Serial Port Mini RS232 to TTL Converter Adaptor Module Board MAX3232 (5 pcs)

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Serial Port Mini RS232 to TTL Converter Adaptor Module Board MAX3232 for electrical level converter. The RS232 to TTL 5V Signal Converter Module is a professional module for projects requiring PC/Laptop RS232 interface to 5V TTL logic. This module converts signals between RS232 voltage levels and TTL voltage levels.

It is bi-directional, where TTL signals are converted to RS232 levels and RS232 levels are converted to TTL levels. It is ideal for use in pc interfacing, microcontroller based projects, robotics, or for experimental and educational purposes.


High speed, replaceable MAX232 based. The device fitted supports up to 120kbps

Works with PCs or Laptops

Supports microcontroller UARTs – 5V TTL signal levels. 

Single DC supply: wide input range for 4201 or 5V for 4202 and 4203

Small PCB footprint of 50x40mm

Low current status LED(s)

Very low power consumption

Optional onboard PSU for internal/external use for a quick start out of the box. 

Power can be routed to pin 9 (if required) on the RS232 connector – useful for specific applications. 

Specification :- 

Chip Model: MAX232CSE

Protocol: RS232

Operating Voltage (VDC): 3 - 5

Max. Baud Rate : No more than 120kbps. 

Operation: Full Duplex

Receiver Hysteresis: 300mV

Transceiver: 2 

Operating Temperature: -40degC - 85degC

Dimensions in mm (LxWxH): 16.22 x 10.3 x 3.5

Weight(gm): 2

Shipment Weight: 0.005 kg

Shipment Dimensions: 7 × 5 × 2 cm

Product Includes:-

5 x Serial Port Mini RS232 to TTL Converter.