Merge Plugin milesight_iot_em410_rdl into Main

milesight-iot-em410-rdl/CHANGELOG.md

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+# Changelog 
+
+## 1.0.0 - 2026-04-16
+
+- First version of plugin

milesight-iot-em410-rdl/LICENSE.md

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+Copyright 2026 Thinger.io
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

milesight-iot-em410-rdl/README.md

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+# Radar Distance/Level Sensor - EM410-RDL
+
+The EM410-RDL is a non-contact Radar Distance/Level Sensor that adopts Millimeter Wave Radar technology. By measuring millimeter-wave signals at higher frequencies, it provides more stable performance over longer distances, and is less affected by environmental conditions. The device features an 8° radar beam angle that can be focused on target fluids, enabling accurate measurement of liquid levels without invasive installation.
+
+## Features
+
+- **Millimeter Wave Radar Technology**: Operates at 60GHz frequency for precise measurements
+- **Wide Measuring Range**: 0.3m to 12m detection distance with small blind zone
+- **High Accuracy**: Up to ±2mm accuracy with 1mm resolution
+- **Non-invasive Monitoring**: Can detect hazardous or non-hazardous liquids without contact
+- **Environmental Resistance**: Not affected by dust, condensate, temperature, or acoustic noise
+- **Built-in 3-Axis Accelerometer**: Monitors device tilt status for optimal positioning
+- **Dual Antenna Options**: Available with internal or external antenna versions for various applications
+- **Radar-Echo Curve Analysis**: Supports one-click diagnostic to calibrate distance for accurate measurement
+- **PVDF Material Construction**: Excellent corrosion resistance, wear resistance, and compressive strength for harsh environments
+- **IP68 Waterproof**: Resistant in fresh water to maximum depth of 1m for up to 48 hours
+- **Thread Design**: Easy tank installation without extra accessories
+- **Local Data Storage**: Stores historical records locally with retransmission support to prevent data loss
+- **Easy Configuration**: Via NFC and Bluetooth connectivity
+- **OTA Updates**: Remote firmware upgrade capability via Milesight Development Platform
+
+## Technical Specifications
+
+### Measurement
+- **Technology**: Millimeter Wave Radar
+- **Radar Frequency**: 60GHz
+- **Detection Angle**: 8°
+- **Detection Distance**: 0.3m ~ 12m
+- **Accuracy**: Up to ±2mm
+- **Resolution**: 1mm
+- **Target**: Liquids or smooth surface solids
+
+### LoRaWAN Connectivity
+- **Frequency Bands**: CN470/IN865/EU868/RU864/US915/AU915/KR920/AS923-1&2&3&4
+- **Tx Power**: 16 dBm (868 MHz) / 20 dBm (915 MHz) / 19 dBm (470 MHz)
+- **Sensitivity**: -137 dBm @ 300bps
+- **Mode**: OTAA/ABP
+- **Class**: Class A
+- **Antenna**: Internal or external antenna options (50 Ω SMB Male Connector for external)
+
+### Sensors
+- Distance/Level
+- Battery
+- Temperature
+- 3-axis Accelerometer (tilt detection)
+
+### Physical Characteristics
+- **Dimensions**: 87 x 87 x 101 mm
+- **Enclosure Rating**: IP68
+- **Operating Temperature**: -40°C to 70°C
+
+## Use Cases
+
+- Liquid level monitoring in industrial tanks
+- Water level measurement in reservoirs and wells
+- Chemical storage tank monitoring
+- Wastewater treatment facilities
+- Agricultural irrigation systems
+- Fuel tank level monitoring
+- Hazardous liquid detection and monitoring
+
+## Thinger.io Integration
+
+The EM410-RDL integrates seamlessly with Thinger.io through LoRaWAN connectivity, enabling remote monitoring and management of distance and level measurements.
+
+## Requirements
+
+A LoRaWAN server is required to communicate the EM410-RDL into Thinger.io, some options are:
+
+- [The Things Stack](https://www.thethingsindustries.com/stack/)
+- [LORIOT](https://loriot.io/)
+- [ChirpStack](https://www.chirpstack.io/)
+
+Alongside, the corresponding plugin for the selected LoRaWAN server needs to be installed in your Thinger.io instance.
+
+## Get Started
+
+### Installation
+
+Look for the plugin in the [Thinger.io Plugin Store](https://marketplace.thinger.io/) and install it in your Thinger.io instance. Once the plugin is installed a new Product will be created for this device.
+
+### Configuration
+
+The Product is already preconfigured, check that the auto provision prefix matches the one selected in your LoRaWAN server plugin in Thinger.io, or change it to your desire.
+
+### Usage
+
+Start sending uplinks for autoprovisioning devices and buckets. This product also provides a predefined dashboard and downlinks.
+
+## Additional Resources
+
+Milesight resources can be found at:
+
+- [Documentation](https://resource.milesight.com/milesight/iot/document/em410-rdl-datasheet-en.pdf)
+- [Thinger docs](https://docs.thinger.io)