---
product_id: 566747642
title: "KNACRO RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino"
price: "$29.76"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/566747642-knacro-rs232-to-ttl-serial-port-module-bidirectional-transceiver-compatible
store_origin: US
region: United States of America
---

# KNACRO RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino

**Price:** $29.76
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** KNACRO RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino
- **How much does it cost?** $29.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/566747642-knacro-rs232-to-ttl-serial-port-module-bidirectional-transceiver-compatible)

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- Customers looking for quality international products

## Why This Product

- Free international shipping included
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## Description

KNACRO RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino

## Images

![KNACRO RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection for Arduino - Image 1](https://m.media-amazon.com/images/I/81WrcLLDonL.jpg)

## Frequently Bought Together

- KNACRO RS232 to TTL Serial Port Module Bidirectional Transceiver Compatible with 3.3V 5V Hardware Automatic Flow Control with Over-Voltage Protection
- ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects
- EDGELEC 120pcs Breadboard Jumper Wires 10cm 15cm 20cm 30cm 40cm 50 cm 100cm Wire Length Optional Dupont Cable Assorted Kit Male to Female Male to Male Female to Female Multicolored Ribbon Cables

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**Shop now:** [https://www.desertcart.us/products/566747642-knacro-rs232-to-ttl-serial-port-module-bidirectional-transceiver-compatible](https://www.desertcart.us/products/566747642-knacro-rs232-to-ttl-serial-port-module-bidirectional-transceiver-compatible)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-26*