Exploring the Potential of ESP32-MINI-1U-N4 in Industrial IoT Applications

The ESP32-MINI-1U-N4 is a highly integrated, small-sized Wi-Fi + Bluetooth + Bluetooth LE module that has a rich set of peripherals. It is built around the ESP32 series of SoC, featuring an Xtensa dual-core 32-bit LX6 microprocessor. This module is designed to be a versatile solution for various IoT applications, particularly in industrial settings where compactness and reliability are crucial.

Key Features

- CPU and On-Chip Memory: The module is equipped with an Xtensa dual-core 32-bit LX6 microprocessor, which can operate up to 240 MHz. It includes 448 KB ROM, 520 KB SRAM, and 16 KB SRAM in RTC.

- Communication: The ESP32-MINI-1U-N4 supports Wi-Fi (802.11b/g/n) with a bit rate of up to 150 Mbps, Bluetooth v4.2 + EDR, and Bluetooth LE. It also features a 2.4 GHz antenna connector.

- Peripherals: The module includes a variety of peripherals such as SD card, UART, SPI, SDIO, I2C, LED PWM, motor PWM, I2S, infrared remote controller, pulse counter, GPIO, touch sensor, ADC, DAC, Ethernet, and TWAI (compatible with ISO 11898-1, i.e., CAN Specification 2.0).

- Operating Conditions: The module operates within a voltage range of 3.0 to 3.6 V and an ambient temperature range of -40 to 85 °C for the 85 °C version and -40 to 105 °C for the 105 °C version.

Applications

The ESP32-MINI-1U-N4 is ideal for a wide range of IoT applications, including home automation, smart building, consumer electronics, and industrial control. Its compact size makes it suitable for applications within a small space, such as bulbs, switches, and sockets. The module's robust communication capabilities and extensive peripheral support make it an excellent choice for applications requiring high-speed data transfer and multiple interfaces.

Technical Details

- Dimensions: The module measures 13.2 × 13.5 × 2.4 mm.

- Chip Embedded: The module integrates the ESP32-U4WDH chip.

- Antenna Options: The ESP32-MINI-1U-N4 comes with an external antenna via a connector.

- Certification: The module complies with RF certification and green certification (REACH/RoHS).

Conclusion

The ESP32-MINI-1U-N4 is a powerful and versatile module that can be used in various industrial IoT applications. Its compact size, robust communication capabilities, and extensive peripheral support make it an excellent choice for applications requiring high-speed data transfer and multiple interfaces. The module's operating temperature range and voltage range ensure its reliability in different environments. With its rich set of peripherals and high performance, the ESP32-MINI-1U-N4 is poised to play a significant role in the development of industrial IoT solutions.

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