rename folder

components/empty_i2c_sensor/README.md

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+```yaml
+# example configuration:
+
+sensor:
+  - platform: empty_i2c_sensor
+    name: Empty I2C sensor
+
+i2c:
+  sda: 4
+  scl: 5
+```

components/empty_i2c_sensor/empty_i2c_sensor.cpp

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+#include "esphome/core/log.h"
+#include "empty_i2c_sensor.h"
+
+namespace esphome {
+namespace empty_i2c_sensor {
+
+static const char *TAG = "empty_i2c_sensor.sensor";
+
+void EmptyI2CSensor::setup(){
+    
+}
+
+void EmptyI2CSensor::update(){
+
+}
+
+void EmptyI2CSensor::dump_config(){
+
+}
+
+}  // namespace EmptyI2CSensor
+}  // namespace esphome

components/empty_i2c_sensor/empty_i2c_sensor.h

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+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace empty_i2c_sensor {
+
+class EmptyI2CSensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+ public:
+  void setup() override;
+  void update() override;
+  void dump_config() override;
+};
+
+}  // namespace EmptyI2CSensor
+}  // namespace esphome

components/empty_i2c_sensor/sensor.py

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+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import i2c, sensor
+from esphome.const import CONF_ID, ICON_EMPTY, UNIT_EMPTY
+
+DEPENDENCIES = ['i2c']
+
+CONF_I2C_ADDR = 0x01
+
+empty_i2c_sensor_ns = cg.esphome_ns.namespace('empty_i2c_sensor')
+EmptyI2CSensor = empty_i2c_sensor_ns.class_('EmptyI2CSensor', cg.PollingComponent, i2c.I2CDevice)
+
+CONFIG_SCHEMA = sensor.sensor_schema(UNIT_EMPTY, ICON_EMPTY, 1).extend({
+    cv.GenerateID(): cv.declare_id(EmptyI2CSensor),
+}).extend(cv.polling_component_schema('60s')).extend(i2c.i2c_device_schema(CONF_I2C_ADDR))
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield cg.register_component(var, config)
+    yield sensor.register_sensor(var, config)
+    yield i2c.register_i2c_device(var, config)
+