More options for controller now: FT232RNL or CH343GFT232RNL/CH343G USB TO RS232/485/TTL Interface Converter, Industrial IsolationIndustrial Grade Isolated USB ConverterUSB TO RS232/485/TTLStable transmission | Multiple devices applicable | Multi-OS compatibleFeatures At A GlanceAdopt original FT232RNL or CH343G inside, fast communicating, stable and reliable, better compatibilityOnboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminalOnboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumptionOnboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protectionOnboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performanceFully automatic transceiver circuit with no delay, ensures the USB port communicates with different interfaces fastly and stably, without interfering each otherOnboard TTL serial 3.3V/5V voltage translator, config the TTL level via switchAluminium alloy enclosure with sand blasting and anodic oxidation, CNC process opening, solid and durable3 LEDs for indicating the power and transceiver statusHigh quality USB-B and RS232 connectors, smoothly plug/pullVersion OptionFT232RNL VersionCH343G VersionSpecificationsPRODUCT TYPEIndustrial grade digital isolated converterUSBOperating voltage5VConnectorUSB-BProtection200mA self-recovery fuse, isolated outputRS232ConnectorDB9 maleProtectionTVS diode, surge protection & ESD protectionTransmission modePoint-to-pointBaud rateFT232RNL: 300bps ~ 921600 bpsCH343G: up to 600000 bps (not full band)RS485ConnectorScrew terminalPinsA+/B-/GNDDirection controlHardware automatically discriminates and controls the direction of data transmissionProtection600W lightningproof and surge-suppress, 15KV ESD protection (reserved 120R balancing resistor solder padsTransmission modePoint-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)Baud rateFT232RNL: 300bps ~ 2 MbpsCH343G: up to 2 Mbps (not full band)TTL (UART)Operating voltage3.3V / 5VConnectorScrew terminalPinsTXD, RXD, GND, 5VProtectionclamp protection diode, over-voltage/negative-voltage proof, shock proofTransmission modePoint-to-pointBaud rateFT232RNL: 300 bps ~ 2 MbpsCH343G: up to 2 Mbps (not full band)IndicatorsPWRRed power indicator, light up when there is USB connection and voltage is detectedTXDGreen TX indicator, light up when the USB port sends dataRXDBlue RX indicator, light up when the device ports send data backOperating environmentTemperature-15℃ ~ 70℃Humidity5%RH ~ 95%RHOperating systemMac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7Original Industrial Grade ChipOnboard original FT232 or CH343 chipFast communication, stable & reliable, better compatibilitySafer Isolated DesignOnboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminalOnboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumptionMulti-protocol & Multi-type ConversionUSB TO   RS232, RS485 or TTL(UART)RS232, RS485 or TTL(UART) TO   USB* only one of the RS232, RS485, and TTL can be converted to USB at the same time; And RS232, RS485, and TTL cannot be converted between each otherMultiple Protection, Safe And StableOnboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance.Multi system SupportSupports Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, etc.Pinout DefinitionWorking Status IndicatorsOnboard 3 LEDs for indicating the power and transceiver status Aluminium Alloy EnclosureAluminium alloy enclosure with sand blasting and anodic oxidationSolid and durable, fashion and good hand feelingInterface IntroductionOutline dimensionsResources & ServicesWIKI:www.waveshare.com/wiki/USB_TO_RS232/485/TTLWIKI:www.waveshare.com/wiki/USB_TO_RS232/485/TTL_(B)_* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.LieferumfangPackage ContainsOPTIONS USB Converter x1USB Cable ~1.2m x112

Industrial 6-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 control, Onboard RS485 / Pico HAT interfaces, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount CaseIndustrial 6-Ch ESP32-S3 WiFi Relay ModuleBased on ESP32-S3, Supports WiFi / Bluetooth, Onboard RS485 / Pico HAT interfacesBuilt-in protection circuits such as power isolation and optocoupler isolation, Safe & Stable & ReliableFeatures at a glanceBased on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHzIntegrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performanceHigh quality relay, contact rating: ≤10A 250VAC/30VDCOnboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensorsOnboard 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 debuggingOnboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applicationsOnboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relayOnboard digital isolation to prevent interference from external signalOnboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminalBuilt in buzzer, RGB colorful LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the moduleRail-mounted ABS case, easy to install, safe to useSpecificationsMicrocontrollerESP32-S3 (Default module: ESP32-S3-WROOM-1U-N16, customizable for other modules)Wireless communicatoin2.4GHz WiFi (802.11 b/g/n)、Bluetooth 5, BLEUSBConnectorUSB Type-CPower supply5VFunctionsPower supply, USB communication, firmware downloading, etc.ISOLATED RS485ConnectorScrew terminalDirection controlHardware automatic controlProtectionTVS diode, surge protection & ESD protectionResistorOnboard reserved 120R matching resistor, NC by default, enabled via jumperExpanded interfaceOnboard 40PIN header compatible with some Raspberry Pi Pico HAT, easy to expand other functions such as RTC / CAN / RS232 / LoRa / sensor, etcRelayContact rating≤10A 250VAC/30VDCRelay channels6Contact form1NO 1NCIsolationOptocoupler isolationLED indicatorsRGBRGB colorful LED, supports programmable control for display colorPWRRed power indicator, lights up when there is USB connection and voltage is detectedTXDGreen TX indicator, lights up when the RS485 port sends dataRXDBlue RX indicator, lights up when the device port sends data backpower supply Screw terminalVoltage range7~36VAppearanceEnclosureRail-mount ABS protective caseDimensions145 × 90 × 40mmBased on ESP32-S3, Designed for AIoT marketEquipped 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 LE dual-mode wireless communicationOnboard multiple isolation protection circuitMultiple protections, more safe and reliableHigh quality 6-Ch relays, supports RS485 and Bluetooth / WIFi remote controlContact rating of the onboard relay up to 10A 250VAC/30VDC Directly controlling 220VAC home appliances, or devices below 30VDCOnboard Pico HAT compatible interface and RS485 interface for easy expansionOnboard 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.Supports Arduino, Micropython developmentComprehensive SDK, Dev Resources, And Tutorials To Help You Easily Get StartedApplication ExamplesProvides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization ServiceWhat's On BoardESP32-S3 up to 240MHz operating frequency, with 2.4GHz WiFi and BLE 6-channel quality relayscontact rating per channel: ≤10A 250V AC or ≤10A 30V DCOptocoupler isolationprevents interference from external high-voltage circuit connected to the relayDigital isolationprevents interference from external signalPower supply isolationprovides stable isolated voltage, needs no extra power supply for the isolated terminalTVS diodeeffectively suppresses surge voltage and transient spike voltage in the circuitCeramic gas discharge tubeRelay screw terminals for connecting with user devices40PIN Raspberry Pi Pico HAT headerRS485 bus interface for connecting to external RS485 devicesPower supply screw terminalSupports DC 7~36V wide voltage inputLED indicators PWR: power indicator RXD: RS485 RX indicator TXD: RS485 TX indicatorWS2812 RGB LED controllable via GPIO38USB Type-C connector for module power supply, firmware downloading and USB communication Passive buzzersound frequency is controllable via GPIO21ESP32 RESET buttonESP32 BOOT buttonExternal antenna connector SMA female connector, for WiFi and Bluetooth wireless communicationRS485 matching resistor jumperOnboard reserved 120R matching resistor, enabled via jumperRelays default control pin settingEnclosure DesignProtection Enclosure with 35mm rail-mount support, easy to install, safe to useOutline dimensionsSupport Batch CustomizationSupport software and hardware customizationIncluding hardware interface, LOGO, label, case and web page, etc.Resources & ServicesWiki:www.waveshare.com/wiki/ESP32-S3-Relay-6CHLieferumfangESP32-S3-Relay-6CH x12.4G 4DB SMA antenna x1Screwdriver x1