Droid Technologies LLCClaimed by Official Representatives

Droid Technologies designed and developed a smart home IoT gateway that connects local sensors, actuators, and automation devices with cloud services through multiple wireless communication protocols.

The gateway supports Sub-GHz communication with a custom RF protocol for reliable long-range connectivity with distributed smart home nodes. Bluetooth Low Energy (BLE) is used to communicate with local devices such as temperature and humidity sensors, smart dampers, and other wireless peripherals.

For cloud connectivity, the gateway uses Wi-Fi with secure MQTT and HTTPS communication, enabling integration with AWS cloud services for remote monitoring, device control, telemetry, and automation.

Droid Technologies delivered hardware design, PCB development, embedded firmware, RF integration, wireless protocol development, cloud connectivity, and complete system integration.

Key features and engineering scope:

• Smart home and IoT gateway architecture

• Sub-GHz RF with custom communication protocol

• Bluetooth Low Energy (BLE)

• Wi-Fi connectivity

• Secure MQTT and HTTPS communication

• AWS cloud integration

• Temperature and humidity sensor connectivity

• Smart damper and actuator control

• Local-to-cloud data routing

• Custom PCB and hardware design

• Embedded firmware development

• RF and wireless system integration

This project demonstrates Droid Technologies’ expertise in smart home gateway development, IoT hardware, Sub-GHz wireless systems, BLE development, Wi-Fi devices, AWS-connected embedded systems, custom RF protocols, and home automation electronics.

Droid Technologies provides hardware design services, firmware development services, PCB design, embedded systems development, IoT development, RF engineering, cloud integration, mechanical design services, prototyping, and full-cycle electronic product development.

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.

Droid Technologies designed and developed a smart solar-powered camping lantern with smartphone control, USB-C Power Delivery, solar charging, motion sensing, and power-bank functionality.

The device is based on the Nordic nRF52840 and uses Bluetooth Low Energy (BLE) for smartphone control of light brightness and color. The lantern can be charged through USB-C PD or an integrated solar panel, while the internal battery can also charge external devices through USB-C.

Droid Technologies provided hardware design services, firmware development, PCB design, power electronics, BLE integration, USB-C PD implementation, battery management, solar charging electronics, motion sensor integration, and LED driver development.

Key features:

• Nordic nRF52840 MCU

• BLE smartphone control

• Adjustable brightness and color

• USB-C PD input and output

• Integrated solar charging

• Power-bank functionality

• Motion sensor

• Battery management and protection

• LED driver electronics

• Custom PCB and embedded firmware

This project demonstrates Droid Technologies’ expertise in smart lighting development, Nordic nRF52 firmware, BLE devices, USB-C Power Delivery, battery-powered electronics, solar-powered embedded systems, power management, and connected consumer electronics.

Droid Technologies provides hardware design services, firmware development services, PCB design, embedded systems development, power electronics, IoT development, mechanical design services, prototyping, and full-cycle electronic product development.