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Introducing G-Knob: The Smart Home Controller Powered by ESP32-S3


New G-Knob smart switch from Geeklink based on the Espressif ESP32-S3

The Future of Smart Home Control

Geeklink, a company renowned for its innovative smart home solutions, has launched its latest product: G-Knob Smart Home Controller. Designed as an intuitive, all-in-one control interface, G-Knob Smart Home Controller with ESP32-S3 simplifies the way users interact with their connected home devices. Featuring a stylish round screen, an aluminium knob, and four physical buttons, G-Knob provides effortless management of smart-home lights, air conditioners, and various other IoT devices that operate via sensors or motors.


Beyond its elegant design, G-Knob Smart Home Controller stands out with its robust connectivity options, including Bluetooth 5 (LE) and Bluetooth Mesh, enabling seamless control over a wide range of BLE Mesh smart home devices such as infrared controllers, sensors, motors, and PIR detectors. Additionally, its ambient light sensor enhances automation by adjusting device settings based on real-time environmental changes. One of the most user-friendly features of G-Knob with ESP32-S3 is its ability to automatically detect and display nearby devices, requiring only a single button press for connection.


Graphic showing the control capability of the G-Knob

Why ESP32-S3 is the Perfect Fit for G-Knob Smart Home Controller

At the heart of G-Knob Smart Home Controller is the ESP32-S3, a powerful Wi-Fi and Bluetooth Low Energy (LE) SoC developed by Espressif Systems. Known for its efficiency and security, the ESP32-S3 smart home processor brings a wealth of features that make it the ideal choice for an advanced IoT controller like G-Knob.


Key Advantages of ESP32-S3 for Smart Home Automation

  • Dual-Core 32-bit LX7 Processor: Provides robust performance while maintaining energy efficiency.

  • Wi-Fi & Bluetooth LE Integration: Supports 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE & Mesh), ensuring fast and stable wireless communication.

  • Advanced Security: Features AES-XTS flash encryption, RSA-based secure boot, and HMAC authentication, crucial for secure IoT device interactions.

  • Ultra-Low Power Modes: Optimized for low-power smart home devices, enabling extended battery life.

  • Rich Peripheral Interfaces: Includes SPI, I2C, I2S, UART, and USB OTG, allowing seamless integration with various sensors, displays, and accessories.


Graphic showing the G-Knob smart home ecosystem

A Successful Crowdfunding Journey

G-Knob Smart Home Controller with ESP32-S3 has already made waves in the smart home industry, securing a successful Kickstarter campaign that led to the first worldwide product shipments in September 2023. This enthusiastic market response highlights the demand for intuitive, high-performance smart home controllers powered by ESP32-S3.


If you're interested in learning more about ESP32-S3 for smart home automation, contact Ineltek for more details, samples, pricing and EVKs. In the meantime you can take a look at Espressif’s ESP32-S3 documentation here.


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