Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | STC15W408AS |
| Architecture | 8051 Compatible (Enhanced) |
| Package Type | TSSOP20 |
| Operating Voltage | 3.3V - 5.5V |
| Max Clock Frequency | 35 MHz |
| Flash Memory | 8 KB |
| SRAM | 256 Bytes + 1 KB XRAM |
| I/O Ports | 15 General Purpose I/O Pins |
| Interface | UART, SPI, I2C, PWM |
| Board Dimensions | 25mm x 18mm |
Anonymous
Mar 23, 2026
Rating: 5/5
Reliable and fast shipping
The board arrived well-packaged. Tested all GPIO pins and the UART communication immediately; everything works as specified. Highly recommend for anyone moving from Arduino to bare-metal 8051.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to get started with the STC15 series. The pinout is clearly marked, and it works flawlessly with the STC-ISP software. Great value for money.
Anonymous
Mar 10, 2026
Rating: 4/5
Solid core board, minimal setup required
Very compact and functional. I appreciated that it comes with the necessary decoupling capacitors already installed. Only minor issue is the lack of a built-in USB programmer, but that's expected for a core board.
Anonymous
Mar 08, 2026
Rating: 5/5
Excellent minimum system implementation
Saves me hours of designing a schematic and PCB for prototyping. The reset circuit and crystal oscillator are correctly implemented. Just connect power and start coding.
Anonymous
Mar 03, 2026
Rating: 5/5
Great for university projects
Used this for my embedded systems final project. The stability is impressive even at higher clock speeds. Documentation online is plentiful which helped me debug my code quickly.
Anonymous
Mar 01, 2026
Rating: 4/5
Good quality soldering
The solder joints on the TSSOP chip look professional. I was worried about cold joints given the small pitch, but visual inspection and multimeter tests confirmed good connectivity. Runs cool under load.
Q: Can this board operate at 3.3V logic levels?
A: Yes, the STC15W408AS supports a wide voltage range from 3.3V to 5.5V, making it compatible with both 3.3V and 5V peripheral modules.
Q: What software is required to program the STC15W408AS?
A: You can use the official STC-ISP software provided by STC Micro, which is compatible with Windows. It supports code downloading via serial port.
Q: Is the crystal oscillator internal or external on this board?
A: The STC15W408AS features a high-precision internal R/C clock, so no external crystal is strictly necessary, though this board layout allows for external clock sources if needed for specific timing requirements.
Q: Does this board come with a USB-to-TTL converter included?
A: No, this is a core minimum system board. You will need an external USB-to-TTL adapter (like CH340 or CP2102) to program the microcontroller via the UART pins.
Q: Are there any example codes available for this specific board?
A: While the board itself is generic, there are numerous examples available online for the STC15W408AS chip covering GPIO, Timers, PWM, and UART. We recommend checking the STC official forum or GitHub repositories.
Single-Leg Manganese Steel Lifting Hook with Wide Opening for Hoists and Cranes
$92.00
Hesdick HZL-32 Portable Stone Removal Hook, Multi-Function Groove Tool for Car Tire Debris Cleaning
$9.28
PC Bonding Sealing Waterproof UV1901 Guardrail Tube Adhesive Shadowless Glue UV Glue Electronic Glue
$859.00
Wan Dian Wu Xian Stackable Toy Accessories - Vol.3 Prosperous Era Series Blind Capsule Figures for Desktop Display
$29.00
In Stock Commercial Vegetable Chopper and Meat Mincer - Grinding Machine for Baozi Fillings, Chili Dumplings, and Sausage WTP Meat Paste Processing
$5,805.00
Industrial Lint-Free Cloth for Cleaning Lenses, Optical Instruments, and Phone Screens; Microfiber Dusting Wipes
$81.58
Electric Barrel Water Dispenser Pump Automatic Water Lifter for Mineral and Purified Water
$74.00
F01RB0WA23 Transmission Valve for Roewe DQCT280 Remanufactured
$324.00
Full Payment Pre-order Guzi Bear DMMD Dramatical Murder Badge Polaroid Set Merchandise
$29.00
Peach Wood Sheepskin Rattle and Clapper Brass Traditional Handmade Baby Teething Hand Drum Newborn Gift Box
$29.90
Pirelli Run-Flat Tires 235/245/255/265/275/285 40 45 50 55R19R20R21
$350.00
Protective Case Lid for Pelican Cases - Laptop Insert for Models 1510, 1560, and 1535
$254.00
Universal 5800 Super Glue for Plastic, Metal, Glass, and Wood, 10-Second Fast Curing
$2.01
White Noise Wood Chip Core Grid Scented Candle Wooden Core S-Type Brand Name Candle Container Soy Candle Core Wood
$1.50
Zunjue 100% Cotton Paper Block 300g Watercolor Paper, Fine/Medium Grain, Thickened 80 Sheets, Neutral Acid-Free Journal Paper for Art Students, Beginners, Watercolor, Colored Pencil, Pen, Light Wash, Marker
$27.20
Outdoor Waterproof Dry Bag for Rafting and Creek Walking - Large Capacity Backpack for Swimming, Hiking, Diving, and Flood Rescue
$132.00
Lukang 995 Door and Window Fast-Drying Glass Sealant - Transparent Weather-Resistant Neutral Silicone Structural Adhesive
$222.90
Large Flip-Type Water Draining and Air Drying Machine, Fully Automatic Air Knife Blower for Vegetables, Commercial Continuous Drying Equipment
$15,282.00
Large Capacity Household Quilt Storage Bag - Waterproof and Moisture-Proof Duvet Organizer for Moving, Packing, and Luggage Sorting
$5.88
Scented Candle Aluminum Alloy Turntable 360-Degree Rotating Double-Sided Silent Non-Slip Small Turntable for Cake Decorating and DIY
$30.40
Ceramic Five Oxen Painting Brush Washer – Antique-Style Ink Well for Calligraphy & Traditional Painting
$16.90
Liupintang 3-in-1 Brush Washing Bucket with Palette - Portable Handheld Multi-Function Art Tool for Chinese Painting, Watercolor, and Gouache, Foldable Small Pail
$17.80
ZGT Type Damped Spring Vibration Isolator for Large Equipment such as Chillers and Diesel Generator Sets
$135.00
Shanlian Lake Brush Wool Felt Mat for Calligraphy and Painting, Washable Desk Pad for Beginners
$22.70
New Silicone Data Cable Protector, Anti-Break and Anti-Bite Cord Organizer for Charging Lines and Headphones, Universal Phone Accessory
$5.58
Cafeteria Bulb Vegetable Cutter - Complete Kelp Shredding Production Line, All-in-One Slicing, Dicing, and Shredding Machine
$10,000.00
Electric Water Dispenser Pump for Bottled Mineral Water - Automatic Press-Type Purified Water Pump Manufacturer
$113.00
Heavy-Duty Industrial Wiping Cloths for Auto Painting, Baking, Film Application, Detailing, and Degreasing – Absorbent, Oil-Removing, Lint-Free Paper and Cloth
$120.00
6-Cavity Oval Beehive Silicone Mold for DIY Handmade Soap - Heat-Resistant Non-Stick Large Mold for Milk and Essential Oil Soaps
$4.93
Data Cable Organizer Bag with Zipper for Charging Cables and Adapters - Dustproof Desktop Storage
$5.90
![[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)
