# RS232 to TTL module, converter

> RS232 to TTL converter module based on the MAX3232. Enables connection between devices with an RS232 serial port and boards with TTL logic level, suitable for Arduino, ESP and industrial modules. Provides bidirectional TX RX communication, operates with external power supply of 3.3-5V and supports compatible levels for 3.3V and 5V. Compact and easy to integrate into projects and test benches.

- Page: https://sigmanortec.ro/en/rs232-to-ttl-module-converter
- Price: 5.00 RON
- Availability: In stock; 1-2 zile
- Reference: 33346 · EAN: 5948306823501
- Category: Mechatronics and IoT > Serial and CAN Converters
- Package (shipping data): 0.011 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:37 (Europe/Bucharest)

## Description

The RS232 to TTL converter with MAX3232 allows fast connection between RS232 serial port devices and TTL logic level boards, ideal for Arduino, ESP and industrial modules. It offers stable bidirectional TX RX communication, operates with external 3.3-5V power supply, has compatible levels for 3.3V and 5V and is compact, easy to integrate into projects and test benches.
RS232 to TTL converter, MAX3232.
Power supply voltage: 3.3-5V (external)