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.
Premium Factory Price Low-Temp 3D Printing Pen (2-Pack) - Compatible with PCL Filament
$67.91
Music Theory Book Jazz Theory Introduction Volume 1 Jazz Teaching Theoretical Knowledge Basic Textbook Tutorial HD Electronic Version
$5.00
Extra-Large Transparent Plastic Storage Box with Lid, Home Organizer for Clothes and Household Items
$4.80
Baijiali Artistic Eyebrow Hair Transplant: Bilateral Filling for Sparse Areas, Dense and Natural-Looking Results
$7,800.00
Plastic U-Shaped Trough Mold for Yam Cultivation, Directional Shallow Growth Slots (100 Pieces, Free Shipping)
$31.40
Maikeku Commercial Slow Juicer, Large Pulp-Separating Juice Extractor with High Power, Wide Mouth, Fully Automatic for Street Vending
$7,456.32
Continental CSC5 Tire 245/50R18 104V MO-V for Mercedes-Benz Viano, Vito, V260
$882.00
English Vocabulary Flashcards for Classroom Teaching - Categories Include Weather, Days, Months, Clothing, Home, Seasons, Fruits, Food, and Professions
$8.42
Cabinet Storage Box, Foldable Rattan-Style Basket for Countertop Snacks, Clothes, and Toys
$19.90
Custom PVC Sign Letters, Advertising Signs, Branding Wall Characters, Snowflake Board, Acrylic Crystal Letters for Background Walls
$5.00
Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening
$41.70
Fully Protected Smart Battery Tester - Performance Detector for Electric Vehicle and Car Batteries
$286.00
Large-Diameter Steel Corrugated Drainage Pipe for Bridge Culverts
$61.11
Water Curtain Paint Booth - 3-Meter Spray Station with Water Circulation for Paint Mist Purification, Eco-Friendly Dust Removal, 1-Meter Small Water Curtain Cabinet
$1,980.00
Portable Cleaning and Storage Box for Elderly Dentures, Compact Case for Full-Set False Teeth Soaking and Storage
$32.22
RC Model A07 PNP FPV Analog/Digital Racing Drone 7-Inch Aerial Photography Quadcopter Frame
$1,643.00
ACCSOON SeeMo Monitor Converter for iPhone and iPad, Real-Time Monitoring and Live Streaming
$1,059.00
Solenoid Valve Initial Inspection Test Bench / Solenoid Valve Leakage Test Bench / Solenoid Valve Airtightness Test Bench
$7,482.00
Factory Direct Hardware Screw and Parts Automatic Weighing and Packaging Machine, Vertical Weighing and Packing Equipment
$36,860.00
Commercial Heated Beverage Cabinet, Small Countertop Display Warmer with Constant Temperature for Supermarkets
$1,099.00
Manufacturer Supply Standard Dual-Color Film Copy Paper Ink Water-Based Ink Gravure Printing Machine
$17,500.00
Gray Surface Pen for Sketching and Quick Drawing - Art Highlight Sketch Paper Blending Stump and Sponge Eraser Tool Set for Still Life, Geometry, and Portraits, Designed for Art Students and Exam Candidates, Complete Beginner Kit
$6.80
Extra-Large Denture Storage Box for Seniors, Food-Grade Portable Cleaning and Soaking Container for Full Dentures
$29.90
![[Sheet Music Collection for Teachers] Continuously Updated – HD, No Watermark, Includes Tutorial Videos](https://www.gosteppe.com/cache/small/product/270366/legacy-main-31b5e0667fb30a4c5628abbc.webp)
[Sheet Music Collection for Teachers] Continuously Updated – HD, No Watermark, Includes Tutorial Videos
$49.90
Orthodontic Retainer Case for Invisible Braces, Portable Storage and Cleaning Box for Teeth Aligners and Dentures
$23.10
Portable Retainer Case for Braces, Orthodontic Clear Aligner Storage Box with Chewie and Removal Tool
$3.98
Freestanding Multi-Tier Toilet Storage Rack for Bathroom, Laundry, and Balcony Organization
$174.00
Biliansheng Hair Transplant and Care - Herbal Hair Nourishment Treatment Package
$480.00
Traditional Wooden Rattle Drum with Sheepskin Head for Babies - Chewable Handheld Toy with Fortune Zodiac Design
$11.90
2026 Spring New FLTRP Grade 3 English Vocabulary & Sentence Flashcards for Classroom Teaching
$8.42
![[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)
