{"id":15522093498605,"title":"1Pc TTL-to-RS485 UART Module with Lightning Protection and Auto Flow Contro","handle":"1pc-ttl-to-rs485-uart-module-with-lightning-protection-and-auto-flow-contro","description":"\u003ch3\u003e1Pc TTL-to-RS485 UART Module with Lightning Protection and Auto Flow Contro\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eTTL to RS485 Isolation Module, Isolated UART Serial Converter Board, 3.0V to\n5.5V, 2500VDC Isolation, TX\/RX LEDs, 120Ω Resistor Product Specifications\nModel: TTL to RS485 Isolation Module Product Type: TTL to RS485 Module\nOperating Voltage: 3.0V–5.5V Serial Port Level: 3.3V \/ 5V compatible Baud\nRate: 100–256,000 bps Interfaces: TTL Serial, RS485 Indicator Lights: TX, RX\n120Ω Resistor: Included; short the R0 pad to enable TTL Interface: 2.54mm\npitch RS485 Interface: 2.54mm \/ 5.08mm pitch Operating Temperature: -40°C to\n+85°C Dimensions: 35 × 29 mm Main Features Isolated TTL to RS485 communication\n2500VDC isolation Automatic direction control 3.3V\/5V compatible TX\/RX status\nLEDs 120Ω termination resistor support Compact industrial design Pin\nDefinitions VCC: Power input TXD: UART transmit data RXD: UART receive data\nGND: Ground A \/ B: RS485 differential signal lines\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eIsolated RS485 Communication: Uses a high-end isolation chip to separate power and signals between the TTL and RS485 sides, improving safety, stability, and anti-interference performance.\u003c\/li\u003e\n \u003cli\u003eAutomatic TX\/RX Direction Control: Features automatic RS-485 flow control, allowing the module to switch between transmit and receive modes automatically without extra control wiring.\u003c\/li\u003e\n \u003cli\u003eWide Voltage Compatibility: Supports 3.0V5.5V input and is fully compatible with both 3.3V and 5V microcontroller systems for flexible integration.\u003c\/li\u003e\n \u003cli\u003eMulti-Node Communication: Supports up to 1,000 meters of transmission distance, 100256,000 bps baud rates, and at least 128 devices on a single RS485 network.\u003c\/li\u003e\n \u003cli\u003eProtection and Easy Wiring: Built with 2500VDC isolation, enhanced lightning protection, 120-ohm termination resistor, hot-swap support, and half-hole 0.8 mm board design for easy soldering and installation.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-11-11T02:20:21+11:00","created_at":"2026-11-10T19:01:45+11:00","vendor":"MakerCircuit","type":"Serial Adapters","tags":["electronics_NR_Nov2026"],"price":9800,"price_min":9800,"price_max":9800,"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":68249804833005,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0HFBW8C5W","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"1Pc TTL-to-RS485 UART Module with Lightning Protection and Auto Flow Contro","public_title":null,"options":["Default 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TTL-to-RS485 UART Module with Lightning Protection and Auto Flow Contro\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eTTL to RS485 Isolation Module, Isolated UART Serial Converter Board, 3.0V to\n5.5V, 2500VDC Isolation, TX\/RX LEDs, 120Ω Resistor Product Specifications\nModel: TTL to RS485 Isolation Module Product Type: TTL to RS485 Module\nOperating Voltage: 3.0V–5.5V Serial Port Level: 3.3V \/ 5V compatible Baud\nRate: 100–256,000 bps Interfaces: TTL Serial, RS485 Indicator Lights: TX, RX\n120Ω Resistor: Included; short the R0 pad to enable TTL Interface: 2.54mm\npitch RS485 Interface: 2.54mm \/ 5.08mm pitch Operating Temperature: -40°C to\n+85°C Dimensions: 35 × 29 mm Main Features Isolated TTL to RS485 communication\n2500VDC isolation Automatic direction control 3.3V\/5V compatible TX\/RX status\nLEDs 120Ω termination resistor support Compact industrial design Pin\nDefinitions VCC: Power input TXD: UART transmit data RXD: UART receive data\nGND: Ground A \/ B: RS485 differential signal lines\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eIsolated RS485 Communication: Uses a high-end isolation chip to separate power and signals between the TTL and RS485 sides, improving safety, stability, and anti-interference performance.\u003c\/li\u003e\n \u003cli\u003eAutomatic TX\/RX Direction Control: Features automatic RS-485 flow control, allowing the module to switch between transmit and receive modes automatically without extra control wiring.\u003c\/li\u003e\n \u003cli\u003eWide Voltage Compatibility: Supports 3.0V5.5V input and is fully compatible with both 3.3V and 5V microcontroller systems for flexible integration.\u003c\/li\u003e\n \u003cli\u003eMulti-Node Communication: Supports up to 1,000 meters of transmission distance, 100256,000 bps baud rates, and at least 128 devices on a single RS485 network.\u003c\/li\u003e\n \u003cli\u003eProtection and Easy Wiring: Built with 2500VDC isolation, enhanced lightning protection, 120-ohm termination resistor, hot-swap support, and half-hole 0.8 mm board design for easy soldering and installation.\u003c\/li\u003e\n \u003c\/ul\u003e"}