rename folder

components/empty_uart_component/README.md

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+```yaml
+# example configuration:
+
+empty_uart_component:
+  id: empty_uart_component_1
+
+uart:
+  tx_pin: D0
+  rx_pin: D1
+  baud_rate: 9600
+```

components/empty_uart_component/__init__.py

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+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import uart
+from esphome.const import CONF_ID
+
+DEPENDENCIES = ['uart']
+
+empty_uart_component_ns = cg.esphome_ns.namespace('empty_uart_component')
+EmptyUARTComponent = empty_uart_component_ns.class_('EmptyUARTComponent', cg.Component, uart.UARTDevice)
+
+CONFIG_SCHEMA = cv.Schema({
+    cv.GenerateID(): cv.declare_id(EmptyUARTComponent)
+}).extend(cv.COMPONENT_SCHEMA).extend(uart.UART_DEVICE_SCHEMA)
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield cg.register_component(var, config)
+    yield uart.register_uart_device(var, config)

components/empty_uart_component/empty_uart_component.cpp

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+#include "esphome/core/log.h"
+#include "empty_uart_component.h"
+
+namespace esphome {
+namespace empty_uart_component {
+
+static const char *TAG = "empty_uart_component.component";
+
+void EmptyUARTComponent::setup() {
+
+}
+
+void EmptyUARTComponent::loop() {
+
+}
+
+void EmptyUARTComponent::dump_config(){
+    ESP_LOGCONFIG(TAG, "Empty UART component");
+}
+
+}  // namespace empty_uart_component
+}  // namespace esphome

components/empty_uart_component/empty_uart_component.h

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+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/uart/uart.h"
+
+namespace esphome {
+namespace empty_uart_component {
+
+class EmptyUARTComponent : public uart::UARTDevice, public Component {
+  public:
+    void setup() override;
+    void loop() override;
+    void dump_config() override;
+};
+
+
+}  // namespace empty_uart_component
+}  // namespace esphome