Adafruit has announced the availability of the ESP32-S2 WROOM Module with PCB Antenna equipped with 4 MB flash and available to purchase priced at just $3.25. The new module is the single-core 240 MHz chip so it won’t be as fast as ESP32’s with dual-core. “The ESP8266 started a small revolution by bringing WiFi to a small and cheap package that also had enough processing power and enough pins to get small things done,” explains Adafruit.
“The ESP32-S2 is a highly-integrated, low-power, 2.4 GHz Wi-Fi System-on-Chip (SoC) solution that now has built-in native USB as well as some other interesting new technologies like Time of Flight distance measurements. With its state-of-the-art power and RF performance, this SoC is an ideal choice for a wide variety of application scenarios relating to the Internet of Things (IoT), wearable electronics, and smart homes.”
Key Features and Benefits
The ESP32-S2 WROOM Module is designed to offer a balance between performance and cost, making it an attractive option for developers and hobbyists alike. One of the standout features of this module is its built-in native USB support, which simplifies the process of connecting peripherals and other devices. This is particularly useful for applications that require USB connectivity, such as data logging, USB-to-serial converters, and more.
Another notable feature is the Time of Flight (ToF) distance measurement capability. This technology allows the module to measure the distance between objects with high precision, making it ideal for applications in robotics, automation, and even augmented reality. The ToF feature can be used to create more responsive and interactive systems, enhancing the user experience.
Applications and Use Cases
The ESP32-S2 WROOM Module is versatile and can be used in a wide range of applications. In the realm of IoT, it can serve as the backbone for smart home devices, enabling seamless communication between various sensors and actuators. For example, it can be used in smart lighting systems to control the intensity and color of lights based on user preferences or environmental conditions.
In wearable electronics, the module’s low power consumption is a significant advantage. It can be used in fitness trackers, smartwatches, and other wearable devices that require efficient power management to extend battery life. The built-in Wi-Fi capability ensures that these devices can stay connected to the internet, providing real-time updates and notifications.
The module is also well-suited for industrial applications. Its robust performance and reliability make it an excellent choice for monitoring and controlling industrial equipment. For instance, it can be used in predictive maintenance systems to monitor the health of machinery and predict potential failures before they occur, thereby reducing downtime and maintenance costs.
Specifications of the ESP32-S2 WROOM Module include:
– ESP32-S2 embedded, Xtensa single-core 32-bit
– LX7 microprocessor, up to 240 MHz
– 128 KB ROM
– 320 KB SRAM
– 16 KB SRAM in RTC
In addition to these specifications, the module also supports a variety of communication protocols, including SPI, I2C, and UART, making it highly adaptable to different project requirements. The 4 MB flash memory provides ample storage for firmware and application code, ensuring that developers have the flexibility to implement complex functionalities.
Overall, the ESP32-S2 WROOM Module is a powerful and cost-effective solution for a wide range of applications. Its combination of advanced features, low power consumption, and robust performance makes it an ideal choice for developers looking to create innovative and efficient systems.
Source : Adafruit
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