--- product_id: 90757881 title: "NOYITO TTL to RS232 Module Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Male)" brand: "noyito" price: "€ 15.17" currency: EUR in_stock: true reviews_count: 2 category: "Noyito" url: https://www.desertcart.pt/products/90757881-noyito-ttl-to-rs232-module-male-female-mutual-conversion-module store_origin: PT region: Portugal --- # 3-5.5V wide power input Male/Female RS232 port options 15KV ESD protection NOYITO TTL to RS232 Module Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Male) **Brand:** noyito **Price:** € 15.17 **Availability:** βœ… In Stock ## Summary > πŸ”— Connect the past and future with NOYITO’s power-packed serial converter! ## Quick Answers - **What is this?** NOYITO TTL to RS232 Module Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Male) by noyito - **How much does it cost?** € 15.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/90757881-noyito-ttl-to-rs232-module-male-female-mutual-conversion-module) ## Best For - noyito enthusiasts ## Why This Product - Trusted noyito brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Robust 15KV ESD Protection:** Safeguard your gear from electrostatic shocks and ensure longevity. - β€’ **Complete Kit with DuPont Wires:** Includes six premium DuPont wires to get your project wired up instantly. - β€’ **Universal Voltage Compatibility:** Supports a flexible 3-5.5V power supply for diverse setups. - β€’ **Plug & Play with Clear Pin Markings:** Intuitive design with labeled pins and schematic on the back for hassle-free integration. - β€’ **Seamless TTL to RS232 Communication:** Effortlessly bridge modern microcontrollers with legacy serial devices. ## Overview The NOYITO TTL to RS232 Module is a compact, high-quality serial level converter designed for professionals needing reliable communication between TTL serial ports and RS232 devices. Featuring selectable male or female RS232 ports, a wide 3-5.5V power input range, and robust 15KV ESD protection, it ensures stable and safe data transmission. The module comes with six DuPont wires and clear pin labeling, making it an essential tool for serial expansion in applications like GPS, car diagnostics, and hardware maintenance. ## Description Uses： The TTL serial port communicates with the RS232 level device. Serial expansion of the device. RS232 port communication with computer PC. Can be used for GPS, electronic compass, car detection, hard disk maintenance etc .(Need the user staff with a certain degree of professional knowledge and operational capabilities) Description: Supports 3-5.5V power supply. RS232 can choose male or female. The package contains six DuPont wires. Use high-quality chips. In order to facilitate the use of the product, each pin is marked, and a schematic diagram of the product is printed on the back of the product. Instructions for use: (Taking the access MCU as an example, how to connect each row of pins) TTL (UART) side: VCC: DC 3V-5.5V GND: Connect to GND TXD: Connect to MCU.RX (Signal Flow: MCU.RX ← SP3232 ← RS232.TX ) RXD: Connect to MCU.TX (Signal Flow: MCU.TX β†’ SP3232 β†’ RS232.RX) CTS, RTS is not used by default. RS232 side: RXD: Connect RS232.TX (Signal Flow: RS232.TX β†’SP3232 β†’ MCU.RX) TXD: Connect to RS232.RX (Signal Flow: RS232.RX ← SP3232 ← MCU.TX) GND: Connect to RS232.GND CTS, RTS is not used by default. Package Included: 1 pcs TTL to RS232 Module Review: Works well - This adapter actually works, and works well. Not a knock off chip. Great for giving a Raspberry Pi, or ESP32 a DB9 serial port. The signal voltage conversion is very reliable. Review: good - all good had try to use it yet ## Features - Uses: TTL serial port communicates with RS232 level devices. Serial expansion of the device. RS232 port communication with Computer PC - Supports 3-5.5V power supply.15KV ESD Protect - RS232 can choose male or female. - The package contains six DuPont wires. - Use high-quality chips. In order to facilitate the use of the product, each pin is marked, and a schematic diagram of the product is printed on the back of the product. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07BJJ1T5G | | Best Sellers Rank | #97 in Serial Adapters | | Brand | NOYITO | | Color | Male | | Compatible Devices | TTL to RS232 Communication Devices | | Connector Type | Serial Adapter | | Customer Reviews | 4.7 out of 5 stars 22 Reviews | | Finish | Print | | Finish Type | Print | | Input Voltage | 5 volts_of_direct_current | | Item Dimensions | 1.1 x 0.51 x 1.38 inches | | Item Type Name | TTL to RS232 Module | | Item Weight | 19 g | | Item dimensions L x W x H | 1.1 x 0.51 x 1.38 inches | | Manufacturer | NOYITO | | Mfr Part Number | NO-TTLRS232-M | | Model Number | NO-TTLRS232-M | | Number of Items | 1 | | Number of Ports | 2 | | Package Quantity | 1 | | UPC | 667797748364 | | Unit Count | 1 Count | | Warranty Description | Manufacturer's One-year After-sale Warranty | ## Product Details - **Brand:** NOYITO - **Color:** Male - **Compatible Devices:** TTL to RS232 Communication Devices - **Connector Type:** Serial Adapter - **Item dimensions L x W x H:** 1.1 x 0.51 x 1.38 inches ## Images ![NOYITO TTL to RS232 Module Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Male) - Image 1](https://m.media-amazon.com/images/I/71lU0BGbmDL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well *by G***N on October 1, 2025* This adapter actually works, and works well. Not a knock off chip. Great for giving a Raspberry Pi, or ESP32 a DB9 serial port. The signal voltage conversion is very reliable. ### ⭐⭐⭐⭐⭐ good *by J***T on January 29, 2026* all good had try to use it yet ## Frequently Bought Together - NOYITO TTL to RS232 Module TTL RS232 Male Female Mutual Conversion Module Serial Level Conversion to SP232 TTL Serial Port Communicates with RS232 Level Device 15KV ESD Protect (Male) - DB9 null modem male to female slimline data transfer serial port adapter 2 Pack - USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/90757881-noyito-ttl-to-rs232-module-male-female-mutual-conversion-module](https://www.desertcart.pt/products/90757881-noyito-ttl-to-rs232-module-male-female-mutual-conversion-module) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-29*