The MAX3232 Mini RS232 to TTL Module is a compact serial communication converter that translates between the RS232 voltage standard used by older industrial equipment, computers, and sensors, and the TTL voltage standard used by modern microcontrollers like Arduino and Raspberry Pi — so your Arduino can communicate with any device that only speaks RS232 without any risk of damaging the microcontroller’s input pins from the higher RS232 voltages. This rs232 to ttl converter is needed RS232 voltage levels outside the safe range of a microcontroller’s GPIO pins, and connecting them directly without a converter like this max3232 module would damage the board.
The rs232 to ttl converter module operates from 3V to 5.5V, making it compatible with both 3.3V and 5V microcontroller systems without needing a separate power supply. Full duplex operation means the module can send and receive data at the same time on separate TX and RX lines — both directions of communication are always open simultaneously, which is required for devices that send data continuously while also receiving commands.
The rs232 ttl module max3232’s 300mV receiver hysteresis helps filter out small voltage fluctuations on long RS232 cable runs — common in factory and lab environments where serial cables can run several meters between equipment. This max3232 rs232 converter is ideal for arduino industrial serial communication builds.
Related Product:
Features:
- Converts RS232 high-voltage signals to safe 3.3V/5V TTL levels
- Full duplex — sends and receives serial data simultaneously
- 3V to 5.5V range — works with 3.3V and 5V microcontrollers
- 300mV hysteresis filters cable noise on long RS232 connections
- CTS and RTS pins support hardware flow control for industrial devices
Technnical Specification:
Applications:
- RS232 module used for Arduino to industrial sensor serial communication
- Engineer uses max3232 module for PLC to microcontroller bridge
- Uses rs232 to ttl converter for legacy serial device demo
- Maker uses rs232 ttl module for GPS receiver Arduino connection build
Package Includes:
- 1 × MAX3232 Mini RS232 to TTL Module Board
Sandeep Gehlot –
This module worked reliably and interfaced perfectly with embedded systems.
Dinesh Rathore –
Great value for money
Hitesh Sharma –
Delivered in three days safely
Karthik Venkatraman –
Trustworthy seller and service
Ashwin Srinivasan –
Secure payment, damage-free delivery, and helpful support made this module a great purchase from favourite onilne store.