# RS232-TTL Converter

**Type:** Product page · **SKU:** DFR0077 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/rs232-ttl-converter.html ([markdown](https://core-electronics.com.au/rs232-ttl-converter.html.md))

This adapter helps to connect TTL (Transistor-Transistor Logic) level signals to RS232 interface.

## Pricing

- **Price:** $13.50 (inc GST) — $12.27 AUD, exc GST
- **Quantity discounts:** 6+ $11.65 (exc GST) · 12+ $11.16 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 26 and Aug 31.

## Description

Introduction

This adapter helps to connect TTL (Transistor-Transistor Logic) level signals to RS232 interface.

Specification

- 4 pin connector - GND, Logic out (STX), +5v, Logic In (SRX)
- Suitable for use with most microcontrollers
- 300 to 115200 bauds
- Pre-assembled board
- DB9 Female Connector (RS-232)
- Standard Header Connector (TTL)
 
Documents

- [Schematic](https://core-electronics.com.au/attachments/localcontent/RS232-TTLSCH_39396594dd2.pdf)
- [MAX202 datasheet](https://core-electronics.com.au/attachments/localcontent/MAX202datasheet_596427ccc2b.pdf)
- [RS232 interface pinout](https://core-electronics.com.au/attachments/localcontent/DB9M_232Pinout_762230bdcb.jpg)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/f/dfr0077-1.jpg)