Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Type | STC89C52RC / AT89S52 Compatible |
| Operating Voltage | 5V DC |
| Clock Frequency | 11.0592 MHz Crystal Oscillator |
| Program Memory | 8KB Flash EEPROM |
| Data Memory | 256 Bytes RAM |
| I/O Ports | 32 Programmable I/O Lines (P0-P3) |
| Communication Interfaces | UART, SPI, I2C Support |
| Expansion Headers | Standard 2.54mm Pitch Pin Headers |
| Power Supply | USB Port or External DC Jack |
| Board Dimensions | 75mm x 55mm x 15mm |
Anonymous
Mar 25, 2026
Rating: 5/5
Nostalgic and functional
Love working with the classic 51 architecture again. This finished version saves so much time compared to building from scratch. The reset button and ISP programmer interface work perfectly.
Anonymous
Mar 20, 2026
Rating: 4/5
Great starter kit
Everything you need to get started is here. The USB cable included works well for both power and data. Only minor issue is the LED brightness is a bit high for dark rooms, but easily fixed with a resistor.
Anonymous
Mar 18, 2026
Rating: 4/5
Good quality but manual could be better
The hardware itself is solid and the soldering joints look professional. However, the included PDF manual is a bit sparse on example code. Had to find resources online, but the board performs flawlessly.
Anonymous
Mar 16, 2026
Rating: 5/5
Reliable for classroom use
Bought ten of these for our university lab. Students find them easy to program using Keil or SDCC. No dead-on-arrival units, and they withstand frequent plugging and unplugging.
Anonymous
Mar 16, 2026
Rating: 5/5
Perfect for beginners learning embedded systems
This board arrived fully assembled and worked immediately. The pinout is clearly labeled, making it easy to connect sensors and LEDs. Great value for anyone starting with 8051 architecture.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent build quality
The PCB layout is clean and the components are securely mounted. I've run several continuous tests for days without any overheating or stability issues. Highly recommended for prototyping.
Q: Can I power this board with a 9V battery?
A: While there is a DC jack, please ensure your external source is regulated to 5V. Connecting a raw 9V battery directly may damage the board unless used with a proper 5V regulator module.
Q: Does this board come with a USB cable for programming?
A: Yes, the kit includes a standard USB cable that handles both power supply and data transfer for programming the microcontroller.
Q: What is the maximum current draw per I/O pin?
A: Each I/O pin can typically sink/source up to 20mA, but the total current for all ports combined should not exceed the microcontroller's absolute maximum ratings specified in the datasheet.
Q: Which software compilers are compatible with this board?
A: This board supports popular 8051 compilers such as Keil C51, SDCC (Small Device C Compiler), and Assembly language environments.
Q: Is the source code for the demo program provided?
A: Yes, a download link for sample source code and drivers is printed on the quick start guide included in the package.
Language of Drums Motion Path Set Drum Creativity Essence Rhythm Drum Kit Teaching Material Jazz Drum
$59.17
1.9m Wide-Format Sublimation Printer for Pillows, Garments, and Fabric Digital Printing
$600.00
Automatic Retractable Air Hose Reel - Pneumatic Shrinking Hose Drum Combo for Auto Repair (Air, Electric, Water) - National Standard
$228.00
Marie's Paper Blending Stumps Thickened Xuan Paper Blending Stumps Marie's Student Sketch Set Blending Stumps Rubbing Cotton Painting Special Paper Blending Stumps Smudging Pens Art Supplies Xuan Paper Sketch Fixative
$5.09
Inner Mongolia Milk Skin Processing Equipment - Condensed Milk and Butter Production Line, Fully Automatic Cheese Making Machine
$13,580.00
Yijiayi Plastic Surgery - Hair Follicle Analysis to Assess Growth, Prevent Hair Loss, and Plan Transplants
$10.00
Hell Training Rock Guitar by Shinichi Kobayashi - Electric Guitar Speed Playing Tutorial
$106.00
Mai Da Chu Commercial Food Warmer Cabinet, Large-Capacity Constant-Temperature Heating Cart for Banquets, Hotels, and Kitchens
$8,165.00
Children's Activity Appliance Storage Box - Case for Braces, Underbite Correctors, Expanders, and Denture Cleaning
$16.80
Stainless Steel Cable Raceway Arc-Shaped Anti-Step Floor Metal Surface Mount Decorative Invisible Wire Channel
$2.50
Electric Watercolor Spray Pen Children Hand-painted Color Pa
$46.55
408 Fast-Drying Glue - Strong Low-Whitening Instant Adhesive for Metal and Plastic, Heat Resistant
$53.12
UE5.1-5.7 Ancient Sci-Fi Gate Model Instrument Consultation
$2.00
Biliansheng Hair Transplant - Non-Shave Female Hairline Restoration & Density Enhancement
$19,999.00
Water Brush Pen Set Large Capacity Beginner Gouache Solid Watercolor Paint Brush Tools Line Drawing Art Student
$32.00
Beginner Watercolor Painting Line Art Coloring Book, Hua Meng Lv Ren by Stan, Fine Texture, 2-Pack Free Shipping
$10.60
New Wanli Tire 265/45R21 SU306+ - Compatible with AITO M7, BYD Tang, Range Rover, Li Auto, and NIO
$528.00
Suzhou Factory Wholesale Chain Store Logo - RGB Illuminated Letters, Acrylic Neon Signs for Window and Counter Display
$1,911.00
RoHS 1.0 Environmental Tester for Alloy Analysis and Heavy Metal Detection in Plastic Toys
$15.30
Mont Marte Long-Handle Bristle Brush – Professional Art Brush for Acrylics, Oil Painting, and Flat Wash Techniques
$37,500.00
Portable Plastic Backpack Fertilizer Bucket for Manual Fruit Picking, Seed Feeding, and PPC Fertilization
$9.50
Chinese-Style Hand-Drawn Plant Line Art Coloring Book on 100% Cotton Watercolor Paper
$15.80
Eagle Brand 99021 Industrial Scouring Pads, Cleaning Cloths, and Polishing Pads Supply
$666.00
Pad Printing Machine Parts - Zhongke 4-Inch Blade Clamp, Blade Holder, and Doctor Blade Frame (In Stock)
$4.50
Pneumatic Throttle Valve Quick Connect Fitting SL4-01/4-02/4-03 Air Pressure Regulator Flow Control Valve
$8.60
Pad Printing Silicone Rubber Heads Electric Long Round Square Durable Customizable 30-Year Established Store
$3.00
Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening
$41.70
Candy Naoko Gujima Mr. Saxophone City Pop Sheet Music with Accompaniment Demo
$37.00
Multi-Color Detachable Water Bucket Stand - Office Purified Water Dispenser Holder (Inverted)
$60.95
Oil-Based Original Strong Fast-Drying Adhesive for Metal, Plastic, Rubber, Ceramics, and Wood, Multi-Purpose Transparent Glue (Not 502)
$21.60
![[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)
