rename folder

components/empty_component/README.md

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+```yaml
+# example configuration:
+
+empty_component:
+  id: empty_component_1
+```

components/empty_component/__init__.py

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+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.const import CONF_ID
+
+empty_component_ns = cg.esphome_ns.namespace('empty_component')
+EmptyComponent = empty_component_ns.class_('EmptyComponent', cg.Component)
+
+CONFIG_SCHEMA = cv.Schema({
+    cv.GenerateID(): cv.declare_id(EmptyComponent)
+}).extend(cv.COMPONENT_SCHEMA)
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield cg.register_component(var, config)

components/empty_component/empty_component.cpp

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

components/empty_component/empty_component.h

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+#pragma once
+
+#include "esphome/core/component.h"
+
+namespace esphome {
+namespace empty_component {
+
+class EmptyComponent : public Component {
+ public:
+  void setup() override;
+  void loop() override;
+  void dump_config() override;
+};
+
+
+}  // namespace empty_component
+}  // namespace esphome