Joy-IT RS232 Breakout Board for Raspberry Pi B+, 2B, 3B, 3B+, 4B

The Joy-IT RS232 Breakout Board is a high-quality expansion board designed to add RS232 serial communication to your Raspberry Pi. Compatible with Raspberry Pi B+, 2B, 3B, 3B+, and 4B, this board uses the MAX3232 transceiver chipset for reliable 3.3V logic level conversion. It features a DB9 male connector, onboard power and data LEDs, and includes mounting hardware for easy installation.

Advantages

This breakout board provides a simple and cost-effective solution for integrating legacy RS232 devices with modern Raspberry Pi systems. The onboard LEDs offer real-time status indication, and the included standoffs and screws ensure secure mounting. With support for baud rates up to 250 kbps, it is suitable for a wide range of serial communication applications.

Suitable for

• Adding RS232 serial ports to Raspberry Pi projects
• Connecting industrial equipment, modems, or GPS receivers
• Embedded systems requiring reliable serial communication
• Educational and prototyping environments

Key specifications

• Compatible Raspberry Pi Models: B+, 2B, 3B, 3B+, 4B
• Serial Interface Standard: RS232
• Serial Connector Type: DB9 Male
• Logic Level Compatibility: 3.3V (Raspberry Pi GPIO)
• Transceiver Chipset: MAX3232
• Maximum Baud Rate: 250 kbps
• Power Supply Voltage: 3.3V / 5V (from Raspberry Pi GPIO)
• GPIO Pin Usage: TXD, RXD, GND, VCC
• Onboard Indicators: Power LED, Transmit (TX) LED, Receive (RX) LED
• Mounting Type: 4x M2.5 mounting holes
• Included Components: RS232 Breakout Board, 4x M2.5 standoffs, 4x M2.5 screws, 4x M2.5 nuts

Recommendations

For optimal performance, use shielded RS232 cables and ensure proper grounding. This board is ideal for projects requiring reliable serial communication with legacy equipment.