joy-it RB-RS232 Breakout Kit Owner’s Manual

: June 9, 2024
: JOY-It

Table of Contents

joy-it RB-RS232 Breakout Kit
Specifications
Product Usage Instructions
FAQ
GENERAL INFORMATION
CONNECTIONS OF THE RS232 BREAKOUT BOARD
CODE EXAMPLE
CONTACT
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

joy-it RB-RS232 Breakout Kit

Specifications

Product Name : RB-RS232
Description : RS232 breakout kit for Raspberry Pi

Product Usage Instructions

Connections of the RS232 Breakout Board

The connections on the RS232 breakout board are used to send and receive RS232 signals. The connections have been routed separately to the outside to ensure that the concealed connections on your Raspberry Pi can still be accessed.

Code Example:

To use the RS232 breakout kit, you need to activate the serial interface on your Raspberry Pi. Follow these steps:

Open the configuration by entering the command: sudo raspi-config
Answer “No” when asked if you would like a login shell to be accessible over serial.
Answer “Yes” when asked if you would like the serial port hardware to be enabled.
Restart your Raspberry Pi when prompted.
Download the required libraries by executing: sudo apt install python3-serial
Try out the provided code examples or download them from the provided link.
Adjust the port in the code based on your Raspberry Pi model.

Additional Information:

For any further information or assistance, please do not hesitate to contact us. We are here to help you with any questions or issues you may encounter while using our product.

FAQ

Q: What should I do if I encounter unexpected problems while using the RS232 breakout kit?
A: If you encounter any unexpected problems during use, please contact us for assistance and support. We are dedicated to ensuring that you have a seamless experience with our product.

GENERAL INFORMATION

Dear customer,
thank you very much for choosing our product. In the following, we will introduce you to what to observe while starting up and using this product. Should you encounter any unexpected problems during use, please do not hesitate to contact us.

CONNECTIONS OF THE RS232 BREAKOUT BOARD

joy-it- RB-RS232- Breakout-Kit-fig-1

These connections have been routed separately to the outside to ensure that the now concealed connections on your Raspberry Pi can still be used.
This connection are used to send and receive the RS232 signals.
These connections have been routed separately to the outside to ensure that the now concealed connections of your Raspberry Pi can still be used.

Please refer to the following table.

P0	P1	P2	P3	P4	P5	P6	P7
GPIO17	GPIO18	GPIO27	GPIO22	GPIO23	GPIO24	GPIO25	GPIO4
GND	GND	GND	GND	GND	GND	GND	GND
5V	5V	5V	5V	3V3	3V3	3V3	3V3

CODE EXAMPLE

This guide was written under Raspberry Pi OS Bookworm for the Raspberry Pi 4 and 5. It has not been checked with newer operating systems or hardware.

Installing the required libraries
Firstly, you must activate the serial interface on your Raspberry Pi. To open the configuration, enter the following command

joy-it- RB-RS232- Breakout-Kit-fig-9

Select 3 Interface Options → 15 Serial Port

You will be asked the question Would you like a login shell to be accessible over serial? Answer this with No.
Next, you will be asked if Would you like the serial port hardware to be enabled. Answer this with Yes.
You will then be asked whether you want to restart your Raspberry Pi. You should answer this with Yes.

joy-it- RB-RS232- Breakout-Kit-fig-3

Next, you need to download the required additional libraries by executing the following commands

Once you have downloaded the libraries, you can now try out the two code examples below or download them here. Alternatively, you can download and unzip the example using the following commands:

wget https://joy-it.net/files/files/Produkte/RB-RS232/RB- RS232-Beispielcodes.zip

unzip RB-RS232-Beispielcodes.zip

Please note that depending on whether you are using a Raspberry Pi5 or an older model, you will need to adapt the port in the code accordingly. To do this, you can refer to the comments in the code example

Code example transmitter

joy-it- RB-RS232- Breakout-Kit-fig-6

Code example receiver

joy-it- RB-RS232- Breakout-Kit-fig-7 ADDITIONAL INFORMATION

Our information and take-back obligations according to the Electrical and Electronic Equipment Act (ElektroG)

Symbol on electrical and electronic equipment:

This crossed-out dustbin means that electrical and electronic appliances do not belong in the household waste. You must return the old appliances to a collection point. Before handing over waste batteries and accumulators that are not enclosed by waste equipment must be separated from it.

Return options:
As an end user, you can return your old device (which essentially fulfils the same function as the new device purchased from us) free of charge for disposal when you purchase a new device. Small appliances with no external dimensions greater than 25 cm can be disposed of in normal household quantities independently of the purchase of a new appliance. Possibility of return at our company location during opening hours: SIMAC Electronics GmbH, Pascalstr. 8, D-47506 Neukirchen-Vluyn, Germa-ny
Possibility of return in your area:
We will send you a parcel stamp with which you can return the device to us free of charge. Please contact us by email at service@joy- it.net or by telephone.
Information on packaging:
If you do not have suitable packaging material or do not wish to use your own, please contact us and we will send you suitable packaging.

CONTACT

SUPPORT

If there are still any issues pending or problems arising after your purchase, we will support you by e-mail, telephone and with our ticket support system.