diff --git a/esphome/components/bl0940/sensor.py b/esphome/components/bl0940/sensor.py
index 992064943b..96445d5c38 100644
--- a/esphome/components/bl0940/sensor.py
+++ b/esphome/components/bl0940/sensor.py
@@ -211,6 +211,17 @@ CONFIG_SCHEMA = (
     .add_extra(set_reference_values)
 )
 
+# BL0940 datasheet: 4800 baud, 8 data bits, no parity (stop bits are 1.5 -- not
+# representable in the uart schema, so it isn't asserted).
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "bl0940",
+    baud_rate=4800,
+    data_bits=8,
+    parity="NONE",
+    require_rx=True,
+    require_tx=True,
+)
+
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
diff --git a/esphome/components/midea/climate.py b/esphome/components/midea/climate.py
index c954b45033..4a75464b90 100644
--- a/esphome/components/midea/climate.py
+++ b/esphome/components/midea/climate.py
@@ -260,6 +260,11 @@ async def power_inv_to_code(var, config, args):
     pass
 
 
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "midea", baud_rate=9600, require_rx=True, require_tx=True
+)
+
+
 async def to_code(config):
     var = await climate.new_climate(config)
     await cg.register_component(var, config)
diff --git a/esphome/components/pzem004t/sensor.py b/esphome/components/pzem004t/sensor.py
index 51b1ab2d80..7e55fd9e7e 100644
--- a/esphome/components/pzem004t/sensor.py
+++ b/esphome/components/pzem004t/sensor.py
@@ -58,6 +58,10 @@ CONFIG_SCHEMA = (
     .extend(uart.UART_DEVICE_SCHEMA)
 )
 
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "pzem004t", baud_rate=9600, require_rx=True, require_tx=True
+)
+
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
diff --git a/esphome/components/rdm6300/__init__.py b/esphome/components/rdm6300/__init__.py
index cbc54ad02b..a65213d576 100644
--- a/esphome/components/rdm6300/__init__.py
+++ b/esphome/components/rdm6300/__init__.py
@@ -29,6 +29,10 @@ CONFIG_SCHEMA = (
     .extend(uart.UART_DEVICE_SCHEMA)
 )
 
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "rdm6300", baud_rate=9600, require_rx=True
+)
+
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
diff --git a/esphome/components/rf_bridge/__init__.py b/esphome/components/rf_bridge/__init__.py
index 9ca47fe862..9863379b79 100644
--- a/esphome/components/rf_bridge/__init__.py
+++ b/esphome/components/rf_bridge/__init__.py
@@ -80,6 +80,16 @@ _CALLBACK_AUTOMATIONS = (
     ),
 )
 
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "rf_bridge",
+    baud_rate=19200,
+    require_rx=True,
+    require_tx=True,
+    data_bits=8,
+    parity="NONE",
+    stop_bits=1,
+)
+
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
diff --git a/esphome/components/rf_bridge/rf_bridge.cpp b/esphome/components/rf_bridge/rf_bridge.cpp
index cec32e0406..549cce72df 100644
--- a/esphome/components/rf_bridge/rf_bridge.cpp
+++ b/esphome/components/rf_bridge/rf_bridge.cpp
@@ -195,10 +195,7 @@ void RFBridgeComponent::learn() {
   this->flush();
 }
 
-void RFBridgeComponent::dump_config() {
-  ESP_LOGCONFIG(TAG, "RF_Bridge:");
-  this->check_uart_settings(19200);
-}
+void RFBridgeComponent::dump_config() { ESP_LOGCONFIG(TAG, "RF_Bridge:"); }
 
 void RFBridgeComponent::start_advanced_sniffing() {
   ESP_LOGI(TAG, "Advanced Sniffing on");
diff --git a/esphome/components/sds011/sds011.cpp b/esphome/components/sds011/sds011.cpp
index b1f89f18bf..1c222e5e80 100644
--- a/esphome/components/sds011/sds011.cpp
+++ b/esphome/components/sds011/sds011.cpp
@@ -73,7 +73,6 @@ void SDS011Component::dump_config() {
                 this->update_interval_min_, ONOFF(this->rx_mode_only_));
   LOG_SENSOR("  ", "PM2.5", this->pm_2_5_sensor_);
   LOG_SENSOR("  ", "PM10.0", this->pm_10_0_sensor_);
-  this->check_uart_settings(9600);
 }
 
 void SDS011Component::loop() {
diff --git a/esphome/components/sds011/sensor.py b/esphome/components/sds011/sensor.py
index 76abc70bb7..2d7b6b07e5 100644
--- a/esphome/components/sds011/sensor.py
+++ b/esphome/components/sds011/sensor.py
@@ -63,6 +63,24 @@ CONFIG_SCHEMA = cv.All(
 )
 
 
+def _final_validate(config):
+    # In the default mode setup() writes config commands, so tx is required;
+    # rx_only mode never writes, so tx is optional.
+    uart.final_validate_device_schema(
+        "sds011",
+        baud_rate=9600,
+        require_rx=True,
+        require_tx=not config.get(CONF_RX_ONLY, False),
+        data_bits=8,
+        parity="NONE",
+        stop_bits=1,
+    )(config)
+    return config
+
+
+FINAL_VALIDATE_SCHEMA = _final_validate
+
+
 async def to_code(config):
     # Pop update_interval before register_component so it doesn't generate
     # a set_update_interval call — sds011 handles this via set_update_interval_min
diff --git a/esphome/components/senseair/senseair.cpp b/esphome/components/senseair/senseair.cpp
index 8ed9fbb53b..0e8e4cef97 100644
--- a/esphome/components/senseair/senseair.cpp
+++ b/esphome/components/senseair/senseair.cpp
@@ -146,7 +146,6 @@ bool SenseAirComponent::senseair_write_command_(const uint8_t *command, uint8_t
 void SenseAirComponent::dump_config() {
   ESP_LOGCONFIG(TAG, "SenseAir:");
   LOG_SENSOR("  ", "CO2", this->co2_sensor_);
-  this->check_uart_settings(9600);
 }
 
 }  // namespace esphome::senseair
diff --git a/esphome/components/senseair/sensor.py b/esphome/components/senseair/sensor.py
index c5bef76741..277648137a 100644
--- a/esphome/components/senseair/sensor.py
+++ b/esphome/components/senseair/sensor.py
@@ -51,6 +51,16 @@ CONFIG_SCHEMA = (
     .extend(uart.UART_DEVICE_SCHEMA)
 )
 
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "senseair",
+    baud_rate=9600,
+    require_rx=True,
+    require_tx=True,
+    data_bits=8,
+    parity="NONE",
+    stop_bits=1,
+)
+
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
diff --git a/esphome/components/shelly_dimmer/light.py b/esphome/components/shelly_dimmer/light.py
index ddf7fa161b..f2ab5a4bc1 100644
--- a/esphome/components/shelly_dimmer/light.py
+++ b/esphome/components/shelly_dimmer/light.py
@@ -186,6 +186,10 @@ CONFIG_SCHEMA = (
     .extend(uart.UART_DEVICE_SCHEMA)
 )
 
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "shelly_dimmer", baud_rate=115200, require_rx=True, require_tx=True
+)
+
 
 async def to_code(config):
     fw_hex = get_firmware(config[CONF_FIRMWARE])
diff --git a/esphome/components/sm300d2/sensor.py b/esphome/components/sm300d2/sensor.py
index 60c9ccc40d..29e0cfe9b1 100644
--- a/esphome/components/sm300d2/sensor.py
+++ b/esphome/components/sm300d2/sensor.py
@@ -88,6 +88,10 @@ CONFIG_SCHEMA = cv.All(
     .extend(uart.UART_DEVICE_SCHEMA)
 )
 
+FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
+    "sm300d2", baud_rate=9600, require_rx=True, data_bits=8, parity="NONE", stop_bits=1
+)
+
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
diff --git a/esphome/components/sm300d2/sm300d2.cpp b/esphome/components/sm300d2/sm300d2.cpp
index 391cc0ac11..882959a454 100644
--- a/esphome/components/sm300d2/sm300d2.cpp
+++ b/esphome/components/sm300d2/sm300d2.cpp
@@ -100,7 +100,6 @@ void SM300D2Sensor::dump_config() {
   LOG_SENSOR("  ", "PM10", this->pm_10_0_sensor_);
   LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
   LOG_SENSOR("  ", "Humidity", this->humidity_sensor_);
-  this->check_uart_settings(9600);
 }
 
 }  // namespace esphome::sm300d2
diff --git a/tests/components/bl0940/test.esp32-idf.yaml b/tests/components/bl0940/test.esp32-idf.yaml
index 64baa4ec9d..e74af834d4 100644
--- a/tests/components/bl0940/test.esp32-idf.yaml
+++ b/tests/components/bl0940/test.esp32-idf.yaml
@@ -3,6 +3,6 @@ substitutions:
   rx_pin: GPIO14
 
 packages:
-  uart: !include ../../test_build_components/common/uart/esp32-idf.yaml
+  uart_4800: !include ../../test_build_components/common/uart_4800/esp32-idf.yaml
 
 <<: !include common.yaml
diff --git a/tests/components/bl0940/test.esp8266-ard.yaml b/tests/components/bl0940/test.esp8266-ard.yaml
index 89ca3ab5ae..f614b0a395 100644
--- a/tests/components/bl0940/test.esp8266-ard.yaml
+++ b/tests/components/bl0940/test.esp8266-ard.yaml
@@ -3,6 +3,6 @@ substitutions:
   rx_pin: GPIO3
 
 packages:
-  uart: !include ../../test_build_components/common/uart/esp8266-ard.yaml
+  uart_4800: !include ../../test_build_components/common/uart_4800/esp8266-ard.yaml
 
 <<: !include common.yaml
diff --git a/tests/components/bl0940/test.rp2040-ard.yaml b/tests/components/bl0940/test.rp2040-ard.yaml
index b28f2b5e05..c8e2e3b55a 100644
--- a/tests/components/bl0940/test.rp2040-ard.yaml
+++ b/tests/components/bl0940/test.rp2040-ard.yaml
@@ -3,6 +3,6 @@ substitutions:
   rx_pin: GPIO5
 
 packages:
-  uart: !include ../../test_build_components/common/uart/rp2040-ard.yaml
+  uart_4800: !include ../../test_build_components/common/uart_4800/rp2040-ard.yaml
 
 <<: !include common.yaml
diff --git a/tests/components/rf_bridge/test.esp32-idf.yaml b/tests/components/rf_bridge/test.esp32-idf.yaml
index 2d29656c94..76222997a8 100644
--- a/tests/components/rf_bridge/test.esp32-idf.yaml
+++ b/tests/components/rf_bridge/test.esp32-idf.yaml
@@ -1,4 +1,4 @@
 packages:
-  uart: !include ../../test_build_components/common/uart/esp32-idf.yaml
+  uart_19200: !include ../../test_build_components/common/uart_19200/esp32-idf.yaml
 
 <<: !include common.yaml
diff --git a/tests/components/rf_bridge/test.esp8266-ard.yaml b/tests/components/rf_bridge/test.esp8266-ard.yaml
index 5a05efa259..aaedec5aaa 100644
--- a/tests/components/rf_bridge/test.esp8266-ard.yaml
+++ b/tests/components/rf_bridge/test.esp8266-ard.yaml
@@ -1,4 +1,4 @@
 packages:
-  uart: !include ../../test_build_components/common/uart/esp8266-ard.yaml
+  uart_19200: !include ../../test_build_components/common/uart_19200/esp8266-ard.yaml
 
 <<: !include common.yaml
diff --git a/tests/components/rf_bridge/test.rp2040-ard.yaml b/tests/components/rf_bridge/test.rp2040-ard.yaml
index f1df2daf83..ed0cd431e3 100644
--- a/tests/components/rf_bridge/test.rp2040-ard.yaml
+++ b/tests/components/rf_bridge/test.rp2040-ard.yaml
@@ -1,4 +1,4 @@
 packages:
-  uart: !include ../../test_build_components/common/uart/rp2040-ard.yaml
+  uart_19200: !include ../../test_build_components/common/uart_19200/rp2040-ard.yaml
 
 <<: !include common.yaml