DESCRIÇÃO EM PORTUGUÊS BREVEMENTE DISPONÍVEL
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Features
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Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz
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Integrated 2.4GHz Wi-Fi and Bluetooth 5 (LE) dual-mode wireless communication, with superior RF performance
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High quality relay, contact rating: ≤10A 250VAC/30VDC
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Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors
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Onboard RTC chip, supports scheduled tasks
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Onboard USB Type-C port for power supply, firmware downloading and debugging
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Onboard power supply screw terminal, supports 5V power supply only
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Onboard optocoupler isolation to prevent interference from external high-voltage circuit
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Onboard digital isolation to prevent interference from external signal
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Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply is required for the isolated terminal
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Onboard RS485 TX/RX indicators for monitoring the operating status of the module
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Rail-mounted protective case, easy to install, safe to use
Specifications
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Microcontroller
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ESP32-S3 (Default module: ESP32-S3R8, customizable for other modules)
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Wireless communication
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2.4GHz WiFi (802.11 b/g/n, Bluetooth 5 (LE)
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USB
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Connector
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USB Type-C
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Power supply
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5V
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Functions
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Power supply, USB communication, firmware downloading, etc.
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ISOLATED RS485
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Connector
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Screw terminal
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Direction control
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Automatically controlled via main controller hardware flow settings
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Protection
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TVS diode, surge protection & ESD protection
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Resistor
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Onboard reserved 120R matching resistor, NC by default, enabled via jumper
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Relay
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Contact rating
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≤10A 250VAC/30VDC
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Relay channel
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1
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Contact form
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1 NO
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Isolation
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Optocoupler isolation
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LED indicators
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PWR indicator
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Red power indicator, lights up when there is USB connection and voltage is detected
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Relay indicator
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lights up when the Normally Open (NO) is closed
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RS485 indicator
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lights up green when the RS485 port sends data
lights up blue when the RS485 port receives data
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power supply Screw terminal
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Voltage range
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5V
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Appearance
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Enclosure
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Rail-mount protective case
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Dimensions
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91.6 × 23.3 × 58.7 (mm)
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Based on ESP32-S3, Designed for AIoT market
Equipped with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz, with Powerful AI Computing Performance and Security Encryption Mechanism; Integrated 2.4GHz Wi-Fi and Bluetooth 5 (LE) dual-mode wireless communication
Onboard multiple isolation protection circuits
Multiple protections, more safe and reliable
High quality 1-Ch relay, supports RS485 and Bluetooth / WIFi remote control
Contact rating of the onboard relay up to 10A 250VAC/30VDC
Directly controlling 220VAC home appliances, or devices below 30VDC
Supports Arduino development
Comprehensive SDK, Dev Resources, And Tutorials To Help You Easily Get Started
Application Example
Provides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization Service
Interface Description
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Top Terminal Block Description
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Bottom Terminal Block Description
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Power Supply Terminal
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Power positive: DC 5V
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RS485 Terminal
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A+ signal pin
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Power negative
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Type-C
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for power supply, firmware download, and USB communication
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B- signal pin
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SH1.0
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GND
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Ground (GND)
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Relay Terminal
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Relay COM
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3V3
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3.3V power output
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GPIO2
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ESP32-S3 IO pin
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Relay NO
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GPIO1
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ESP32-S3 IO pin
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What's On Board
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ESP32-S3
up to 240MHz operating frequency, with 2.4GHz WiFi and BLE
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DC-DC power module
supports up to 3.3V 2A output
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Pin header (2.0mm pitch)
for connecting to other functional modules
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Power supply screw terminal
supports DC 5V voltage input
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USB Type-C port
for module power supply, firmware downloading and USB communication
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RTC battery header
for connecting rechargeable RTC battery (SH1.0)
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Onboard ceramic antenna
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IPEX 1 connector
for connecting external antenna, enabled via resoldering an onboard resistor
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LED indicators
PWR: Power indicator
RELAY: Relay indicator, lights up when the Normally Open (NO) is closed
RS485: lights up green when the RS485 port sends data; lights up blue when the RS485 port receives data
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Optocoupler isolation
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Power supply isolation
Provides stable isolated voltage, no extra power supply is required for the isolated terminal
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ESP32 BOOT button
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ESP32 RESET button
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TVS diode
Effectively suppresses surge voltage and transient spike voltage in the circuit
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Quality relay
contact rating: ≤10A 250V AC or ≤10A 30V DC
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RS485 matching resistor
Onboard reserved 120R matching resistor, enabled via jumper
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RS485 and relay terminal
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PCF85063 RTC chip
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16MB Flash
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Digital isolation
prevents interference from external signal
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RS485 transceiver chip
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ME6217C33M5G
Low dropout regulator, 800mA output (Max.)
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Thicken track for large current
Enclosure Design
Protection Enclosure with 35mm rail-mount support, easy to install, safe to use
Outline dimensions
Package Content
Weight: 0.077 kg
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ESP32-S3-Relay-1CH x1
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SH1.0 4PIN cable ~150mm x1
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Screwdriver x1
2
3
