Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Brand | Puzhong |
| Model Number | STC89C52-Upgrade-V25 |
| Microcontroller Unit | STC89C52RC |
| Clock Frequency | 11.0592 MHz |
| Power Supply | USB 5V or DC 9V |
| Display Interface | 8-digit LED Display |
| Communication Ports | UART, I2C, SPI |
| Input Components | 4x4 Matrix Keypad, Independent Buttons |
| Programmer Interface | On-board USB-TTL (CH340) |
| Package Contents | Board, USB Cable, Jumper Wires, CD with Tutorials |
Anonymous
Mar 29, 2026
Rating: 4/5
Great value but manual could be better
The hardware quality is solid for the price. The LEDs are bright and the buttons have a nice tactile feel. However, the included PDF manual has some translation errors. Fortunately, there are many community resources available online.
Anonymous
Mar 26, 2026
Rating: 5/5
Excellent educational tool for my son
Bought this for my high school son's electronics project. He was able to blink an LED within an hour of unboxing. The upgrade to version 25 seems to have fixed the power stability issues mentioned in older reviews.
Anonymous
Mar 22, 2026
Rating: 4/5
Good starter kit with minor quirks
Overall a great purchase. The examples provided cover most basic functions. One of the segment displays was slightly dimmer than the others, but it doesn't affect functionality. Customer support was responsive when I asked about driver installation.
Anonymous
Mar 17, 2026
Rating: 5/5
Reliable for rapid prototyping
Even as an experienced developer, I find this board useful for quick logic tests without setting up a complex IDE environment. The direct USB programming capability is a huge time saver compared to older parallel port programmers.
Anonymous
Mar 17, 2026
Rating: 5/5
Perfect for beginners learning 8051 architecture
This board is exactly what I needed to get started with embedded systems. The on-board programmer works flawlessly with Keil and STC-ISP software. All peripherals like the LCD and keypad are pre-wired, saving hours of debugging.
Anonymous
Mar 16, 2026
Rating: 5/5
Robust build quality
I have dropped this board twice accidentally, and it still functions perfectly. The soldering joints are clean, and the silkscreen labeling is very clear, making it easy to identify pins for external sensors.
Q: What voltage should I use if not powering via USB?
A: If you are using the DC power jack, we recommend a stable 9V DC adapter. The onboard regulator will step this down safely for the MCU and peripherals.
Q: Can I connect external sensors via the GPIO pins?
A: Absolutely. The board exposes all unused GPIO pins on the expansion headers, allowing you to connect various sensors, modules, and displays easily.
Q: Does this board come with the necessary USB cable?
A: Yes, the package includes a standard Mini-USB cable for both power supply and program downloading.
Q: Is this compatible with Mac OS for programming?
A: The hardware is compatible, but you will need to install the CH340 drivers manually. The STC-ISP software primarily runs on Windows, so Mac users often use a virtual machine or alternative cross-platform compilers.
Q: Are the source codes for the examples included?
A: Yes, the included CD and our website download section contain full C language source code for all demonstration projects featured in the user manual.
Leyingfang Floating Pen for Kids' Water Drawing, Colorful Water-Soluble Suspended Markers, Erasable Watercolor Pens
$13.80
Loose Rose Quartz Beads, Donghai Agate, Chalcedony, Jadeite, and Madagascar Pink Crystal for DIY Jewelry Making
$6.72
Expandable Stainless Steel Sink Rack, Multi-Function Kitchen Drain Board for Fruits, Vegetables, and Utensils
$14.90
Transparent Retainer Case Aligner Storage Box Portable Carry-On Squeeze Bag Orthodontic Appliance Rubber Band Cleaning Box
$18.50
Transparent Data Cable Organizer Bag for Travel - Portable Multi-Use Visible Storage for Digital Chargers and Cable Management
$7.36
Finished Seal Calligraphy Finished Stone Stamp Sellos Chines
$108.58
Chunfei Grocery Store Commuter Hard Fork Low-Beam Mountain Bike for Urban Roads, Suburbs, School, and Outings
$2,247.00
6-Cavity Large Square French Flower DIY Soap Silicone Mold for Essential Oil and Milk Soap
$4.93
Home Balcony Vegetable Planter - Self-Watering Plastic Pot for Strawberries and Succulents
$28.00
Pressure Swing Adsorption Nitrogen Generator - High-Purity Nitrogen Device for Heat Treatment
$36,456.00
6-Cavity 3D Rose Silicone Mold for DIY Soap Making Heat-Resistant Non-Stick Large Size for Milk Soap and Essential Oil Soap
$5.80
Traditional Handmade Baby Teething Rattle Sheepskin Wooden Clapper Newborn Toy Intangible Cultural Heritage
$29.85
Manufacturer Supply ZSJC02 Film Splicing Table, Alignment Table, Film Inspection Table
$4,484.00
Box-Type Oxygen Generator Export Equipment - Stable Nitrogen and Oxygen Production for Wastewater Treatment
$25,000.00
Wholesale Acrylic Paint Stick Set, 3ml x 12 Colors, Non-Toxic for Children's DIY and Street Art
$2.01
Cheese Processing Equipment - Small Pasteurized Fresh Milk Production Line, Fully Automatic Cheese Making Machine
$66,500.00
Household Mini Range Hood, Portable USB Desktop Smoke Extractor for Living Room Hot Pot & BBQ Odor Removal
$41.00
Sanitary Grade Stainless Steel Low-Temperature Vacuum Single-Effect Falling Film Evaporator for Milk Powder and Juice Processing
$4,158.00
Chain Shortener & Lifting Rigging - Double Chain Hook Assembly for Overhead Cranes and Hoists
$130.00
Youlian Toast Shaping Machine Dough Molder Square Bread Shaper Bakery Equipment YSN-T380
$9,695.20
Michelin Tire 255/50R20 109V - Compatible with VW Teramont, Trumpchi GS8, AITO M7, Li Auto L7/L8/L9, and NIO ES6
$550.00
Traditional Wooden Rattle with Sheepskin Head for Early Education Newborns Boys and Girls Visual Tracking Grip and Hearing Training
$11.88
French Canson Classic Printmaking Paper 100% Cotton 320g for Screen Printing, Woodcut, Copperplate, Lithography; 250g Cotton Pulp 60*76cm Half Sheet 8K Quarter Sheet A4 Printmaking Painting Tool Set Ink Roll Rubbing Paper
$7.65
Fan Start Capacitor 8uF for ABB ACS800 VFD
$350.00
babycare Baby Rattle with Teether for Newborns, Silicone Shaker Bell Educational Toy for Infants and Toddlers
$39.90
Class 100 Clean Workbench and Laminar Flow Hood, Negative Pressure Weighing Booth, Direct from Manufacturer
$2,475.00
1.9m 4-Printhead Digital Sublimation Printer for Diatom Mud, Polyester Fabric, and Garment Heat Transfer Printing
$600.00
ergo5950 Acrylic Specialty Adhesive - High-Strength Bond for Acrylic Sheets, PMMA, Glass, Fish Tanks, PLA, and PC Boards
$57.84
Invisalign Orthodontic Retainer Storage Box - Compact Portable Cleaning Case for Teeth Aligners and Dentures
$12.30
![[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
![[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)
