2-Channel Isolated RS485 Expansion HAT SC16IS752+SP3485 Solution Review for Raspberry Pi 4 - Review

Introduction to the 2-Channel Isolated RS485 Expansion HAT

The 2-Channel Isolated RS485 Expansion HAT by Howay is a versatile and high-performance add-on board designed specifically for Raspberry Pi 4 and other Raspberry Pi series boards. With a focus on robust connectivity and protection features, this HAT offers a reliable solution for users looking to expand the capabilities of their Raspberry Pi.

Enhanced Performance and Connectivity

One of the key highlights of this Expansion HAT is its utilization of the SC16IS752+SP3485 dual chip combination, which enables seamless conversion of SPI signals to RS485. This results in a data rate of up to 921600bps, ensuring high-speed and efficient data transmission between devices connected to the Raspberry Pi.

Comprehensive Protection Circuits

The onboard protection circuits set this Expansion HAT apart from others in the market. Equipped with TVS (Transient Voltage Suppressor) technology, this HAT effectively suppresses surge voltage and transient spike voltage in the circuit, offering lightning-proof and anti-electrostatic capabilities. Additionally, the auto-recovery fuse and protection diodes ensure stable current and voltage outputs, providing over-current and over-voltage protection that enhances the overall durability and reliability of the HAT.

User-Friendly Design and Flexibility

The user-friendly design of the 2-Channel Isolated RS485 Expansion HAT includes onboard LEDs that indicate power status and transceiver activity, allowing users to easily monitor the HAT's operation. Furthermore, breakout SPI control pins enable seamless connectivity with host control boards such as Arduino, expanding the compatibility and flexibility of the HAT for a wide range of projects and applications.

Conclusion

In conclusion, the 2-Channel Isolated RS485 Expansion HAT SC16IS752+SP3485 Solution by Howay offers a reliable and feature-rich solution for enhancing the connectivity and performance of Raspberry Pi 4 and other Raspberry Pi series boards. With its high-speed data transmission capabilities, comprehensive protection circuits, and user-friendly design, this Expansion HAT is a valuable addition to any Raspberry Pi enthusiast's toolkit.

2-Channel Isolated RS485 Expansion HAT SC16IS752+SP3485 Solution Review for Raspberry Pi 4

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