Waveshare 6-Channel ESP32-S3 WiFi Relay Module with Onboard RS485 Pico HAT Interfaces
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The Industrial 6-Channel ESP32-S3 WiFi Relay Module is a powerful automation control board designed for both students and professionals working on smart home or industrial projects. At its heart is the ESP32-S3 chip with a dual-core 240MHz CPU, 512KB SRAM, and 2.4GHz WiFi + Bluetooth 5 connectivity, making it perfect for IoT applications.
The board features 6 high-quality relays, each capable of handling loads up to 10A at 250VAC, suitable for controlling lights, motors, pumps, and other electrical equipment. What makes this module stand out is its versatility - you can control the relays through WiFi, Bluetooth, RS485 protocol, or even manually using the onboard push buttons, giving you multiple options based on your specific needs.
This relay module is designed with education and practical applications in mind, featuring a Raspberry Pi Pico HAT interface that allows easy connection with Raspberry Pi boards. The onboard RS485 interface comes with surge protection, making it suitable for industrial environments where communication reliability is crucial.
For beginners, the board is fully compatible with Arduino IDE, allowing for simple programming and customization. Each relay has its own status indicator LED, and the module includes clear terminal blocks for easy wiring.
Whether you're a student learning about automation systems, an electronics shop owner selling IoT components, or an engineer working on industrial control projects, this ESP32-S3 Relay Module provides a reliable and flexible solution for your control requirements.
| Feature | Description |
|---|---|
| Microcontroller | ESP32-S3 (Default module: ESP32-S3-WROOM-1U-N8, customizable for other modules) |
| Wireless Communication | 2.4GHz WiFi (802.11 b/g/n), Bluetooth 5, BLE |
| USB Connector | USB Type-C (Power supply, USB communication, firmware downloading, etc.) |
| Power Supply (USB) | 5V |
| ISOLATED RS485 |
Connector: Screw terminal Direction Control: Hardware automatic control Protection: TVS diode, surge protection & ESD protection Resistor: Onboard reserved 120? matching resistor, NC by default, enabled via jumper |
| Expanded Interface | Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, easy to expand other functions such as RTC / CAN / RS232 / LoRa / sensor, etc. |
| Relay Output |
Contact Rating: ?10A 250VAC/30VDC Relay Channels: 6 Contact Form: 1NO 1NC Isolation: Optocoupler isolation |
| LED Indicators |
RGB: RGB colorful LED, supports programmable control for display color PWR: Red power indicator, lights up when USB connection and voltage is detected TXD: Green TX indicator, lights up when the RS485 port sends data RXD: Blue RX indicator, lights up when the device port sends data back |
| Power Supply (Screw Terminal) | Voltage range: 7~36V |
| Appearance | Rail-mount ABS protective case |
| Weight | 231 gm |
| Dimensions (L x W x H) | 14.4 x 9 x 4 cm |
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
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