Droid Technologies LLC

The smart home gateway is a central hub designed to connect and manage various smart devices using multiple communication protocols. It acts as a bridge between local smart sensors and cloud services, ensuring seamless data exchange and control.

Key Features:

Sub-GHz + Custom Protocol  Enables reliable long-range communication with external smart home nodes.
BLE (Bluetooth Low Energy) RF Protocols support wireless connectivity for devices such as temperature sensors, humidity sensors, and dampers.
Wi-Fi (MQTT/HTTP + SSL)  Provides secure communication with cloud platforms, including AWS, for remote monitoring and control.
This gateway serves as the core of a smart home ecosystem, facilitating efficient communication between local sensors and the cloud, enhancing automation, and ensuring secure data transmission.

This system consists of two high-power electronic boards designed for use in a blender with a 1.5 kW PMSM (Permanent Magnet Synchronous Motor). These boards work together to provide precise motor control, ensuring efficient and powerful blending performance. One of the boards functions as the power controller, managing the power supply and conversion, while the other is responsible for motor control, optimizing speed, torque, and efficiency. The system also includes a power factor corrector (PFC), which improves energy efficiency, reduces harmonic distortion, and ensures stable operation even under varying loads. By leveraging advanced power electronics, these boards enable smooth motor operation, high-speed blending, and optimal energy use, making the system ideal for commercial and high-performance kitchen appliances.

The device utilizes radar technology to measure the speed of cars on roads, perform vehicle-related calculations, and monitor meteorological parameters. It processes all collected data and transmits it to the cloud over LTE Cat 1, ensuring real-time data availability for analysis and monitoring.

The latest revision of the device includes a simple camera, which captures periodic photos to provide additional visual context, enhancing its capabilities for traffic monitoring, weather assessment, and road safety applications.

Additionally, the device features a display with a touchscreen interface, allowing users to easily interact with the system, configure settings, and view real-time data directly on the device.

The device serves as the motherboard for a high-power charging station, managing power distribution efficiently between connected devices. It ensures full power management and facilitates seamless communication with the cloud through multiple connectivity options, including Ethernet, Wi-Fi, LTE, and NB-IoT.

The system is powered by an NXP i.MX8 MPU (Microprocessor Unit), providing high-performance processing capabilities, and utilizes DDR4 memory for fast and efficient operation. Additionally, the device is equipped with four Ethernet ports with PoE (Power over Ethernet), allowing it to power external devices while maintaining a stable network connection.

This combination of advanced power management, high-speed computing, and extensive connectivity makes it an ideal solution for smart charging infrastructure and remote management applications.

The radar is built on the IWR6843AOP platform, which enables real-time object detection and data processing. It performs on-board calculations to identify and track objects, then transmits the processed information to the cloud via Wi-Fi, ensuring seamless remote monitoring and data accessibility.

Additionally, the system supports Bluetooth Low Energy (BLE) configuration, allowing users to conveniently adjust settings and parameters from a mobile phone. This feature enhances flexibility and ease of use, making it suitable for various applications, including industrial automation, security, and smart environments.

The smart development kit is a versatile platform designed for prototyping and testing various smart applications. It includes a comprehensive set of components, making it suitable for connectivity, sensing, and user interaction. The kit consists of the following key parts: LTE Modem (Quectel EG91) Provides cellular connectivity for real-time data transmission. nRF52 BLE MCU A low-power Bluetooth microcontroller for wireless communication. IMU-6 sensors enable motion tracking and orientation detection. Heart rate sensor Monitors biometric data for health-related applications. Wireless charging allows convenient, cable-free power replenishment. An external small display provides a visual interface for data and user interactions. LPDDR3 memory: High-speed memory for efficient data processing. eMMC 8GB storage Built-in non-volatile memory for storing applications and logs. Speaker & Microphone Supports audio input and output for voice commands or notifications. This development kit is ideal for creating and testing smart wearable devices, IoT solutions, and advanced communication systems, offering seamless integration of wireless connectivity, sensing, and user interaction.

The device, a remote-controlled car controller with a display and touchscreen, is a concept prototype designed to showcase car control via both wired connections and Bluetooth Low Energy (BLE). This demonstration unit was developed to illustrate the feasibility of such a control system. It includes: Hardware design, Custom-built electronics to support both wired and wireless control, firmware development Software enabling seamless communication between the controller and the car. Enclosure design thoughtfully crafted housing to integrate the touchscreen and display for an intuitive user experience. The device serves as a proof of concept, demonstrating how a car can be operated through different communication methods. By incorporating both wired and BLE control, it provides flexibility in interaction, allowing for further exploration and potential real-world applications.

The device is a custom indoor tracking system designed to enable precise real-time location tracking of individuals or objects within a building. It leverages Ultra-Wideband (UWB) technology with two antennas, which are used for triangulation, allowing the system to accurately calculate both distance and angle between tracked devices.

For seamless user interaction, the device integrates Bluetooth Low Energy (BLE) to communicate with a smartphone and provide visual tracking data via a dedicated mobile app. This enhances usability by allowing real-time monitoring and location updates directly on the user's device.

To further improve tracking accuracy and motion analysis, the system includes an accelerometer and a gyroscope, which capture movement dynamics. These sensors work together with Kalman filtering, a powerful algorithm that stabilizes and refines the tracking data, ensuring smooth, reliable, and accurate motion tracking even in complex indoor environments.

This combination of UWB positioning, BLE connectivity, and advanced motion stabilization makes the device ideal for applications such as asset tracking, indoor navigation, personnel monitoring, and security solutions.