{"product_id":"rs232-to-ttl-serial-interface-module","title":"RS232 to TTL Serial Interface Module","description":"\u003ch1\u003eRS232 to TTL Serial Interface Module\u003c\/h1\u003e\n\n\u003cp\u003eThe RS232 to TTL Serial Interface Module converts standard RS232 voltage levels (±12V) to 5V TTL logic, enabling communication between legacy serial devices and modern microcontrollers. Ideal for engineers, students, and hobbyists integrating older equipment with Arduino or ESP32 projects.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLogic level: 5V TTL\u003c\/li\u003e\n\u003cli\u003eInterface: RS232 (DB9 female connector) to TTL (4-pin header: TX, RX, VCC, GND)\u003c\/li\u003e\n\u003cli\u003eProtocol: Asynchronous serial (UART)\u003c\/li\u003e\n\u003cli\u003eBaud rate: Up to 115200 bps\u003c\/li\u003e\n\u003cli\u003eDimensions: Approximately 45mm x 25mm\u003c\/li\u003e\n\u003cli\u003ePower supply: 5V DC from host microcontroller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino (Uno, Mega, Nano, etc.)\u003c\/li\u003e\n\u003cli\u003eESP32 and ESP8266\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (via GPIO UART)\u003c\/li\u003e\n\u003cli\u003eSTM32 boards\u003c\/li\u003e\n\u003cli\u003eAny 5V TTL serial device\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConnect a vintage RS232 barcode scanner to an Arduino for inventory tracking\u003c\/li\u003e\n\u003cli\u003eInterface an old industrial PLC or CNC machine with a Raspberry Pi for data logging\u003c\/li\u003e\n\u003cli\u003eBuild a serial-to-USB bridge for debugging legacy equipment using a TTL adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery RS232 to TTL module from Compoden includes access to our AI build companion—delivered via QR code, email, or WhatsApp—that guides you through wiring and programming this part into a working project. With 10 years of experience supplying makers and institutions across India, we ensure reliable components for your builds. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between RS232 and TTL?\u003c\/summary\u003e\n\u003cp\u003eRS232 uses higher voltage levels (±12V) for longer cable runs, while TTL uses 0-5V logic common in microcontrollers. This module converts between the two, allowing devices with different voltage standards to communicate.\n\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the RS232 to TTL Serial Interface Module?\u003c\/summary\u003e\n\u003cp\u003eYou can pay using UPI, credit\/debit cards, or Cash on Delivery (COD). All options are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I connect this module to my Arduino?\u003c\/summary\u003e\n\u003cp\u003eConnect the module's VCC to Arduino 5V, GND to GND, TX to Arduino RX (pin 0), and RX to Arduino TX (pin 1). Use the Serial Monitor to send and receive data at matching baud rates.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe ship the RS232 to TTL Serial Interface Module across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Typical delivery is 3-7 business days.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"RS232 to TTL Serial Interface Module\",\n  \"description\": \"RS232 to TTL Serial Interface Module for converting RS232 signals to 5V TTL logic. 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