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Adds support for b-parasite soil moisture sensor (#1666)
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6 changed files with 201 additions and 0 deletions
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@ -18,6 +18,7 @@ esphome/components/animation/* @syndlex
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esphome/components/api/* @OttoWinter
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esphome/components/async_tcp/* @OttoWinter
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esphome/components/atc_mithermometer/* @ahpohl
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esphome/components/b_parasite/* @rbaron
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esphome/components/bang_bang/* @OttoWinter
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esphome/components/binary_sensor/* @esphome/core
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esphome/components/bme680_bsec/* @trvrnrth
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0
esphome/components/b_parasite/__init__.py
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esphome/components/b_parasite/__init__.py
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82
esphome/components/b_parasite/b_parasite.cpp
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esphome/components/b_parasite/b_parasite.cpp
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#include "b_parasite.h"
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#include "esphome/core/log.h"
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#ifdef ARDUINO_ARCH_ESP32
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namespace esphome {
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namespace b_parasite {
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static const char* TAG = "b_parasite";
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void BParasite::dump_config() {
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ESP_LOGCONFIG(TAG, "b_parasite");
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LOG_SENSOR(" ", "Battery Voltage", this->battery_voltage_);
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LOG_SENSOR(" ", "Temperature", this->temperature_);
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LOG_SENSOR(" ", "Humidity", this->humidity_);
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LOG_SENSOR(" ", "Soil Moisture", this->soil_moisture_);
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}
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bool BParasite::parse_device(const esp32_ble_tracker::ESPBTDevice& device) {
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if (device.address_uint64() != address_) {
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ESP_LOGVV(TAG, "parse_device(): unknown MAC address.");
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return false;
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}
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ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", device.address_str().c_str());
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const auto& service_datas = device.get_service_datas();
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if (service_datas.size() != 1) {
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ESP_LOGE(TAG, "Unexpected service_datas size (%d)", service_datas.size());
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return false;
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}
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const auto& service_data = service_datas[0];
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ESP_LOGVV(TAG, "Service data:");
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for (const uint8_t byte : service_data.data) {
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ESP_LOGVV(TAG, "0x%02x", byte);
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}
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const auto& data = service_data.data;
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// Counter for deduplicating messages.
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uint8_t counter = data[1] & 0x0f;
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if (last_processed_counter_ == counter) {
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ESP_LOGVV(TAG, "Skipping already processed counter (%u)", counter);
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return false;
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}
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// Battery voltage in millivolts.
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uint16_t battery_millivolt = data[2] << 8 | data[3];
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float battery_voltage = battery_millivolt / 1000.0f;
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// Temperature in 1000 * Celcius.
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uint16_t temp_millicelcius = data[4] << 8 | data[5];
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float temp_celcius = temp_millicelcius / 1000.0f;
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// Relative air humidity in the range [0, 2^16).
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uint16_t humidity = data[6] << 8 | data[7];
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float humidity_percent = (100.0f * humidity) / (1 << 16);
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// Relative soil moisture in [0 - 2^16).
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uint16_t soil_moisture = data[8] << 8 | data[9];
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float moisture_percent = (100.0f * soil_moisture) / (1 << 16);
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if (battery_voltage_ != nullptr) {
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battery_voltage_->publish_state(battery_voltage);
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}
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if (temperature_ != nullptr) {
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temperature_->publish_state(temp_celcius);
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}
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if (humidity_ != nullptr) {
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humidity_->publish_state(humidity_percent);
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}
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if (soil_moisture_ != nullptr) {
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soil_moisture_->publish_state(moisture_percent);
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}
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last_processed_counter_ = counter;
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return true;
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}
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} // namespace b_parasite
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} // namespace esphome
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#endif // ARDUINO_ARCH_ESP32
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40
esphome/components/b_parasite/b_parasite.h
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esphome/components/b_parasite/b_parasite.h
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@ -0,0 +1,40 @@
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
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#ifdef ARDUINO_ARCH_ESP32
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namespace esphome {
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namespace b_parasite {
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class BParasite : public Component, public esp32_ble_tracker::ESPBTDeviceListener {
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public:
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void set_address(uint64_t address) { address_ = address; };
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void set_bindkey(const std::string &bindkey);
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bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override;
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void dump_config() override;
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float get_setup_priority() const override { return setup_priority::DATA; }
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void set_battery_voltage(sensor::Sensor *battery_voltage) { battery_voltage_ = battery_voltage; }
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void set_temperature(sensor::Sensor *temperature) { temperature_ = temperature; }
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void set_humidity(sensor::Sensor *humidity) { humidity_ = humidity; }
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void set_soil_moisture(sensor::Sensor *soil_moisture) { soil_moisture_ = soil_moisture; }
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protected:
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// The received advertisement packet contains an unsigned 4 bits wrap-around counter
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// for deduplicating messages.
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int8_t last_processed_counter_ = -1;
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uint64_t address_;
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sensor::Sensor *battery_voltage_{nullptr};
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sensor::Sensor *temperature_{nullptr};
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sensor::Sensor *humidity_{nullptr};
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sensor::Sensor *soil_moisture_{nullptr};
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};
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} // namespace b_parasite
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} // namespace esphome
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#endif // ARDUINO_ARCH_ESP32
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68
esphome/components/b_parasite/sensor.py
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68
esphome/components/b_parasite/sensor.py
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import sensor, esp32_ble_tracker
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from esphome.const import (
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CONF_BATTERY_VOLTAGE,
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CONF_HUMIDITY,
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CONF_ID,
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CONF_MOISTURE,
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CONF_MAC_ADDRESS,
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CONF_TEMPERATURE,
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DEVICE_CLASS_HUMIDITY,
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DEVICE_CLASS_TEMPERATURE,
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DEVICE_CLASS_VOLTAGE,
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ICON_EMPTY,
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UNIT_CELSIUS,
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UNIT_PERCENT,
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UNIT_VOLT,
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)
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CODEOWNERS = ["@rbaron"]
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DEPENDENCIES = ["esp32_ble_tracker"]
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b_parasite_ns = cg.esphome_ns.namespace("b_parasite")
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BParasite = b_parasite_ns.class_(
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"BParasite", esp32_ble_tracker.ESPBTDeviceListener, cg.Component
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)
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(BParasite),
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cv.Required(CONF_MAC_ADDRESS): cv.mac_address,
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cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
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UNIT_CELSIUS, ICON_EMPTY, 1, DEVICE_CLASS_TEMPERATURE
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),
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cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
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UNIT_PERCENT, ICON_EMPTY, 1, DEVICE_CLASS_HUMIDITY
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),
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cv.Optional(CONF_BATTERY_VOLTAGE): sensor.sensor_schema(
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UNIT_VOLT, ICON_EMPTY, 3, DEVICE_CLASS_VOLTAGE
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),
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cv.Optional(CONF_MOISTURE): sensor.sensor_schema(
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UNIT_PERCENT, ICON_EMPTY, 1, DEVICE_CLASS_HUMIDITY
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),
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}
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)
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.extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA)
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.extend(cv.COMPONENT_SCHEMA)
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)
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def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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yield cg.register_component(var, config)
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yield esp32_ble_tracker.register_ble_device(var, config)
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cg.add(var.set_address(config[CONF_MAC_ADDRESS].as_hex))
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for (config_key, setter) in [
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(CONF_TEMPERATURE, var.set_temperature),
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(CONF_HUMIDITY, var.set_humidity),
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(CONF_BATTERY_VOLTAGE, var.set_battery_voltage),
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(CONF_MOISTURE, var.set_soil_moisture),
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]:
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if config_key in config:
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sens = yield sensor.new_sensor(config[config_key])
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cg.add(setter(sens))
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@ -70,6 +70,16 @@ sensor:
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- platform: ble_rssi
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service_uuid: '11223344-5566-7788-99aa-bbccddeeff00'
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name: 'BLE Test Service 128'
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- platform: b_parasite
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mac_address: F0:CA:F0:CA:01:01
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humidity:
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name: 'b-parasite Air Humidity'
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temperature:
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name: 'b-parasite Air Temperature'
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moisture:
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name: 'b-parasite Soil Moisture'
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battery_voltage:
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name: 'b-parasite Battery Voltage'
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- platform: senseair
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id: senseair0
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co2:
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