{"product_id":"esp32-s3-rs485-can","title":"Industrial ESP32-S3 Board with RS485 \u0026 CAN Bus","description":"\u003cdiv style=\"margin-bottom: 25px;\" class=\"product-description-section\"\u003e\n  \u003ch3 style=\"font-size: 1.3em; font-weight: bold; border-left: 4px solid #2c3e50; padding-left: 8px; margin-bottom: 12px; color: #2c3e50;\"\u003eOverview\u003c\/h3\u003e\n  \u003cp style=\"line-height: 1.6; color: #333333;\"\u003eThe \u003cstrong\u003eESP32-S3 Industrial Control Board\u003c\/strong\u003e is an industrial-oriented mainboard purpose-built for AIoT, industrial automation, and fieldbus application scenarios. Powered by the high-performance ESP32-S3 chip, it integrates fully isolated RS485 and CAN interfaces, dual-mode 2.4GHz Wi-Fi + Bluetooth 5 (LE) connectivity, and multi-layer circuit protection.\u003c\/p\u003e\n  \u003cp style=\"line-height: 1.6; color: #333333; margin-top: 10px;\"\u003eHoused in a standard DIN rail-mount enclosure and supporting a 7–36V wide-voltage power input, it delivers a stable, robust, and plug-and-play solution for Modbus networking, CAN device control, remote sensor monitoring, and edge IoT deployments.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 25px;\" class=\"product-description-section\"\u003e\n  \u003ch3 style=\"font-size: 1.3em; font-weight: bold; border-left: 4px solid #2c3e50; padding-left: 8px; margin-bottom: 15px; color: #2c3e50;\"\u003eKey Features\u003c\/h3\u003e\n  \n  \u003ch4 style=\"font-size: 1.1em; font-weight: bold; color: #34495e; margin: 15px 0 5px 0;\"\u003e🚀 High-Performance ESP32-S3 Platform\u003c\/h4\u003e\n  \u003cul style=\"padding-left: 20px; line-height: 1.6; color: #333333;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual-Core Processing:\u003c\/strong\u003e Powered by the Xtensa 32-bit LX7 dual-core processor running at up to 240MHz, equipped with 16MB Flash.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOnboard RTC:\u003c\/strong\u003e Features a PCF85063 real-time clock chip for precise scheduled tasks \u003cem\u003e(requires an external backup battery for power-off time retention)\u003c\/em\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual-Mode Wireless:\u003c\/strong\u003e Supports 2.4GHz Wi-Fi (802.11b\/g\/n) and Bluetooth 5 (LE). Includes an onboard ceramic antenna plus a reserved IPEX 1 connector (antenna selection via resistor configuration).\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4 style=\"font-size: 1.1em; font-weight: bold; color: #34495e; margin: 15px 0 5px 0;\"\u003e🌐 Industrial Isolated Bus Interfaces\u003c\/h4\u003e\n  \u003cul style=\"padding-left: 20px; line-height: 1.6; color: #333333;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIsolated RS485 Port:\u003c\/strong\u003e Screw terminal connection featuring hardware automatic flow control, TVS surge protection, and ESD protection. Includes an onboard 120Ω terminal resistor (NC by default, enabled via jumper).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIsolated CAN Port:\u003c\/strong\u003e Screw terminal connection featuring hardware automatic direction control, TVS surge protection, and ESD protection. Includes an onboard 120Ω terminal resistor (NC by default, enabled via jumper).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual Isolation Guard:\u003c\/strong\u003e Combines digital and power isolation to effectively block signal interference and protect the core MCU.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4 style=\"font-size: 1.1em; font-weight: bold; color: #34495e; margin: 15px 0 5px 0;\"\u003e⚡ Industrial Power \u0026amp; Mechanical Design\u003c\/h4\u003e\n  \u003cul style=\"padding-left: 20px; line-height: 1.6; color: #333333;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlexible Dual Power Options:\u003c\/strong\u003e Powered via USB Type-C (5V DC) or screw terminal input (7–36V DC wide voltage) for easy integration into industrial control systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDIN Rail-Mount Case:\u003c\/strong\u003e Standard DIN rail ABS housing allows quick, tool-free installation into standard electrical cabinets. Compact footprint: 91.6 × 23.3 × 58.7 mm.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReal-Time LED Status:\u003c\/strong\u003e Features clear diagnostic LEDs for PWR (Red), RS485 TX (Green), RS485 RX (Blue), and CAN (Blinking during transmission) for effortless field debugging.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4 style=\"font-size: 1.1em; font-weight: bold; color: #34495e; margin: 15px 0 5px 0;\"\u003e🛠️ Developer-Friendly Ecosystem\u003c\/h4\u003e\n  \u003cul style=\"padding-left: 20px; line-height: 1.6; color: #333333;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBroad Framework Support:\u003c\/strong\u003e Officially supports Arduino IDE, fully compatible with ESP-IDF, MicroPython, and other mainstream ESP32-S3 platforms.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRich Expansion Capabilities:\u003c\/strong\u003e Onboard 2.54mm GPIO header and SH1.0 4-pin expansion port for custom sensors and peripherals.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConvenient Programming:\u003c\/strong\u003e Onboard BOOT and RESET buttons for easy firmware flashing and debugging.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-description-section\" style=\"margin-bottom: 25px; margin-top: 25px;\"\u003e\n  \u003ch3 style=\"font-size: 1.3em; font-weight: bold; border-left: 4px solid #2c3e50; padding-left: 8px; margin-bottom: 15px; color: #2c3e50;\"\u003eImportant Operating \u0026amp; Safety Notes\u003c\/h3\u003e\n  \u003cdiv class=\"power-warning-box\" style=\"background-color: #fff0f0; border-left: 4px solid #e74c3c; padding: 15px; margin-bottom: 15px; border-radius: 4px;\"\u003e\n    \u003cp style=\"margin: 0 0 8px 0; font-size: 14px; line-height: 1.5; color: #c0392b; font-weight: bold;\"\u003e⚠️ IMPORTANT OPERATING \u0026amp; WIRING WARNINGS:\u003c\/p\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 13px; line-height: 1.5; color: #c0392b;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTerminal Voltage Limit:\u003c\/strong\u003e The 7–36V DC wide-voltage rating applies strictly to the screw terminal input. The USB Type-C port supports 5V DC ONLY. Applying high voltage to the Type-C port will cause permanent damage!\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTerminal Resistors:\u003c\/strong\u003e Onboard 120Ω terminal resistors for RS485 and CAN are disconnected by default. Enable them via jumpers only when end-of-line bus matching is required.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eProfessional Integration:\u003c\/strong\u003e This module is intended for industrial integration and electronics development. Professional technical knowledge is required for wiring, bus parameter setup, and debugging.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBus Wiring Safety:\u003c\/strong\u003e Improper CAN bus wiring or configuration may cause communication errors or equipment damage. Always follow standard fieldbus installation guidelines.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 25px;\" class=\"product-description-section\"\u003e\n  \u003ch3 style=\"font-size: 1.3em; font-weight: bold; border-left: 4px solid #2c3e50; padding-left: 8px; margin-bottom: 15px; color: #2c3e50;\"\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 14px; color: #333333;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n        \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; font-weight: bold; width: 35%;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"border: 1px solid #e0e0e0; padding: 10px; text-align: left; font-weight: bold;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eMicrocontroller\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eESP32-S3 (Default: ESP32-S3R8 module, customizable)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eCPU Core\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eXtensa 32-bit LX7 dual-core, up to 240MHz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e16MB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eReal-Time Clock\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003ePCF85063 (External backup battery required for power-off timekeeping)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eWireless Connectivity\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e2.4GHz Wi-Fi (802.11b\/g\/n) + Bluetooth 5 (LE)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eAntenna Options\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eOnboard ceramic antenna + IPEX 1 connector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eUSB Interface\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eUSB Type-C (5V DC power input, firmware flashing, USB communication)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eIsolated RS485 Port\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eScrew terminal; hardware auto flow control; TVS\/Surge\/ESD protection; 120Ω resistor (NC default)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eIsolated CAN Port\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eScrew terminal; hardware auto direction control; TVS\/Surge\/ESD protection; 120Ω resistor (NC default)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003ePower Input Options\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e5V DC (USB Type-C) \/ 7–36V DC (Screw Terminal)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003ePWR (Red), RS485 TX (Green), RS485 RX (Blue), CAN (Blinking on transmission)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eExpansion Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e2.54mm GPIO header + SH1.0 4-pin connector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eEnclosure \u0026amp; Mounting\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eDIN rail-mount ABS enclosure (91.6 × 23.3 × 58.7 mm)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #fdfdfd;\"\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e\u003cstrong\u003eSupported Frameworks\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eArduino IDE (Official), ESP-IDF, MicroPython, etc.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-description-section\" style=\"margin-bottom: 25px; margin-top: 25px;\"\u003e\n  \u003ch3 style=\"font-size: 1.3em; font-weight: bold; border-left: 4px solid #2c3e50; padding-left: 8px; margin-bottom: 12px; color: #2c3e50;\"\u003ePacking List\u003c\/h3\u003e\n  \u003cul style=\"padding-left: 20px; line-height: 1.6; color: #333333; list-style-type: disc;\"\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Industrial ESP32-S3 RS485 CAN Control Board (with DIN Rail Enclosure)\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e SH1.0 4-Pin Cable (150mm)\u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Screwdriver\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Geekworm","offers":[{"title":"Default Title","offer_id":67572860518713,"sku":"100900","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0068\/8481\/9002\/files\/ESP32-S3-RS485-CAN-01.jpg?v=1790752360","url":"https:\/\/geekworm.com\/products\/esp32-s3-rs485-can","provider":"Geekworm","version":"1.0","type":"link"}