2-Channel RS232 Module for Raspberry Pi Pico, SP3232EEN Transceiver, UART To RS232

Add RS232 serial communication to your Raspberry Pi Pico with this dual-channel expansion module. The SP3232EEN transceiver handles UART to RS232 conversion with built-in protection for reliable industrial connections.

Simply plug onto your Pico's GPIO header for instant RS232 capability—ideal for connecting legacy equipment, industrial sensors, or serial devices that use the RS232 standard.

Key Features

• Dual RS232 Channels – Two independent serial ports with DB9 connectivity via adapter cable
• SP3232EEN Transceiver – High-quality level conversion between UART and RS232
• Wide Baud Rate Support – 300 to 912,600 bps for flexible communication speeds
• Built-in Protection – TVS and ESD diodes protect against voltage spikes and static discharge
• Status LEDs – Visual indicators for TX/RX activity on both channels
• Plug-and-Play Design – Female header connects directly to Raspberry Pi Pico

Specifications

• Operating Voltage: 3.3V–5V
• Transceiver: SP3232EEN
• Interface: UART
• Baud Rate: 300–912,600 bps
• Channels: 2× RS232
• Protection: TVS diode, ESD diode

Ideal For

• Industrial automation and equipment interfacing
• Legacy device communication
• Serial protocol development and testing
• Data logging from RS232 sensors

Package Contents

• 1× 2-Channel RS232 Module for Raspberry Pi Pico

Resources

• Waveshare Wiki – Pico-2CH-RS232