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ESP32 RS485 Modbus, 4 Relay Modules, 4 Optocouplers | WiFi Bluetooth Type-C CH340 9-24V DC for Arduino IDE Industrial Automation

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New $29.99 (tax included) Number of stocks: 1

Used $12.00 (tax included) New Arrivals and Restocks Number in stock: 1

$17.99 cheaper than the new price!!

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New $29.99

Management number	247608917	Release Date	2026/08/16	List Price	$12.00	Model Number	247608917
Category	Industrial & Scientific Industrial Electrical Optoelectronic Products Optocouplers

ESP32 WIFI BLUETOOTH MODULE: Powered by ESP32 microcontroller with integrated WiFi and Bluetooth for wireless remote control and data exchange in industrial and IoT applications
RS485 MODBUS PROTOCOL SUPPORT: Features RS485 and USART interfaces with Modbus RTU protocol for seamless integration into industrial automation and control systems
4 CHANNEL OPTOCOUPLER RELAY: Four optocoupler-isolated relay channels rated 40A 24V with NO COM NC terminals ensuring reliable switching and strong anti-interference protection
TYPE-C WITH CH340 CHIP: Built-in CH340 serial chip and Type-C interface enable one-click firmware upload to the ESP32 via Arduino IDE or PlatformIO
9-24V WIDE VOLTAGE INPUT: Accepts DC 9-24V power supply with 93mm x 87mm PCB and four 4mm positioning holes for secure industrial panel or enclosure installation

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