# RPi HAT: PI-232

{% hint style="info" %}
SKU: SC220101
{% endhint %}

<figure><img src="/files/ymU0jRa0qLKFkixJ1XPk" alt=""><figcaption></figcaption></figure>

The RS232 HAT from WisdPi is a Serial communication HAT designed for use with the Raspberry Pi.

## Features

* Serial Interfact HAT for the Raspberry Pi A+/B+/2/3/4
* HAT Compliant (No EEPROM)
* Male DB9 Socket (RS232 / RS-232)
* ST3232 IC
* TX/RX/GND Solder Points

## Electrical Characteristics

* ESD protection for RS-232 I/O pins&#x20;
* ±15 kV human body model&#x20;
* ±8 kV IEC 1000-4-2 contact discharge&#x20;
* 300 μA supply current&#x20;
* 250 kbps minimum guaranteed data rate&#x20;
* 6 V/μs minimum guaranteed slew rate&#x20;
* Meet EIA/TIA-232 specifications down to 3 V

## Block Scheme

<figure><img src="/files/XW5vKiFuwA0Cy7ZosYAB" alt=""><figcaption></figcaption></figure>

## How To Use

### Step 1:

Connect the Hat board to the GPIO pins of the Raspberry Pi.

![](/files/N6oQdMvZHQNJWGEveOzD)

### Step 2:

Use RS232 just like a common Raspberry Pi UART.

{% content-ref url="/pages/faQ7zfYyjGbXzmGgQvEQ" %}
[How to use Raspberry Pi UART ?](/blogs/how-to-use-raspberry-pi-uart.md)
{% endcontent-ref %}

###

## Outline Dimensions

* 65x62.5x25.7mm

## Weight

## PACKAGE CONTENT

* Pi-232 HAT x 1
* Screwdriver x 1
* Screws pack x 1
* Quick Start x 1


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://wiki.wisdpi.com/raspberry-pi/rpi-hat-pi-232.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.