Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Type | 8051 (STC89C52RC) |
| Channel Count | 8 Independent Input Channels |
| Display Interface | 4-Digit 7-Segment LED Display |
| Input Method | Tactile Push Buttons with Debounce Circuit |
| Power Supply | DC 5V via USB or Barrel Jack |
| Programming Interface | Standard ISP Download Port |
| PCB Material | FR-4 Glass Epoxy, Double-sided |
| Kit Contents | PCB, Components, Solder, Manual, Case |
| Skill Level Required | Intermediate (Soldering & C Programming) |
| Application Scenario | Educational Workshops, Quiz Competitions, DIY Projects |
Anonymous
Mar 30, 2026
Rating: 5/5
Nostalgic and Educational
Brings me back to my college days. The 8051 architecture is classic, and this board lets you understand interrupt handling and I/O ports practically. Highly recommended.
Anonymous
Mar 28, 2026
Rating: 5/5
Perfect for University Electronics Lab
We used this kit for our sophomore embedded systems course. The schematic is clear, and the components are high quality. Students loved building the buzzer logic from scratch.
Anonymous
Mar 27, 2026
Rating: 5/5
Robust design for repeated use
I run a local STEM club, and we have built three of these. They hold up well to enthusiastic button pressing by kids. The debounce circuitry is implemented very well.
Anonymous
Mar 23, 2026
Rating: 3/5
Good hardware, steep learning curve for coding
The soldering was fun and easy, but modifying the C code for custom rules was challenging for a beginner. Would recommend having some prior 8051 experience before buying.
Anonymous
Mar 14, 2026
Rating: 4/5
Excellent value for money
Bought ten sets for our school electronics club. The price point is unbeatable for what you get. One board had a cold solder joint on the display, but it was easy to fix.
Anonymous
Mar 12, 2026
Rating: 4/5
Great learning tool, instructions could be clearer
My son and I built this over a weekend. The hardware works flawlessly once assembled. The code examples in the manual were a bit sparse, but we found good resources online to supplement it.
Q: Can I power this board with a 9V battery?
A: The board requires a stable 5V DC supply. While there is a voltage regulator on some versions, we strongly recommend using a regulated 5V USB power source to ensure accurate timing and display stability.
Q: Can I expand this to 16 channels?
A: The current PCB layout is fixed for 8 channels. To support 16 channels, you would need to design a custom PCB or daisy-chain two boards and modify the master control code significantly.
Q: Is the case included in the package?
A: Yes, most standard kits include a transparent acrylic case and screws for assembly. Please check the specific listing images to confirm, as bulk packs may vary.
Q: Does this kit come with pre-written source code?
A: Yes, the kit includes a CD/Download link with basic C source code for the standard quiz buzzer functionality, which you can modify using Keil C51 or SDCC.
Q: What programmer do I need to upload code to this board?
A: You will need a standard USB-to-TTL serial adapter or a dedicated STC-ISP programmer compatible with the 8051 series. The board has a standard 6-pin ISP header.
Tire Stone Removal Hook with Built-in Screwdriver - Multi-Function Tool for Tire Cleaning, Window Breaking, and Self-Defense
$8.90
Blower Motor Compatible with Hummer H3, Hummer H2, and Cadillac Escalade
$340.00
Custom Fertilizer Integration Machine for Agriculture and Landscaping - Smart Quantitative Mobile Filtration System
$1,960.00
High-Speed Cell Sieve with Handle - Stainless Steel Laboratory Sieves (100, 200, 300, 400, 600 Mesh)
$61.74
Stainless Steel Food Warmer for Hotels and Breakfast Buffets - Commercial Flip-Top Chafing Dish with Insulation; Compatible with Induction Cookers
$1,288.00
Marie's Blending Stumps Set for Sketching and Shading, Professional Art Supplies for Students
$2.55
National Standard JB/ZQ4606-86 Felt Oil Seal Ring - Bearing Oil Absorption, Dustproof, Industrial Wool Felt Gasket Strip
$0.50
Qingzhu Sketching Eraser Knife and Paper Stump Tool Set for Art Students - Includes Replacement Tips, Gray Surface Pens, Makeup Sponge Blenders, Cotton Swabs, Foam Balls, Soft Blending Pens, Precision Insert Knives, and Sketch Eraser Balls
$7.20
4-Leg Chain Rigging Set - Alloy Steel Lifting Tool (1-200 Tons) with Multi-Leg Electromagnetic Chuck
$52.50
Commercial 1.8/2.2m Food Warmer Cabinet for Fried Chicken and Burger Shops, French Fry Heating Unit, 1.5m Two-Way Pickup Display Case
$3,573.50
Commercial Electric Heated Stainless Steel Fast Food Serving Counter Soup Warmer Buffet Cart
$842.00
Natural Crystal White Azeztulite Loose Beads with Rainbow Luster for DIY Necklaces, Bracelets, and Jewelry Making
$5.54
Ai Zao Fang Six-Cavity Oval Totem Handmade Soap Silicone Mold - Yields Approx. 115g per Bar
$17.70
Zunjue Wire-Bound 8K Watercolor Notebook 300g Watercolor Sketchbook Loose-Leaf Portable 16K Water-Soluble Colored Pencil Notebook Coil-Bound 32K Medium Coarse Fine Grain 200g Kids Students A4 Watercolor Notebook Plein Air Sketch Drawing Book
$7.65
Yuan Dynasty Calligraphy by Zhao Mengfu - Small Regular Script Diamond Sutra Brush Tracing Long Scroll Copybook, Original Version, Wholesale and Customization Available
$15.00
Kodak Photo Printing Service - High-Definition Prints from Your Phone with Lamination and Album Binding
$12.47
Shenzhen Custom Storefront Signage and Lightbox Installation - Illuminated Letters and Shop Plaques
$50.00
Automotive AC Refrigerant Gauge Set – R134a Pressure Meter with Dual Valve Tool for Home R22/R410 Air Conditioning Systems
$329.00
Complete Collection of Taoist Talisman Art Copybooks - Zhengyi Thirty-Six Generals, Calligraphy Practice Sheets with Stroke Order and Red Tracing, Classic Taoist Calligraphy
$38.00
Marie's Blending Knife Replacement Head Set Sketch Blending Tools Sponge Stumps Paper Stumps for Art Students
$4.25
French Imported Arches Watercolor Paper - Handmade 100% Cotton, 300g-850g, Medium/Rough Grain, Extra-Large Rolls and Sheets (4K, Full, Half, Quarter)
$33.10
Commercial Countertop Food Warmer Display Case - For Fried Chicken, Burgers, Egg Tarts, Pies, Youtiao, and Shaobing
$720.00
Integrated Hospital Wastewater Treatment Unit Underground Integrated Sanitary System Sewage Discharge Unit Eco-Friendly Wastewater
$10,000.00
Double Loop Lifting Chain with Rebar Bottom Hook - Manganese Steel Sling for Heavy Duty Rigging
$29.00
Screw Press Screw Sludge Dewatering Machine Sewage Treatment Equipment Rotary Type
$17,600.00
Imported INA Needle Roller Bearings: 9NA, NA 2940, 4R22, 4924, 4926, 4928, 4930-XL A
$109.00
High-Purity Nitrogen Generator for Reflow Soldering and Wave Soldering - Efficient Energy-Saving Transformer Protection for Electronics Factories
$46,100.00
Baohong Watercolor Paper 300g Wood Pulp Medium Grain A3 Full Sheet, Coarse/ Fine Grain Academy Grade 4K, A2, A1, A4 Artist Paper 2K for Art Students
$3.40
Manyue Handmade Natural Soy Wax and White Beeswax for DIY Low-Temperature Scented Candles – Includes Candle Cups and Jelly Wax
$5.46
Car Tire Stone Removal Tool Hook and Rake for Cleaning Tread Debris
$4.53
![[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)
