Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Model | STC12C5A60S2 |
| Architecture | 8051 Compatible (Enhanced) |
| Clock Speed | Up to 35 MHz |
| Flash Memory | 60 KB |
| SRAM | 1280 Bytes |
| Serial Ports | Dual UART |
| ADC Channels | 8-channel 10-bit |
| Operating Voltage | 3.3V - 5.5V |
| Program Interface | ISP via USB-TTL |
| Board Dimensions | 45mm x 35mm |
Anonymous
Mar 31, 2026
Rating: 4/5
Solid performance, good documentation support
The board performs well within its specs. Finding example code online is easy since the STC12 series is quite popular in the hobbyist community.
Anonymous
Mar 31, 2026
Rating: 5/5
Excellent for classroom use
Bought a batch for our electronics club. Students find it easy to program, and the built-in ADC saves us from needing external components for basic sensor readings.
Anonymous
Mar 27, 2026
Rating: 4/5
Great value, minimal setup required
Very affordable development board. The pinout is clearly labeled. I deducted one star because it doesn't come with a USB cable, but that's standard for these types of boards.
Anonymous
Mar 25, 2026
Rating: 5/5
Fast ISP programming
Programming speed is surprisingly fast. The minimal system design means less clutter on the bench. Highly recommended for anyone sticking to the 51 ecosystem.
Anonymous
Mar 22, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to get back into microcontroller programming. The dual serial port feature is a huge plus for debugging. It works flawlessly with the STC-ISP software.
Anonymous
Mar 15, 2026
Rating: 5/5
Reliable for industrial prototyping
I've used several of these for small control projects. The stability is impressive, and the enhanced instruction set makes coding much more efficient compared to older 51 chips.
Q: Are there example codes available for the dual serial ports?
A: Yes, the manufacturer provides demo code on their official website, and there are many community examples available on GitHub and electronics forums specifically for the STC12 series.
Q: Can I power this board directly with a 9V battery?
A: While the chip supports up to 5.5V, the board itself typically expects a 5V input. Connecting a 9V battery directly may damage the regulator or the chip. Please use a regulated 5V supply.
Q: Does this board come with a USB-to-TTL programmer included?
A: No, this is a minimal system board and does not include a USB programmer. You will need a separate USB-to-TTL adapter to upload code via the ISP pins.
Q: What is the maximum current draw per IO pin?
A: Each IO pin can typically source or sink up to 20mA, but the total current for the entire chip should not exceed the limits specified in the official datasheet to ensure stability.
Q: Is this compatible with Keil C51 compiler?
A: Yes, the STC12C5A60S2 is fully compatible with the Keil C51 compiler. You may need to select the appropriate device variant in your project settings.
Lint-Free Cloth 1009DLE/SLE - Straight/Net Weave for UV Printhead, Screen, Lens Cleaning, Industrial Wiping Cloth
$10.80
Pirelli PZ4 Tires, Sizes 235/245/255/265/285/40/45/50/55 R19/R20/R21/R22
$350.00
Wooden Plaque Carved Signboard for Business Opening, Antique-Style Shop Entrance Header, Custom Engraved Solid Wood Couplets MWU
$182.96
Kumho ES01 Car Tires: Sizes 155/165/175/185/205 with Aspect Ratios 55/60/69 and Rim Diameters 14/15/16/17
$458.00
Mont Marte Paint Brushes, Creative Children's Painting Brush Set (3 Pieces), Tempera Brush Kit for Kids
$6.50
Baohong Watercolor Paper 300g 8K/4K - Wood Pulp A1/A3/K3 350g Fine/Coarse Grain for Watercolor and Oil Pastels 4K
$4.00
Imported IK7 Linear Bearing LM 162837 203242 254059 304564 3552O0 UU
$96.00
Used Car Tires Auto Salvage Tires 155 165 175 185 195 205 215 1U3 14 15 16
$202.00
Magnetic Charging Stand for MIJIA Smart Audio Glasses (Enjoyment Edition) & Jiehuan AI Glasses – Wireless Installation for Type 86 Box
$84.10
Premium DIY Succulent Sand Painting Scented Candle Kit for Holidays and Team Building
$21.20
2018 / New 2024 Rockschool Drum Kit Levels 0-8 Complete with Bonus Audio
$21.98
Hanyue Cordura N66 Rafting Dry Bag - Ultra-Light Waterproof Storage for Outdoor Swimming and Trekking
$35.70
Sketchbook for Casual Drawing, Acrylic Marker and Watercolor Pad, Square Pocket Art Book, Portable Travel Journal with Thick 230g White Cardstock
$5.50
Wenxin Tang Calligraphy Copybook for Beginners, Regular Script Duobao Pagoda, Running Script Lanting Preface, Small Kai Lingfei Jing, Brush Character Cards
$23.80
Resistor NXBU714 for ABB ACS800 Inverter
$560.00
3D Printing Pen for Kids - Edible Malt Sugar Art DIY Kit for Birthdays (Age 6+)
$39.00
Professional Rotating Car Tire and Wheel Cleaning Rack – Effortless Washing Stand
$245.00
Nangong Wenfang Three-Character Classic Small Regular Script Copybook – Transparent Cards for Calligraphy Practice Beginners
$69.00
Over-Washing Machine Shelf, Multi-Function Flip-Top Storage Cabinet for Toilet, Bathroom Floor-Standing Unit with No Drilling Required
$32.88
UGREEN Cable Organizer, Magnetic Desktop Data Wire Fixer, Phone Charging Clip and Cord Collector
$15.90
Compact Manual Water Pump Dispenser for Home Desktop Use – Mini Hand-Press Faucet for Large Water Buckets
$23.10
Traditional Sheepskin Rattle Baby Chewable Old-Style Handmade Newborn Wave Drum Toy for Children 0-6 Months
$17.80
Amazon Best Seller Clearance - Outdoor Waterproof Dry Bag for Swimming, Rafting, Snorkeling, and Diving
$135.00
Huirui 420AB Fast-Curing Silicone Adhesive - High-Strength Instant Glue for Bonding Silicone Metal Plastic and Velcro
$36.00
IGBT Module FP15R12KE3/FP25R12KE3/FS50R12KE3/FS75R12KE3
$250.00
3F UL Gear Ventilated Waterproof Dry Bag – Compressible Storage for Sleeping Bags, Clothes, and Swim Gear
$40.80
Martini 100% Cotton Watercolor Paper 200g/300g Thickened Art Sketch Paper 4K Drawing Paper
$12.00
Flameless Aromatherapy DIY Kit - Natural Crystal Diffuser Stones for Home Decor and Demagnetizing
$4.68
![[Ali Health] Dental Implant Initial Consultation Package, Oral Cavity Filling, Crown, Denture, and Implant Assessment](https://www.gosteppe.com/cache/small/product/268910/legacy-main-034f7c58b79ebda262b6a7f8.png)
[Ali Health] Dental Implant Initial Consultation Package, Oral Cavity Filling, Crown, Denture, and Implant Assessment
$7.90
3M Industrial Scouring Pad for Polishing, Cleaning, and Rust Removal - Bulk Factory Supply with Aluminum Oxide
$7.20
![[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)
