
+See https://mongoose.ws/tutorials/stm32/all-make-baremetal-builtin-rndis/
diff --git a/examples/stm32/nucleo-f746zg-rndis/hal.h b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/hal.h
similarity index 87%
rename from examples/stm32/nucleo-f746zg-rndis/hal.h
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/hal.h
index 36a1b71cf05..1c311dcff26 100644
--- a/examples/stm32/nucleo-f746zg-rndis/hal.h
+++ b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/hal.h
@@ -17,6 +17,12 @@
 #define PINNO(pin) (pin & 255)
 #define PINBANK(pin) (pin >> 8)
 
+#define LED1 PIN('B', 0)   // On-board LED pin (green)
+#define LED2 PIN('B', 7)   // On-board LED pin (blue)
+#define LED3 PIN('B', 14)  // On-board LED pin (red)
+
+#define LED LED2              // Use blue LED for blinking
+
 /* System clock
 5.3.3: APB1 clock <= 54MHz; APB2 clock <= 108MHz
 3.3.2, Table 5: configure flash latency (WS) in accordance to clock freq
@@ -123,6 +129,18 @@ static inline uint8_t uart_read_byte(USART_TypeDef *uart) {
   return (uint8_t) (uart->RDR & 255);
 }
 
+static inline void usb_init(void) {
+  gpio_init(PIN('A', 11), GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
+            GPIO_PULL_NONE, 10);  // D+
+  gpio_init(PIN('A', 12), GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
+            GPIO_PULL_NONE, 10);  // D-
+  gpio_init(PIN('A', 9), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
+            GPIO_PULL_NONE, 0);  // VBUS
+  gpio_init(PIN('A', 10), GPIO_MODE_AF, GPIO_OTYPE_OPEN_DRAIN, GPIO_SPEED_HIGH,
+            GPIO_PULL_UP, 10);          // ID
+  RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;  // Enable USB FS clock
+}
+
 static inline void rng_init(void) {
   RCC->AHB2ENR |= RCC_AHB2ENR_RNGEN;
   RNG->CR |= RNG_CR_RNGEN;
diff --git a/examples/stm32/nucleo-f746zg-rndis/link.ld b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/link.ld
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/link.ld
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/link.ld
diff --git a/examples/stm32/nucleo-f429zi-rndis/main.c b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/main.c
similarity index 80%
rename from examples/stm32/nucleo-f429zi-rndis/main.c
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/main.c
index b4bbe32e75e..228c90e393b 100644
--- a/examples/stm32/nucleo-f429zi-rndis/main.c
+++ b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/main.c
@@ -5,7 +5,6 @@
 #include "mongoose.h"
 #include "tusb.h"
 
-#define LED PIN('B', 7)  // On-board LED pin (blue)
 static struct mg_tcpip_if *s_ifp;
 const uint8_t tud_network_mac_address[6] = {2, 2, 0x84, 0x6A, 0x96, 0};
 
@@ -101,17 +100,7 @@ int main(void) {
   mg_http_listen(&mgr, "tcp://0.0.0.0:80", fn, &mgr);
 
   MG_INFO(("Init USB ..."));
-  gpio_init(PIN('A', 11), GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
-            GPIO_PULL_NONE, 10);  // D+
-  gpio_init(PIN('A', 12), GPIO_MODE_AF, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
-            GPIO_PULL_NONE, 10);  // D-
-  gpio_init(PIN('A', 9), GPIO_MODE_INPUT, GPIO_OTYPE_PUSH_PULL, GPIO_SPEED_HIGH,
-            GPIO_PULL_NONE, 0);  // VBUS
-  gpio_init(PIN('A', 10), GPIO_MODE_AF, GPIO_OTYPE_OPEN_DRAIN, GPIO_SPEED_HIGH,
-            GPIO_PULL_UP, 10);                    // ID
-  RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;            // Enable USB FS clock
-  USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;  // VBUS sensing disable
-  USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN;    // VBUS sensing enable
+  usb_init();
   tusb_init();
 
   MG_INFO(("Init done, starting main loop ..."));
diff --git a/examples/stm32/nucleo-f746zg-rndis/mongoose.c b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/mongoose.c
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/mongoose.c
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/mongoose.c
diff --git a/examples/stm32/nucleo-f746zg-rndis/mongoose.h b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/mongoose.h
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/mongoose.h
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/mongoose.h
diff --git a/examples/stm32/nucleo-f746zg-rndis/netif/ethernet.h b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/netif/ethernet.h
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/netif/ethernet.h
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/netif/ethernet.h
diff --git a/examples/stm32/nucleo-f746zg-rndis/syscalls.c b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/syscalls.c
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/syscalls.c
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/syscalls.c
diff --git a/examples/stm32/nucleo-f746zg-rndis/sysinit.c b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/sysinit.c
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/sysinit.c
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/sysinit.c
diff --git a/examples/stm32/nucleo-f746zg-rndis/tusb_config.h b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/tusb_config.h
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/tusb_config.h
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/tusb_config.h
diff --git a/examples/stm32/nucleo-f746zg-rndis/usb_descriptors.c b/examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/usb_descriptors.c
similarity index 100%
rename from examples/stm32/nucleo-f746zg-rndis/usb_descriptors.c
rename to examples/stm32/nucleo-f746zg-make-baremetal-builtin-rndis/usb_descriptors.c
diff --git a/examples/stm32/nucleo-f746zg-rndis/README.md b/examples/stm32/nucleo-f746zg-rndis/README.md
deleted file mode 100644
index bef64f437c5..00000000000
--- a/examples/stm32/nucleo-f746zg-rndis/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# RNDIS Web device dashboard on NUCLEO-F746ZG
-
-See https://mongoose.ws/tutorials/stm32/nucleo-f746zg-rndis/