ESP32-S3-Nano Microcontroller
5.0Editor score
Integrated 8MB PSRAM
Arduino and MicroPython support
Compact design
In this guide
The Arduino Nano ESP32 represents a significant leap in embedded development, combining powerful processing with modern connectivity. This guide helps you choose the right board for your specific project needs.
We evaluated ten leading options based on performance, connectivity features, and developer support. Our analysis focuses on real-world usability for IoT and embedded applications.
Each pick highlights unique strengths and ideal use cases. Please note that prices and availability may change, so verify current listings before purchasing your next board.
Top 3 Picks for Best Arduino Nano ESP32
Arduino Nano ESP32 with Headers
4.6Editor score
Dual-core ESP32-S3 chip
Wi-Fi and Bluetooth 5.0
MicroPython compatible
ESP32-P4-NANO Development Board
4.8Editor score
RISC-V dual-core processor
MIPI interfaces for displays
Advanced image processing
Top 10 Best Arduino Nano ESP32 in 2026 Compared
This table provides a side-by-side comparison of the top ten Arduino Nano ESP32 boards and compatible development boards available in the current market.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Arduino Nano ESP32
ESP32-S3 dual-core
Wi-Fi and Bluetooth 5.0
USB-C programming
MicroPython support
4.6Editor score
Editor's Choice
ESP32-S3-Nano
ESP32-S3R8 chip
8MB PSRAM
Arduino compatible
HID support
5.0Editor score
Best Premium
Seeed Studio XIAO ESP32S3
Thumb-sized design
Battery charge support
Deep sleep mode
BLE 5.0
4.7Editor score
ESP32-P4-NANO
RISC-V processor
MIPI-CSI interfaces
32MB PSRAM
Image processing
4.8Editor score
Waveshare ESP32-S3 Mini
ESP32-S3FH4R2
4MB Flash memory
2MB PSRAM
Castellated module
4.4Editor score
ELEGOO ESP-32 Super Starter
Starter kit included
35+ modules
Arduino IDE compatible
Online tutorials
4.3Editor score
Arduino Nano 33 IoT
ARM Cortex-M0+ processor
Secure Element
WiFi and BLE
256KB Flash
4.5Editor score
ESP-WROOM-32 Development Board
Dual-mode WiFi and Bluetooth
FreeRTOS support
Low power consumption
AP STA modes
4.4Editor score
ELEGOO 3PCS ESP-32
USB-C CP2102
240 MHz dual-core
OTA support
3 Pack value
4.7Editor score
Arduino UNO R4 WiFi
Renesas RA4M1 core
12-bit DAC
Qwiic Connector
LED Matrix
4.7Editor score
1. Arduino Nano ESP32 – Best Overall Development Board
Arduino Nano ESP32
ESP32-S3 dual-core
Wi-Fi and Bluetooth 5.0
USB-C port
MicroPython ready
The Arduino Nano ESP32 stands out as a premier choice for modern embedded developers. With a 4.6 rating, it delivers exceptional performance through its powerful ESP32-S3 chip.
Pros
- High performance dual-core processor
- Modern USB-C connectivity
- Built-in Wi-Fi and Bluetooth
- MicroPython support included
- Stable community support
Cons
- Higher price than clones
- Headers not included on all variants
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Its dual-core processor running at up to 240 MHz handles complex tasks like voice recognition and edge machine learning. The integrated Wi-Fi and Bluetooth 5.0 ensure seamless connectivity for any IoT project.
While the price is higher than some third-party boards, the quality and official Arduino support justify the cost. The USB-C port makes programming faster and more reliable than older micro-USB solutions.
This board is ideal for professionals and hobbyists alike who need robust connectivity and ease of use. We highly recommend it for those prioritizing performance and official support.
Enhanced Connectivity
Wi-Fi and Bluetooth 5.0 enable seamless connection to cloud platforms and mobile devices for real-time data transfer.
Developer Friendly
MicroPython compatibility allows for rapid prototyping and easier coding for those familiar with Python syntax.
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2. ESP32-S3-Nano – Best Budget Friendly Option
ESP32-S3-Nano
ESP32-S3R8 chip
8MB PSRAM
WiFi and Bluetooth LE
HID support
For those seeking maximum value without sacrificing power, the ESP32-S3-Nano is a top contender. It boasts a perfect 5.0 rating from satisfied users.
Pros
- Excellent price point
- Large memory capacity
- Full Arduino compatibility
- HID emulation features
- Perfect for students
Cons
- Lacks official Arduino branding
- Documentation may vary
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The board features the ESP32-S3R8 chip with 8MB PSRAM, offering ample space for complex projects. It supports both Arduino and MicroPython programming for flexible development workflows.
While it lacks official Arduino branding, its compatibility ensures it works seamlessly with existing libraries. The HID support adds versatility for creating custom input devices.
This board is perfect for students and hobbyists on a budget who need high-end specs. It provides a cost-effective way to enter the world of advanced IoT development.
Flexible Programming
Seamlessly switch between Arduino IDE and MicroPython environments to suit your preferred coding style.
Memory Rich
With 8MB PSRAM and 16MB Flash, you can store more data and run larger applications without constraints.
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3. ESP32-P4-NANO – Best Premium Performance Board
ESP32-P4-NANO
RISC-V dual-core
MIPI interfaces
Image processing
32MB PSRAM
The ESP32-P4-NANO targets advanced users needing high performance for image and video tasks. Its 4.8 rating reflects its capability in demanding applications.
Pros
- Advanced RISC-V architecture
- Supports high-res displays
- High image processing power
- Rich peripheral interfaces
- Secure boot features
Cons
- Higher cost than standard boards
- Steeper learning curve
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Powered by a RISC-V dual-core processor, it offers significant speed improvements. Features like MIPI-CSI and MIPI-DSI interfaces allow direct connection to high-resolution displays.
While more expensive, its specialized hardware for image processing is unmatched in this class. It also includes robust security features like secure boot and flash encryption.
This board is best suited for industrial projects or advanced prototypes requiring screen interfaces. If your project needs visual output, this is the superior choice.
Visual Capabilities
MIPI interfaces enable direct connection to displays for projects needing high-resolution visual feedback.
Security Focused
Hardware-level encryption and secure boot protect your data and firmware from unauthorized access.
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4. Seeed Studio XIAO ESP32S3 – Best Compact Wearable
Seeed Studio XIAO ESP32S3
Thumb-sized compact design
Battery charge supported
Deep sleep mode
Rich interfaces
The Seeed Studio XIAO ESP32S3 is designed for space-constrained projects like wearables. Its 4.7 rating highlights its reliability in small form factors.
Pros
- Extremely small footprint
- Built-in battery management
- Ultra low power consumption
- Compatible with Arduino
- Breadboard friendly
Cons
- Fewer GPIOs than larger boards
- Requires careful handling
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At just 21 x 17.5mm, it fits easily into compact devices. The battery charge management capability and deep sleep modes make it perfect for battery-powered applications.
It offers RF performance with 2.4GHz Wi-Fi and BLE 5.0 despite its size. The lack of components on the back simplifies design for small enclosures.
This board is ideal for developers building smart watches or portable sensors. Its power efficiency and tiny size make it a standout for portable projects.
Power Management
Deep sleep modes reduce power consumption to as low as 14μA, extending battery life significantly.
Compact Design
The thumb-sized footprint allows for discreet integration into wearables and portable IoT devices.
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5. Waveshare ESP32-S3 Mini – Best Value Pack
Waveshare ESP32-S3 Mini
3 Pack value
ESP32-S3FH4R2
Low power design
Ceramic antenna
The Waveshare ESP32-S3 Mini offers incredible value with three boards in one package. This kit is perfect for bulk prototyping or teams needing multiple units.
Pros
- Great value with 3 units
- Solderable module pins
- Independent power control
- Built-in ceramic antenna
- Reliable RF performance
Cons
- Requires soldering skills
- Basic feature set
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Each board features the ESP32-S3FH4R2 module with flexible power settings for different scenarios. The castellated pins allow for direct soldering to carrier boards easily.
While it is a basic board without extra peripherals, its core functionality is solid. The ceramic antenna ensures good signal quality for wireless projects.
We recommend this for makers who need several units for a project or to spare. It provides a cost-effective entry into ESP32-S3 development.
Multi-unit Value
Getting three boards in one pack is ideal for building multiple prototypes simultaneously.
Solderable Design
Castellated module pads simplify integration into custom PCB designs or carrier boards.
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6. ELEGOO ESP-32 Super Starter – Best Learning Kit
ELEGOO ESP-32 Super Starter
Full starter kit
35+ modules
Step by step tutorial
Arduino IDE support
The ELEGOO ESP-32 Super Starter Kit provides everything you need to start building IoT projects immediately. It is a perfect entry point for electronics beginners.
Pros
- Complete component set
- Beginner friendly tutorials
- Online step-by-step code
- Variety of sensors
- Community support
Cons
- Not a single board
- Learning curve for beginners
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With over 35 modules, including sensors and displays, you have diverse tools for creative projects. The included tutorial offers clear circuit diagrams and instructions.
While not a single board like others, it is designed to teach fundamentals effectively. The kit supports Arduino IDE and focuses on hands-on learning.
We suggest this for students or hobbyists who want to learn electronics alongside coding. It removes the guesswork of choosing components for your first projects.
Comprehensive Learning
The kit includes all necessary components to build 30+ projects without buying extra parts.
Guided Practice
Online tutorials provide detailed code and diagrams to ensure you understand each circuit.
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7. Arduino Nano 33 IoT – Best Secure IoT Option
Arduino Nano 33 IoT
Secure Element
WiFi and BLE
Built-in sensors
SAMD21 processor
The Arduino Nano 33 IoT is a reliable choice for secure cloud-based applications. Its 4.5 rating confirms its stability in industrial and smart home settings.
Pros
- Secure IoT connectivity
- Compact size
- Pre-soldered headers
- Built-in sensors
- Arduino IDE support
Cons
- Older processor architecture
- More expensive than ESP32
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Unlike standard ESP32 boards, this includes a Secure Element for hardware-level encryption. This is crucial for projects handling sensitive data or requiring secure cloud communication.
It also features built-in sensors for ambient light and temperature, simplifying hardware needs. However, it uses an ARM Cortex-M0+ rather than an ESP32 processor.
We recommend this for projects where security is a top priority over raw processing power. It is an excellent choice for secure smart home devices.
Hardware Security
The ATECC608A Secure Element ensures data privacy and secure communication with the cloud.
Built-in Sensors
Integrated temperature and light sensors reduce the need for external components.
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8. ESP-WROOM-32 – Best Classic Choice
ESP-WROOM-32
Dual-mode WiFi and BT
3 Pack quantity
Ultra low power
FreeRTOS support
The ESP-WROOM-32 is a classic development board that has powered thousands of projects. It remains a stable choice for standard IoT tasks.
Pros
- Classic reliable hardware
- Great price for 3 units
- Full Arduino compatibility
- FreeRTOS available
- Low power modes
Cons
- Older ESP32 chip
- Lacks latest Bluetooth features
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This 3-pack offers great value for prototyping multiple units. It supports Dual-Mode WiFi and Bluetooth 4.2 for general wireless communication.
While it lacks newer features like Bluetooth 5.0, its compatibility and performance are proven. It works well with Arduino IDE and FreeRTOS environments.
We recommend this for beginners who want a cost-effective way to learn ESP32 basics. It is a solid foundation for many standard automation projects.
Proven Reliability
The ESP32 chip has been a industry standard for years due to its stable performance.
Multi-pack Value
Getting three boards allows for rapid testing and development of multiple prototypes.
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9. ELEGOO 3PCS ESP-32 – Best Modern USB-C Pack
ELEGOO 3PCS ESP-32
USB-C CP2102
3 Pack boards
OTA update support
Power saving modes
ELEGOO brings a classic board into the modern era with USB-C programming on this 3-pack. It is rated 4.7 for its convenience and ease of use.
Pros
- Modern USB-C connectivity
- Value for 3 units
- OTA update capability
- Dynamic clock scaling
- Great for IoT
Cons
- Still uses BT 4.2
- Basic documentation
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The USB-C port simplifies connections and is more durable than micro-USB. It also supports Over-the-Air updates, allowing firmware changes without physical cables.
This board offers flexible power-saving modes essential for battery projects. It provides a solid balance of features and price for hobbyists.
We recommend this pack for those needing multiple boards for a home automation network. The USB-C upgrade makes it much more pleasant to use daily.
Wireless Updates
OTA support lets you update firmware over WiFi, saving time during development cycles.
Modern Connectivity
USB-C ensures faster connections and matches the charging ports on most modern devices.
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10. Arduino UNO R4 WiFi – Best Full Featured Board
Arduino UNO R4 WiFi
12×8 LED Matrix
12-bit DAC
Qwiic Connector
Renesas RA4M1
The Arduino UNO R4 WiFi combines the best of two worlds with a Renesas core and ESP32-S3 module. It is the most feature-rich board on this list.
Pros
- Built-in LED Matrix
- CAN bus support
- Qwiic connector included
- Dual-core processing
- USB-C connectivity
Cons
- Larger form factor
- Not strictly Nano size
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It features a built-in 12×8 LED Matrix for displays without extra hardware. The Qwiic connector and CAN bus support make it versatile for industrial projects.
Its larger size means it does not fit in Nano-sized cases. However, the added analog output precision and connectivity options are worth the space.
We recommend this for users who want an all-in-one solution for complex embedded tasks. It is perfect for projects requiring multiple communication protocols.
Built-in Display
The integrated LED Matrix lets you show messages and data directly on the board.
Industrial Features
CAN bus and Qwiic connectors support advanced industrial communication and sensor connections.
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Buying Guide – How to Choose the Best Arduino Nano ESP32
Selecting the right development board depends on your project requirements. This guide helps you weigh the key factors to make an informed decision.
Processing Power
Most boards use the ESP32-S3 chip, which offers dual-core processing up to 240 MHz. For complex tasks like machine learning at the edge, a higher clock speed and more SRAM are beneficial. Look for boards with 8MB or more PSRAM if your project requires extensive data handling or image processing.
Connectivity Options
Wi-Fi and Bluetooth are standard, but versions vary. Bluetooth 5.0 offers better range and speed than 4.2. If your project requires industrial connections, check for CAN bus support. USB-C is now the standard and is recommended over micro-USB for durability and speed.
Power Efficiency
For battery-powered projects, look for boards with deep sleep modes and battery management capabilities. Boards like the XIAO ESP32S3 excel here with specific power optimization features. Always check the active current and sleep current ratings to estimate battery life.
Size and Form Factor
Nano-sized boards are ideal for wearables and space-constrained enclosures. Larger boards like the UNO R4 WiFi offer more features but take up more space. Ensure your chosen board fits within your physical project design requirements.
Development Environment
Most boards support the Arduino IDE, but some also offer MicroPython compatibility. If you prefer Python over C++, ensure the board has MicroPython support built-in or easily accessible. Official Arduino boards usually have better community support and documentation.
Security Features
For projects handling sensitive data, hardware-level security is vital. Boards with Secure Elements offer better encryption for cloud communication. Features like secure boot and flash encryption protect your firmware and data from tampering.
Peripherals and Ports
Consider the number of GPIOs and specific interfaces like DAC, ADC, or MIPI. Boards with built-in displays or Qwiic connectors can simplify wiring. Check if the board includes headers or if you need to solder them yourself.
Price and Value
Prices vary from budget-friendly clones to official boards. Buying in packs of three can offer better value for prototyping. Balance the cost against the features you actually need to avoid overpaying for capabilities you won't use.
How to Use and Care for Your Arduino Nano ESP32
Connect the board to your computer using the appropriate USB cable. Most modern boards use USB-C, while older models may require micro-USB. Ensure the cable supports data transfer, not just charging, for programming.
Install the latest drivers and the Arduino IDE on your computer. Select the correct board type and port in the IDE settings. Upload your code to test basic functionality like blinking an LED.
Store your boards in a static-safe environment when not in use. Avoid exposing the pins to short circuits by using protective caps. Clean the contacts periodically with isopropyl alcohol to maintain connectivity.
Frequently Asked Questions
Is the Arduino Nano ESP32 compatible with standard Arduino IDE?
Yes, most boards including the official Arduino Nano ESP32 are fully compatible with the Arduino IDE. You simply need to install the necessary board packages from the manager. This ensures access to standard libraries and examples.
Can I use MicroPython with these boards?
Many boards like the official Arduino Nano ESP32 and ESP32-S3-Nano support MicroPython. It allows for rapid prototyping using Python syntax instead of C++. Check the product description to confirm specific MicroPython support before purchasing.
What is the difference between ESP32-S3 and ESP32-P4?
The ESP32-S3 is optimized for AI at the edge and includes vector instructions for better performance. The ESP32-P4 focuses on higher performance with RISC-V and supports more display interfaces. Choose S3 for general IoT and P4 for display-heavy projects.
Are these boards suitable for battery powered projects?
Yes, many boards offer deep sleep modes and power efficiency features suitable for battery operation. Look for specific power management capabilities like those on the XIAO ESP32S3 for best results. Always calculate your current draw to estimate battery life.
Do I need to solder headers to the board?
Some boards come with pre-soldered headers, while others require you to solder them. The official Arduino Nano ESP32 may vary based on the specific version you choose. Check the product title to see if headers are included.
What voltage do these boards require for input?
Most ESP32 boards operate at 3.3V logic levels and accept input via USB. Some boards have VIN pins for 5V input but require careful handling to avoid damage. Always check the specific power requirements on the product page.
Which board is best for a beginner?
The official Arduino Nano ESP32 or ELEGOO Starter Kits are excellent for beginners. They offer extensive documentation and community support. Starter kits provide all components needed to start learning without extra purchases.
Can I update firmware wirelessly?
Some boards like the ELEGOO ESP-32 with USB-C support Over-the-Air updates. This allows you to change firmware over Wi-Fi without reconnecting to a computer. It is useful for deploying updates to devices in the field.
Final Thoughts on Choosing the Best Arduino Nano ESP32
We reviewed ten boards ranging from the official Arduino Nano ESP32 to versatile alternatives. The Arduino Nano ESP32 remains the top pick for those seeking official support and balanced performance.
If budget is a concern, the ESP32-S3-Nano offers exceptional specs at a lower price. For advanced needs like displays, the ESP32-P4-NANO provides unique hardware capabilities.
Always verify the current price and availability before purchasing since conditions change frequently. We hope this guide helps you select the perfect board for your next project.