TTL to RS485 Converter Module 3.3V 5V UART Serial Adapter

Description �� TTL to RS485 Converter Module 3.3V / 5V UART Serial Adapter | AuscomTech The TTL to RS485 Converter Module is an industrial-grade serial communication adapter designed to convert UART TTL signals into robust RS485 differential communication. Engineered for demanding environments, this module supports 3.3V and 5V logic, long-distance transmission, and high electrical isolation, making it ideal for industrial automation, embedded systems, PLC communication, and noise-prone installations. ⭐ Key Features �� 3.3V & 5V Logic CompatibleSupports a wide logic voltage range (3.0V–5.5V), enabling direct connection to most microcontrollers. �� UART TTL to RS485 ConversionConverts standard TX/RX UART signals into RS485 differential A/B signals for long-distance communication. ��️ High Electrical IsolationIndustrial isolation design provides up to 2500VDC isolation, improving EMC performance and reducing EMI. ⚡ Enhanced Surge & Lightning ProtectionDesigned for industrial environments with improved resistance to voltage spikes and electrical interference. �� Long-Distance TransmissionSupports RS485 communication distances of up to 1000 metres under appropriate conditions. ��️ Wide Operating Temperature RangeReliable operation from −40°C to 85°C, suitable for harsh environments. �� Industrial PCB Design0.8mm half-hole PCB allows direct soldering onto motherboards or standalone wiring via terminals. �� Technical Specifications Conversion Type: TTL UART ↔ RS485Logic Voltage: 3.0V – 5.5VRS485 Mode: Half-duplexIsolation Voltage: Up to 2500VDCTransmission Distance: Up to 1000 mOperating Temperature: −40°C to 85°CPCB Thickness: 0.8 mm (half-hole design)Colour: BlueModule Size: Approx. 100 × 80 mm ⚠️ Important Notes • RS485 A/B polarity must be wired correctly• UART TX/RX crossover is required (TX → RX, RX → TX)• Designed for industrial and embedded applications• Not compatible with RS232 signal levels �� Compatible With • Arduino (3.3V / 5V logic)• ESP32 / ESP8266• STM32 microcontrollers• PLC UART interfaces• Industrial controllers• Embedded Linux boards ⚙️ Typical Applications • Industrial automation systems• PLC and controller communication• Long-distance serial links• MODBUS RTU networks• Embedded system integration• Noise-sensitive environments �� Package Includes • 1 × TTL to RS485 Converter Module