Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | STC15W408AS |
| Architecture | 8051 Compatible (Enhanced) |
| Operating Voltage | 3.3V / 5V Dual Mode |
| Clock Speed | Up to 35MHz |
| Flash Memory | 8KB On-Chip |
| SRAM | 256 Bytes + 1KB XRAM |
| I/O Ports | Multiple GPIO Pins Available |
| Programming Interface | UART ISP (In-System Programming) |
| Board Dimensions | 45mm x 35mm |
| Connector Type | Standard 2.54mm Pin Header |
Anonymous
Mar 30, 2026
Rating: 4/5
Great value, minor pin labeling issues
The core functionality is solid and the price is unbeatable. I did have to double-check the silkscreen labels against the datasheet for a few pins, but once configured, it works flawlessly.
Anonymous
Mar 29, 2026
Rating: 5/5
Bought ten for our workshop
We equipped our entire lab with these boards. They are robust enough to handle beginner mistakes and powerful enough for advanced experiments. Fast shipping too.
Anonymous
Mar 10, 2026
Rating: 5/5
Easy to start with
I was worried about the learning curve, but the community support for STC chips is huge. This board boots up instantly and the LED blink test worked on the first try.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to get back into embedded systems. The STC15W408AS chip is fast and the documentation provided by the seller made setup a breeze. Highly recommended for students.
Anonymous
Mar 05, 2026
Rating: 4/5
Solid replacement for older 8051 kits
Much faster than the classic AT89S52 boards I used to use. The internal oscillator saves space on the PCB. Would give 5 stars if it came with a USB-to-TTL cable included.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent for university projects
Used this for my final year microcontroller project. It handles ADC and PWM tasks without any lag. The build quality is surprisingly good for the price point.
Q: Does this board come with a USB programmer cable?
A: No, this package includes only the core board. You will need a separate USB-to-TTL adapter (such as CH340 or CP2102) to program the MCU via the UART pins.
Q: Are there schematic diagrams available for this board?
A: Yes, a PDF schematic and pinout diagram are included in the download link provided in the product description section after purchase.
Q: Is the crystal oscillator external or internal?
A: The STC15W408AS features a high-precision internal R/C oscillator, so no external crystal is required for basic operation, though external clocks can be used if needed.
Q: Can this run at 3.3V logic levels?
A: Yes, the STC15W408AS supports a wide voltage range. You can operate the board at either 5V or 3.3V by selecting the appropriate power input pin.
Q: What software is required to program this chip?
A: You can use the official STC-ISP software provided by STC Micro, which is compatible with Windows. There are also open-source alternatives available for Linux and macOS users.
![[Camizong] Lilith's Claw – Gothic-Style Fork Acrylic Check-In Stick for Badge Display with Magnetic Backing](https://www.gosteppe.com/cache/small/product/269664/legacy-main-61a7c901e7dad39a31ac652a.png)
[Camizong] Lilith's Claw – Gothic-Style Fork Acrylic Check-In Stick for Badge Display with Magnetic Backing
$11.70
PELICAN 1010 Outdoor Waterproof Micro Case for Earphones and Cable Storage
$25.00
Korea Hwahong Model 345 Detail Liner Brush for Painting - Recommended by Xijiu 011
$12.52
Stainless Steel Oil Painting Medium Dispenser and Brush Washer Cup for Students, Diluent and Watercolor Paint Supplies
$3.80
![[Cao Quan Stele Beginner Set] Beginner Clerical Script Learning Set](https://www.gosteppe.com/cache/small/product/269660/legacy-main-054d3f92ef4f63a19b4a6651.webp)
[Cao Quan Stele Beginner Set] Beginner Clerical Script Learning Set
$41.60
Manyue Car Aromatherapy Hand-Mold Plaster DIY Raw Material Scented Diffuser Stone White Hard Plaster Powder 500G
$5.95
Pelican Soft Grid Dividers for Case 1510 - Compatible with 1500, 1550, and 1610 Models
$170.00
Children's Orthodontic Expander Storage Case, Portable Retainer Box with Lanyard for Frankel Appliances
$14.33
Portable Denture Storage Case for Elderly - Cleaning and Soaking Box for False Teeth and Retainers
$19.30
Handmade Soap Wrought Iron Hanging Rack, DIY Grape/Lychee Soap Display Hook, Premium Creative Gift Decor
$4.08
Stainless Steel Parallel Brush Roller Washer - Sand Removal Equipment for Oysters and Vegetable Cleaning
$8,175.00
Camellia Scented Plaster DIY Kit Parent-Child Team Building Car Vent Diffuser Ornament with Tutorial Included
$3.23
Glass Bonding High-Transparency Waterproof UV Adhesive Shadowless Glue 7194V for Small Glass Fish Tanks & Vases
$105.00
Mineral Water Bucket Stand - Simple Storage Rack for Bottled Water, Water Dispenser, and Purified Water Support
$150.00
UE5 Neon Shop Signs - 3D Model Assets and Props for Unreal Engine 5
$0.50
Surface-Mounted Semi-Circular Stainless Steel Floor Cable Raceway with Anti-Crush Design
$2.50
Denture Storage Box Soaking Denture Elderly Cleaning Box with Filter Tooth Storage Box Retainer Denture Case Portable
$7.64
Tire Hot Patch Vulcanizer 12R22.5, Tubeless Tire Aluminum Mold Plug-in Top Pressure Plate, Tire Repair Tool Aluminum Mold Press Plate
$430.00
DEUTER Germany Outdoor Travel Waterproof Dry Bag - Lightweight Storage Sack for Beach, Swimming, and Camping
$59.50
Expanded Clay Pebbles for Plant Pot Drainage - Specialty Ceramic Granules for Succulents, Hydroponics, Aquariums, and Bathroom Backfill
$7.70
Lint-Free Industrial Wiping Paper for Camera and Automotive Paint, Oil-Removing Cloth for Spray Painting, Film Application, Anti-Fog Wax, and Static Rust Prevention
$126.50
Heavy-Duty Electric Bike Hook - Versatile Hanging Solution for Strollers, Shopping Bags, Kids' Carts, and Food Delivery
$1.90
PPSOAP Silicone Handmade Soap Mold Candle Plaster Aroma Diffuser Stone DIY Materials and Tools FL093
$63.70
Guangda Dental | Swedish Imported Dental Implants – Includes Abutment & Crown, Insurance Accepted, Installment Plans Available
$5,500.00
![[Full Payment Pre-Order] Summer Fantasy Original Heavy-Duty Doll-Style Antique Cream Amber Lolita Dress](https://www.gosteppe.com/cache/small/product/269640/legacy-main-72b18deb30524e2e07f2057f.webp)
[Full Payment Pre-Order] Summer Fantasy Original Heavy-Duty Doll-Style Antique Cream Amber Lolita Dress
$38.00
Paint Brush Cleaning Cup for Kids' Art Supplies - Plastic Water Container for Washing Brushes and Graffiti Tools
$2.88
![[10% Off on 2 Items] Creative National Trend Thickened Felt Calligraphy Mat, Desk Pad for Brush Practice, Colorful Fresh Design for Beginners](https://www.gosteppe.com/cache/small/product/269637/legacy-main-1a4d8446daba22c1a0286ba7.webp)
[10% Off on 2 Items] Creative National Trend Thickened Felt Calligraphy Mat, Desk Pad for Brush Practice, Colorful Fresh Design for Beginners
$6.63
Premium 3D Printing Pen with PLA Filament - Professional Grade for Students, Competitions, Training, and 3D Air Drawing Crafts - Ideal Kids' Gift
$108.00
Retainer Storage Box - Portable Sealed Case for Braces, Dentures, Cleaning, and Soaking - Suitable for Children
$42.40
6-Cavity Round Maple Leaf & Butterfly Totem Large Silicone Mold for Handmade Soap – DIY Milk Soap, Essential Oil Soap Making Mold
$5.80
![[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)
