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Green rectangular circuit board inside grey DIN-rail ABS enclosure, six black relay modules, USB-C port, screw terminals

KEHIPI

KEHIPI ESP32-S3 6-Channel Relay Development Board

SKU CH-700E-DVZG3

Six-channel relay board with ESP32-S3 dual-core processor, 2.4GHz Wi-Fi and Bluetooth LE, isolated RS485, Pico HAT header, 7-36V input, optocoupler and power isolation.

  • Dual-core 240 MHz processor handles demanding IoT logic
  • Wi-Fi and Bluetooth LE give wireless control from anywhere
  • Six 10 A 250 VAC relays switch mains loads safely
  • Isolated RS-485 and 40-pin Pico header expand industrial connectivity
  • 7–36 V screw terminal and USB-C simplify power and debugging

Six-channel relay board for industrial IoT

The KEHIPI ESP32-S3 module provides six independent relay outputs rated at 10A 250VAC or 30VDC. It is built for makers and engineers who need to switch mains or low-voltage loads from a compact, rail-mountable enclosure.

Isolated RS485 interface for Modbus networks

An onboard isolated RS485 port connects directly to industrial sensors or Modbus devices without extra wiring. The same board also exposes a 40-pin header that accepts compatible Raspberry Pi Pico HATs for functions such as RTC, CAN, RS232 or LoRa expansion.

Wide 7–36 V supply with full galvanic isolation

The screw-terminal input accepts 7 to 36 V and feeds onboard unibody power isolation, so the relay and logic sides stay separated without an external supply. Optocoupler and digital isolation protect the ESP32-S3 core from high-voltage transients, while a USB Type-C port handles programming and debug. Buzzer, RGB LED and status indicators give immediate visual feedback. Not suited for applications needing more than six switched circuits or voltage ratings beyond 250 VAC.

Points forts

  • Dual-core 240 MHz processor handles demanding IoT logic
  • Wi-Fi and Bluetooth LE give wireless control from anywhere
  • Six 10 A 250 VAC relays switch mains loads safely
  • Isolated RS-485 and 40-pin Pico header expand industrial connectivity
  • 7–36 V screw terminal and USB-C simplify power and debugging

Caractéristiques

Brandwaveshare
ModelESP32 S3
Part NumberESP32-S3-Relay-6CH

Questions sur cet article

How much mains current can each relay channel actually switch?

Each of the six channels is rated for 10 A at 250 VAC or 30 VDC, so it can handle typical lighting, heater or motor loads within those limits.

What does the isolated RS485 port let me connect in practice?

The port provides a galvanically isolated Modbus RTU link, allowing reliable communication with industrial sensors, meters or PLCs over long cable runs without ground-loop issues.

What mounting options does the board include for a control cabinet?

The module ships in a rail-mountable ABS enclosure that clips onto standard DIN rails, and it also exposes a 40-pin header compatible with Raspberry Pi Pico HATs for additional expansion.

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