Quick Start Guide
Gas sensing expansion board for electrochemical sensors
(P-NUCLEO-IKA02A1)
June 2023
STM32 Nucleo multifunctional expansion board for gas sensors
Electrochemical gas sensor expansion board
Hardware overview
P-NUCLEO-IKA02A1 hardware description
- The P-NUCLEO-IKA02A1 is an electrochemical gas sensor evaluation board.
- It embeds several footprints to host different types of sensors and different target gas.
- The connectivity is ensured thanks to Arduino® UNO R3 connector and ST morpho connector layout.
Key products on board
TSU111
Nanopower (900 nA), high accuracy (150 uV) 5 V operational amplifier
STLM20
Ultra-low current 2.4 V precision analog temperature sensor
Gas sensor
Four different footprints for various electrochemical gas sensors (PCD 13,5 mm, PCD 17 mm, miniature, TGS5141).
Software overview
X-CUBE-IKA02A1 software description
- The X-CUBE-IKA02A1 software package is an expansion for STM32Cube, associated with the P-NUCLEOIKA02A1 expansion board.
- It is compatible with NUCLEO-F401RE, NUCLEOL053R8.
Key features
- Complete middleware to build applications using electrochemical gas sensors with signal conditioning done by TSU111.
- Library uses STLM20 temperature sensor for compensation over temperature range.
- Easy portability across different MCU families, thanks to STM32Cube.
- Low-power optimization (suitable for the STM32L0 MCU family).
- Free, user-friendly license terms.
Overall software architecture
| All documents are available in the design resources tab of the multifunctional expansion board webpage. |
Design resources Technical documentation |
 |
 Product specificationsDB2668: Multifunctional expansion board based on operational amplifiers for STM32 Nucleo. User manualUM1955: Getting started with the multifunctional expansion board based on operational amplifiers for STM32 Nucleo. |
 |
 User manualUM2230: Getting started with the XCUBE-IKA02A1 multifunctional software expansion for STM32Cube |
Setup & demo examples
Hardware prerequisites
Software prerequisites 
STSW-LINK009: ST-LINK/V2-1 USB driver
X-CUBE-IKA02A1
- Copy the .zip file content into a folder on your PC.
- The package contains source code examples (Keil®, IAR, system workbench) based on NUCLEO-F401RE, NUCLEOL053R8 or NUCLEO-L4.
X-CUBE-IKA02A1
Start coding in just a few minutes
X-CUBE-IKA02A1 quick example (1/2)
Using serial line monitor – e.g.TeraTerm
Gas concentration reading example
X-CUBE-IKA02A1 for NUCLEO-F401RE, NUCLEO-L053R8 or NUCLEO-L476RG
- Configure the serial line monitor (speed, LF)
- Press the BLACK user button on STM32 Nucleo to restart MCU
 |
 |
X-CUBE-IKA02A1 quick example (2/2)
Using serial line monitor – e.g.TeraTerm
Unicleo-GUI example for X-CUBE-IKA02A1
DataLogCustomLite example
X-CUBE-IKA02A1 for NUCLEO-F401RE, NUCLEO-L053R8 or NUCLEO-L476RG
Our Technology starts with you
Find out more at www.st.com/automotive-ics
© STMicroelectronics – All rights reserved.
The STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics
group of companies. All other names are the property of their respective owners.
Documents / Resources
 |
ST STM32 Nucleo Multifunctional Expansion Board For Gas Sensors [pdf] User Guide STM32 Nucleo Multifunctional Expansion Board For Gas Sensors, STM32, Nucleo Multifunctional Expansion Board For Gas Sensors, Expansion Board For Gas Sensors, Board For Gas Sensors, Gas Sensors, Sensors |