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Custom hardware and software development kit for smart home remote control

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In a nutshell

In this case study, we will explore the project undertaken by the engineering team at needCode to develop a Software Development Kit (SDK) for pilots. The goal was to enable customers to download a pre-built SDK, allowing them to design their own pilot with ease. The primary focus of the project was on the hardware aspect, particularly the creation of a chip that supports both Bluetooth and ZigBee technologies. The key objective was to achieve BLE pairing and button testing functionality for the pilots.

Project overview

Project Duration:

07.2022- 11.2022

Team Setup:

2 x Embedded Software Engineers

Technology:

BLE, ZigBee, C, python

Client Requirements

The client required a comprehensive SDK that would facilitate the creation of custom pilots. The SDK needed to include a chip for remote control, supporting Bluetooth and ZigBee technologies. Additionally, an API needed to be developed, seamlessly integrating the hardware components, and a demonstration application was to be created to showcase the SDK’s capabilities.

Project Scope

The project’s scope was created to achieve the following objectives:

Developing a versatile chip that can serve as the core of the remote control, supporting both Bluetooth and ZigBee protocols.
Designing and implementing an API to efficiently combine the hardware components and provide a user-friendly interface for the customers.
Creating a demonstration application that showcases the functionality of the SDK, particularly focusing on BLE pairing and button testing.
Providing the client with an evaluation board, pre-equipped with the necessary hardware, to enable the development of custom applications for remote control across various devices such as TV and projectors.

Approach

To meet the client’s requirements and achieve the project’s objectives, the needCode engineering team adopted the following approach:

Conducted a thorough analysis of the client’s needs and expectations for the SDK.
Researched and selected suitable hardware components for the chip, ensuring compatibility with both Bluetooth and ZigBee protocols.
Collaborated closely with hardware and software engineers to integrate the selected components effectively.
Implemented robust BLE pairing and button testing functionalities through meticulous software development.
Designed an intuitive and well-documented API to simplify the process of custom pilot design for the customers.
Rigorously tested the SDK, evaluating its performance, reliability, and compatibility with various devices.
Provided the client with an evaluation board containing the SDK and necessary hardware for seamless application development.

Challenges and Goals

The project encountered several challenges throughout its execution, including:

Ensuring seamless integration of Bluetooth and ZigBee technologies within a single chip.
Developing a reliable and secure BLE pairing mechanism for enhanced user experience.
Addressing compatibility issues with different devices and manufacturers in the demonstration application.
Balancing the need for a flexible API with a user-friendly interface for customers with varying levels of technical expertise.

Results and Achievements

The needCode engineering team successfully delivered the SDK for pilots, meeting the client’s expectations and project objectives. Key results and achievements include:

The development of a powerful and versatile chip supporting both Bluetooth and ZigBee technologies, functioning as the core of the remote control.
Creation of a well-documented API that allows customers to easily design their custom pilots, with ample hardware support.
The demonstration application showcased the SDK’s BLE pairing and button testing capabilities effectively.
The evaluation board provided to the client facilitated the development of diverse remote control applications for various devices.

Conclusion

The successful development of the SDK for pilots highlighted needCode’s expertise in hardware and software integration. By delivering a powerful chip with Bluetooth and ZigBee support, an intuitive API, and a functional demonstration application, needCode empowered its client to design and create custom remote controls efficiently.