Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | STM32L431RCT6 |
| Architecture | ARM Cortex-M4 with FPU |
| Max Frequency | 80 MHz |
| Flash Memory | 256 KB |
| SRAM | 64 KB |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via USB or VIN pin |
| Debug Interface | SWD (Serial Wire Debug) |
| GPIO Pins | Multiple 5V tolerant I/Os |
| Package Type | LQFP64 |
Anonymous
Mar 24, 2026
Rating: 5/5
Excellent learning platform
I bought this to transition from Arduino to professional ARM development. The L431 chip offers plenty of peripherals to experiment with, and the board layout is very beginner-friendly.
Anonymous
Mar 24, 2026
Rating: 4/5
Good board, needs external programmer
The board itself is fantastic, but remember it does not have a built-in ST-Link debugger. You will need an external programmer like the ST-Link V2 to flash code, which wasn't immediately clear to me.
Anonymous
Mar 22, 2026
Rating: 4/5
Great value, minor documentation gaps
Hardware quality is solid and the pinout is standard. I deducted one star because the included quick start guide was a bit sparse, but the online community resources filled in the blanks easily.
Anonymous
Mar 20, 2026
Rating: 5/5
Reliable for prototyping
We used several of these for initial prototyping of an industrial controller. They handled the environment well and the performance matched the datasheet specifications perfectly.
Anonymous
Mar 17, 2026
Rating: 5/5
Perfect for low-power projects
This board is exactly what I needed for my battery-operated sensor node. The sleep modes work flawlessly, and the power consumption is incredibly low. Setup with STM32CubeIDE was straightforward.
Anonymous
Mar 16, 2026
Rating: 5/5
Best in class for power efficiency
If you are building something that needs to run on a coin cell for months, this is the board to get. The ultra-low-power modes are easy to configure and very effective.
Q: Does this board come with a built-in USB-to-serial converter?
A: No, this specific core board focuses on the microcontroller itself and does not include an onboard USB-to-serial bridge. You will need an external TTL UART adapter for serial communication.
Q: Does the STM32L431RCT6 support floating-point operations?
A: Yes, the Cortex-M4 core in the STM32L431RCT6 includes a single-precision Floating Point Unit (FPU), making it suitable for applications requiring mathematical calculations.
Q: Can I power this board directly via the 5V pin?
A: Yes, you can supply 5V to the VIN or 5V pin. The onboard regulator will step this down to 3.3V for the microcontroller. Ensure your source is stable and within the recommended range.
Q: Is this board compatible with the Arduino IDE?
A: Yes, it is compatible. You can use the STM32duino board package within the Arduino IDE to program this board, though we recommend STM32CubeIDE for accessing advanced low-power features.
Q: What debugger interface does this board support?
A: The board exposes the SWD (Serial Wire Debug) interface pins, which are compatible with standard debuggers like the ST-Link V2, V3, or J-Link.
Yanyu Mineral Water Fish Tank Stand - Triangular Bracket for Inverted Bottle Self-Made Water Circulation System
$17.05
Jingdezhen Pink Peony Flourishing Tea Canister Ceramic Lidded Loose Tea Storage Jar CYG-4578 One Jin Capacity Pu'er
$450.60
Round Sponge Brush Stamp with Mushroom Head – Printing Tool for Kindergarten Art and Kids' Crafts
$0.27
Metal Wick Centering Tool with Wooden Base for DIY Scented Candle Making
$1.28
Custom Temporary Bank Account Opening Sign, Company Signboard, Stainless Steel Door Plate, PVC Simple Plaque, Acrylic Advertising Board
$15.20
Natural Raw Crystal Diffuser Stones 500g - Same Style as Certain Summer Brand, Flameless Indoor Decor (White, Green, Purple, Yellow, Black, Blue)
$10.20
Iron Chain, Flower Pot Hanging Chain with Iron Rings, Black Suspension Chain for Bird Cages and Garden Planters
$0.10
Sheepskin Rattle with Brass Bells - Handmade Wooden Peach Wood Baby Toy for Chewing, Perfect for Children's Day
$10.80
Commercial Square Insulated Warmer Cabinet with Constant Temperature Heating, Countertop Display Case for Roast Duck, Chicken, Fried Chicken, Smoked Goose, and BBQ Meat
$338.00
PISEN Desktop Cable Organizer - Magnetic Data Cord Manager, Soft Silicone Fixed Wire Winder with Adhesive Clips, Mini Portable Hub
$10.10
Handcrafted Peach Wood and Sheepskin Rattle with Brass Jingle Stick – Traditional Chewable Wooden Baby Toy
$74.00
DC Drive DCS550-S02-0050-05-00-00
$10,838.20
Waterproof Storage Bag for Clothes and Bathroom Use, Large-Capacity Drawstring Organizer for Men and Women, Outdoor Travel and Toiletry Pack
$39.90
Steel Speed Bump with Rubber Surface for Cars and Railways
$3,668.00
Huaboshi Thickened Resin Vegetable Planter Box – Rectangular Plastic Balcony Grow Container with Drainage Tray
$45.99
New Data Cable Storage Bag Travel Digital Charger Cord Organizer Protective Visible Multi-Use Portable Case
$1.64
Press Wash Blade for KBA Printing Presses - Model KBA105 Ink Scraper, 1160*40mm
$40.50
Genuine Pirelli Run-Flat Car Tire P7 225 245 275 285/35 40 45 R18 19 20 21
$336.00
Chuangshidai 100XP Compact Desktop Fume Extractor for Soldering Irons - Rapid Smoke Purification
$696.00
Multi-Function Kitchen Sink Rack - Dish Drying Organizer for Bowls and Plates
$33.10
Water Brush Kids Water Painting Book Graffiti Special Pen Water Sketchbook Eco-Friendly Safe Tap Water Refillable Pen Set
$2.16
No-Drill Over-Toilet Storage Rack for Bathroom Restroom Organizer
$8.90
Jingdezhen Blue and White Porcelain Antique Brush Washer, Traditional Chinese Painting Calligraphy Brush Rinse Basin, Large and Small Water Pots
$16.90
Sketch Blending Stump Set for Art Students - Highlight Detail Shadow Tool Kit with Replacement Sponge Heads for Beginners
$9.00
Changyiyou Outdoor Large-Capacity Wheeled Duffel Bag - Thickened Storage Backpack with Wheels for Camping Gear and Travel
$109.00
Lightweight Waterproof Dry Bag for River Trekking and Rafting – Travel Storage for Clothes, Shoes, Socks with Moisture-Proof Buckle, Roll-Top Carry Design
$15.80
Tupai 3D Self-Adhesive Wall Stickers, Custom Acrylic Logo Advertising Letters for Signage, Background Walls, and Image Wall Decor
$8.50
Durable Replacement DEUBLIN 525/357 Water Inlet/Outlet Rotary Union for Curved Surface Printing and Cup Printing Machines
$300.00
Detachable Large Water Barrel Rack for Mineral and Purified Water, Office Bottled Water Storage Stand with Wheels
$136.00
Tea Packaging Gift Box - Empty Ceramic Tea Canister for Longjing, Green Tea, White Tea, Ripe Pu'er, Universal Packaging
$68.00
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
