{"id":15522103492845,"title":"5Pcs SP3232 TTL-to-RS232 \/ RS232-to-TTL Serial Port Conversion Module, Large Board","handle":"5pcs-sp3232-ttl-to-rs232-rs232-to-ttl-serial-port-conversion-module-large-board","description":"\u003ch3\u003e5Pcs SP3232 TTL-to-RS232 \/ RS232-to-TTL Serial Port Conversion Module, Large Board\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eSP3232 TTL to RS-232 Module, Dual-Channel Serial Converter, 3.0V–5.5V Level\nShifter, Large Gold-Plated Board Product Specifications Chip Type: SP3232\nFunction: TTL to RS-232 \/ RS-232 to TTL Supply Voltage: 3.0V–5.5V Output\nLevel: ±5V or higher Maximum Data Rate: Up to 235 kbps ESD Protection: ±15 kV\nOperating Current: Approx. 300 μA max Operating Temperature: -40°C to +85°C\nDimensions: 52 × 15 mm Pin Definitions VCC: Power supply 3–5V DC GND: Ground\nRXD-TTL: TTL receive pin TXD-TTL: TTL transmit pin RXD-232: RS-232 receive pin\nTXD-232: RS-232 transmit pin Application Scenarios Serial port debugging;\nRS-232 communication; Firmware flashing cables; Portable terminal devices;\nEmbedded systems; Industrial control equipment\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eSP3232 TTL-to-RS-232 Module: This large board uses the SP3232 transceiver chip to provide reliable TTL-to-RS-232 and RS-232-to-TTL conversion, helping you connect microcontrollers, PC serial ports, and industrial-style devices with confidence.\u003c\/li\u003e\n \u003cli\u003eUniversal 3.0V5.5V Supply Support: Designed for broad compatibility, the module runs from a single 3.0V to 5.5V supply, making it easy to integrate into both 3.3V and 5V systems without added complexity.\u003c\/li\u003e\n \u003cli\u003eHigh-Speed Two-Way Data Transfer: The 2-driver and 2-receiver architecture supports bidirectional serial communication at up to 235 kbps, giving you the speed and flexibility needed for flashing cables, debugging, and serial peripherals.\u003c\/li\u003e\n \u003cli\u003eDurable Design with ESD Protection: With ESD protection rated to at least 15 kV and low typical supply current around 300 A, this module helps improve long-term reliability while keeping power consumption low in demanding environments.\u003c\/li\u003e\n \u003cli\u003eLarge Board for Easier Wiring and Installation: Measuring 52 15 mm, the larger board offers more comfortable handling, easier soldering, and cleaner connection layout, making it a strong choice for prototyping, bench testing, and repeated use.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-11-11T02:19:32+11:00","created_at":"2026-11-10T19:02:50+11:00","vendor":"MakerCircuit","type":"Serial Port Cards","tags":["electronics_NR_Nov2026"],"price":11200,"price_min":11200,"price_max":11200,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":68249817514221,"title":"Large Board","option1":"Large Board","option2":null,"option3":null,"sku":"B0HFC1HD5Q","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"5Pcs SP3232 TTL-to-RS232 \/ RS232-to-TTL Serial Port Conversion Module, Large Board - Large Board","public_title":"Large Board","options":["Large Board"],"price":11200,"weight":28,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B0HFC1HD5Q.jpg?v=1794297772","\/\/leoforward.com\/cdn\/shop\/files\/51fK-27UhlL.jpg?v=1794297772","\/\/leoforward.com\/cdn\/shop\/files\/51UkxrTnBcL.jpg?v=1794297773","\/\/leoforward.com\/cdn\/shop\/files\/41_NQklTgwL.jpg?v=1794297773"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B0HFC1HD5Q.jpg?v=1794297772","options":["Color"],"media":[{"alt":null,"id":46973134274797,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B0HFC1HD5Q.jpg?v=1794297772"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B0HFC1HD5Q.jpg?v=1794297772","width":800},{"alt":null,"id":46973134307565,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/leoforward.com\/cdn\/shop\/files\/51fK-27UhlL.jpg?v=1794297772"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/51fK-27UhlL.jpg?v=1794297772","width":800},{"alt":null,"id":46973134340333,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/leoforward.com\/cdn\/shop\/files\/51UkxrTnBcL.jpg?v=1794297773"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/51UkxrTnBcL.jpg?v=1794297773","width":800},{"alt":null,"id":46973134373101,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/leoforward.com\/cdn\/shop\/files\/41_NQklTgwL.jpg?v=1794297773"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/41_NQklTgwL.jpg?v=1794297773","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e5Pcs SP3232 TTL-to-RS232 \/ RS232-to-TTL Serial Port Conversion Module, Large Board\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eSP3232 TTL to RS-232 Module, Dual-Channel Serial Converter, 3.0V–5.5V Level\nShifter, Large Gold-Plated Board Product Specifications Chip Type: SP3232\nFunction: TTL to RS-232 \/ RS-232 to TTL Supply Voltage: 3.0V–5.5V Output\nLevel: ±5V or higher Maximum Data Rate: Up to 235 kbps ESD Protection: ±15 kV\nOperating Current: Approx. 300 μA max Operating Temperature: -40°C to +85°C\nDimensions: 52 × 15 mm Pin Definitions VCC: Power supply 3–5V DC GND: Ground\nRXD-TTL: TTL receive pin TXD-TTL: TTL transmit pin RXD-232: RS-232 receive pin\nTXD-232: RS-232 transmit pin Application Scenarios Serial port debugging;\nRS-232 communication; Firmware flashing cables; Portable terminal devices;\nEmbedded systems; Industrial control equipment\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eSP3232 TTL-to-RS-232 Module: This large board uses the SP3232 transceiver chip to provide reliable TTL-to-RS-232 and RS-232-to-TTL conversion, helping you connect microcontrollers, PC serial ports, and industrial-style devices with confidence.\u003c\/li\u003e\n \u003cli\u003eUniversal 3.0V5.5V Supply Support: Designed for broad compatibility, the module runs from a single 3.0V to 5.5V supply, making it easy to integrate into both 3.3V and 5V systems without added complexity.\u003c\/li\u003e\n \u003cli\u003eHigh-Speed Two-Way Data Transfer: The 2-driver and 2-receiver architecture supports bidirectional serial communication at up to 235 kbps, giving you the speed and flexibility needed for flashing cables, debugging, and serial peripherals.\u003c\/li\u003e\n \u003cli\u003eDurable Design with ESD Protection: With ESD protection rated to at least 15 kV and low typical supply current around 300 A, this module helps improve long-term reliability while keeping power consumption low in demanding environments.\u003c\/li\u003e\n \u003cli\u003eLarge Board for Easier Wiring and Installation: Measuring 52 15 mm, the larger board offers more comfortable handling, easier soldering, and cleaner connection layout, making it a strong choice for prototyping, bench testing, and repeated use.\u003c\/li\u003e\n \u003c\/ul\u003e"}