Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz; Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performance. High quality relay, contact rating: 10A 250VAC/30VDC; Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors; Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC / CAN / RS232 / LoRa / sensor, etc.; Onboard USB Type-C port for power supply, firmware downloading and debugging. Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications; Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay. Onboard digital isolation to prevent interference from external signal; Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal; Built in buzzer, RGB colorful LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the module. Rail-mounted ABS case, easy to install, safe to use
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First Listed on Newegg
June 17, 2026
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