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Component Documentation

How to Use Nucleo-L4R5ZI : Examples, Pinouts, and Specs

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Design with Nucleo-L4R5ZI in Cirkit Designer

Introduction

The Nucleo-L4R5ZI is a versatile development board that integrates the STM32L4R5 microcontroller, offering a rich set of features to support rapid prototyping and development of embedded applications. It is part of the STMicroelectronics Nucleo ecosystem and is fully compatible with a wide range of expansion boards. The board is particularly suitable for applications requiring high performance, low-power consumption, and advanced connectivity.

Explore Projects Built with Nucleo-L4R5ZI

Battery-Powered Emergency Alert System with NUCLEO-F072RB, SIM800L, and GPS NEO 6M

Image of women safety: A project utilizing Nucleo-L4R5ZI in a practical application

This circuit is an emergency alert system that uses a NUCLEO-F072RB microcontroller to send SMS alerts and make calls via a SIM800L GSM module, while obtaining location data from a GPS NEO 6M module. The system is powered by a Li-ion battery and includes a TP4056 module for battery charging and protection, with a rocker switch to control power to the microcontroller.

Open Project in Cirkit Designer

Arduino Nano Based GPS Tracker with LoRa Communication and LED Indicator

Image of Sender: A project utilizing Nucleo-L4R5ZI in a practical application

This circuit features an Arduino Nano interfaced with a Neo 6M GPS Module for location tracking and a LORA_RA02 module for long-range communication. The Arduino is powered by a 18650 Li-ion battery through a lipo battery charger module and a step-up boost power converter, ensuring a stable voltage supply. Additionally, the circuit includes a red LED with a current-limiting resistor and a green button, likely for user interaction and status indication.

Open Project in Cirkit Designer

Arduino Nano-Based GPS Tracker with GSM and LoRa Communication

Image of Electromagnetic Sensor: A project utilizing Nucleo-L4R5ZI in a practical application

This circuit features an Arduino Nano microcontroller interfaced with an RFM95 LoRa transceiver module for long-range communication, a SIM800L GSM module for cellular connectivity, and a GPS NEO 6M module for location tracking. The Arduino Nano also connects to an inductive sensor for proximity or metal detection. The circuit is designed for applications requiring wireless communication, location tracking, and proximity sensing, with the Arduino Nano serving as the central processing unit.

Open Project in Cirkit Designer

Nucleo-L4R5ZI and RM-3100 Magnetometer Sensor Interface

Image of Nucleo-L4R5ZI with rm3100: A project utilizing Nucleo-L4R5ZI in a practical application

This circuit integrates a Nucleo-L4R5ZI microcontroller with an RM-3100 magnetometer sensor for magnetic field measurement. Communication between the microcontroller and the sensor is established through I2C protocol, with an additional data ready signal connected to the microcontroller's D9 pin. Power supply and ground connections are established to power the sensor and provide common reference points.

Open Project in Cirkit Designer

Explore Projects Built with Nucleo-L4R5ZI

Image of women safety: A project utilizing Nucleo-L4R5ZI in a practical application

Battery-Powered Emergency Alert System with NUCLEO-F072RB, SIM800L, and GPS NEO 6M

This circuit is an emergency alert system that uses a NUCLEO-F072RB microcontroller to send SMS alerts and make calls via a SIM800L GSM module, while obtaining location data from a GPS NEO 6M module. The system is powered by a Li-ion battery and includes a TP4056 module for battery charging and protection, with a rocker switch to control power to the microcontroller.

Open Project in Cirkit Designer

Image of Sender: A project utilizing Nucleo-L4R5ZI in a practical application

Arduino Nano Based GPS Tracker with LoRa Communication and LED Indicator

This circuit features an Arduino Nano interfaced with a Neo 6M GPS Module for location tracking and a LORA_RA02 module for long-range communication. The Arduino is powered by a 18650 Li-ion battery through a lipo battery charger module and a step-up boost power converter, ensuring a stable voltage supply. Additionally, the circuit includes a red LED with a current-limiting resistor and a green button, likely for user interaction and status indication.

Open Project in Cirkit Designer

Image of Electromagnetic Sensor: A project utilizing Nucleo-L4R5ZI in a practical application

Arduino Nano-Based GPS Tracker with GSM and LoRa Communication

This circuit features an Arduino Nano microcontroller interfaced with an RFM95 LoRa transceiver module for long-range communication, a SIM800L GSM module for cellular connectivity, and a GPS NEO 6M module for location tracking. The Arduino Nano also connects to an inductive sensor for proximity or metal detection. The circuit is designed for applications requiring wireless communication, location tracking, and proximity sensing, with the Arduino Nano serving as the central processing unit.

Open Project in Cirkit Designer

Image of Nucleo-L4R5ZI with rm3100: A project utilizing Nucleo-L4R5ZI in a practical application

Nucleo-L4R5ZI and RM-3100 Magnetometer Sensor Interface

This circuit integrates a Nucleo-L4R5ZI microcontroller with an RM-3100 magnetometer sensor for magnetic field measurement. Communication between the microcontroller and the sensor is established through I2C protocol, with an additional data ready signal connected to the microcontroller's D9 pin. Power supply and ground connections are established to power the sensor and provide common reference points.

Open Project in Cirkit Designer

Common Applications and Use Cases

Internet of Things (IoT) devices
Wearable technology
Medical devices
Industrial control systems
Environmental sensing
Energy management

Technical Specifications

Key Technical Details

Microcontroller: STM32L4R5ZI
Core: ARM Cortex-M4 with FPU and DSP instructions
Maximum Frequency: 120 MHz
Flash Memory: 2 MB
SRAM: 640 KB
Operating Voltage: 1.71V to 3.6V

Pin Configuration and Descriptions

Pin Name	Function	Description
VDD	Power supply	Connect to a 1.71V to 3.6V power source
GND	Ground	Ground reference for the power supply
I/O pins	General I/O	Digital input/output, various functionalities
A0-A5	Analog inputs	Analog-to-digital converter channels
D0-D15	Digital I/O	Digital input/output pins
CN7, CN10	Extension connectors	Connect to ST morpho accessories
CN9	ST Zio connector	Connect to ST Zio compatible accessories
RESET	Reset input	Resets the microcontroller

Usage Instructions

How to Use the Component in a Circuit

Powering the Board:
- Ensure that the power supply is within the specified voltage range (1.71V to 3.6V).
- Connect the VDD pin to the positive terminal of the power supply and the GND pin to the negative terminal.
Programming the Board:
- Connect the board to a computer using a USB cable through the USB connector.
- Use the ST-LINK utility or the integrated development environment (IDE) of your choice to upload firmware.
Connecting Peripherals:
- Utilize the I/O pins to connect sensors, actuators, or other peripherals.
- Refer to the microcontroller's datasheet for the pinout and alternate functions.

Important Considerations and Best Practices

Always check the pinout and electrical characteristics before connecting external components to avoid damage.
Use proper decoupling capacitors close to the power pins to minimize power supply noise.
When designing custom peripherals, ensure compatibility with the board's logic levels.
For analog applications, keep analog signal paths as short as possible to reduce noise.

Troubleshooting and FAQs

Common Issues Users Might Face

Board not recognized by the computer:
- Check the USB cable and connections.
- Ensure that the necessary drivers are installed on the computer.
Unable to upload firmware:
- Verify the selected board and port in the IDE.
- Check for any error messages in the IDE's console and address them accordingly.
Peripherals not functioning as expected:
- Double-check the wiring and connections.
- Ensure that the code is correctly configured for the peripherals.

Solutions and Tips for Troubleshooting

If the board is not powering up, inspect the power supply and connections for any issues.
For connectivity problems, try using a different USB port or cable.
When facing issues with peripheral devices, consult their datasheets and ensure they are compatible with the board's voltage and current specifications.

FAQs

Q: Can I use the Arduino IDE with the Nucleo-L4R5ZI?

A: Yes, the Arduino IDE can be used with the Nucleo-L4R5ZI by adding the STM32 MCU based boards via the Boards Manager.

Q: What software can I use to develop applications for the Nucleo-L4R5ZI?

A: You can use various IDEs such as STM32CubeIDE, Keil µVision, IAR Embedded Workbench, or even the Arduino IDE for development.

Q: How do I extend the functionality of the Nucleo-L4R5ZI?

A: You can use ST morpho headers (CN7, CN10) or the ST Zio connector (CN9) to connect to a wide range of expansion boards and shields.

Q: Where can I find more resources and community support?

A: The STMicroelectronics website provides extensive documentation, and community forums like the ST Community can offer additional support.

This documentation provides an overview of the Nucleo-L4R5ZI development board. For more detailed information, refer to the STM32L4R5 microcontroller datasheet and the Nucleo-L4R5ZI user manual.