Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Chip | STC89C52RC / STC12C5A60S2 compatible |
| Architecture | 8051 (MCS-51) Family |
| Package Type | DIP-40 Socket |
| Operating Voltage | 5V DC |
| Clock Frequency | Up to 35MHz (depending on chip) |
| Program Memory | 8KB Flash (on-chip) |
| Data Memory | 256 Bytes RAM |
| I/O Ports | 32 Programmable I/O Lines |
| Programming Interface | ISP via USB-to-TTL or Serial Port |
| Board Dimensions | 75mm x 55mm |
Anonymous
Mar 22, 2026
Rating: 5/5
Classic 51 core done right
If you need to maintain legacy code or teach the fundamentals of microcontrollers without the complexity of ARM, this is the board to get. Robust construction and reliable performance.
Anonymous
Mar 20, 2026
Rating: 4/5
Solid basic board
Good quality PCB and components. It lacks some advanced peripherals found on newer boards, but for a minimum system to learn assembly or C51, it is ideal. Shipping was fast.
Anonymous
Mar 13, 2026
Rating: 5/5
Reliable and simple
No unnecessary bloatware or complex drivers. Just plug in your programmer and go. The crystal oscillator is stable, and the reset circuit works perfectly every time.
Anonymous
Mar 07, 2026
Rating: 4/5
Good starter kit component
Works as advertised. I wish it came with a USB cable included, but considering the low price, I can't complain. The silk screen printing is legible and helpful for wiring.
Anonymous
Mar 06, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to get started with the STC89C52RC. The layout is clear, all pins are broken out, and it works flawlessly with the STC-ISP software. Great value for students.
Anonymous
Mar 01, 2026
Rating: 5/5
Great for university projects
Bought this for my embedded systems course. The DIP socket makes it easy to swap chips if something goes wrong during testing. Documentation online is plentiful for this specific model.
Q: Is the crystal oscillator replaceable if I need a different frequency?
A: Yes, the board features a standard crystal socket. You can easily replace the default crystal with another value supported by the STC89C52RC, provided you adjust your fuse settings accordingly.
Q: Can I use this with the Keil C51 compiler?
A: Yes, this board uses the standard 8051 architecture and is fully compatible with the Keil C51 compiler as well as SDCC (Small Device C Compiler).
Q: Does it support in-system programming (ISP)?
A: Absolutely. The STC89C52RC supports ISP via the UART interface. You can program the chip while it is soldered on the board or seated in the DIP socket using the TX/RX pins.
Q: Does this board come with a USB programmer cable?
A: No, this listing is for the development board only. You will need a separate USB-to-TTL serial adapter or a dedicated STC ISP programmer to upload code.
Q: What is the maximum voltage tolerance for the I/O pins?
A: The board operates at 5V. Please do not exceed 5.5V on any I/O pin to avoid damaging the microcontroller. For 3.3V logic, a level shifter is recommended.
Universal Front Mount Hook for E-Bikes and Motorcycles, No-Drill Helmet and Delivery Bag Hanger
$5.98
Huapu Haiyu Haixun Haishang Haiyue Haifeng 1.3L 1.XL 1.8L Clutch 5 Three-Piece Assembly
$436.00
Portable Oxygen Concentrator with Replaceable Batteries - Complete Set Including 4-Core, 8-Core, and 12-Core Batteries with Charging Base
$400.00
Custom 90° Right-Angle Hook Tool for Pulsator Washing Machine Base Removal
$2.36
MOMA Small Ma 4K Wireless Video Transmission System with HDMI and SDI for Filming and Live Streaming
$1,999.00
Youzhao Pai Creative Retro 3D Embossed House Number Plate – Custom Door Signs for Villas, Commercial Spaces, and Homes
$200.00
Tianzheng DZ15LE-100/3N901T 100A Transparent Leakage Circuit Breaker, Molded Case Circuit Breaker 3901T 63A
$278.00
![[Daimai Holds Micro-Needle Hair Transplant Patent] Little Red Cap Hydro Glow | Scalp Hydration and Repair](https://www.gosteppe.com/cache/small/product/270424/legacy-main-ecbdc6ee4688639f4a8ef150.webp)
[Daimai Holds Micro-Needle Hair Transplant Patent] Little Red Cap Hydro Glow | Scalp Hydration and Repair
$880.00
Pelican Rolling Case pelican1560 - Waterproof Shockproof Safety Case for Photography Equipment and Instruments
$1,550.00
Disipulai Hot Air Circulation Vertical Food Warmer Display Cabinet - Adjustable Temperature Countertop Cooked Food Warming Equipment
$2,023.00
Complete Pasteurization Production Line for Pomegranate, Grape, Orange, Apple Juice, and Mare's Milk
$6,048.00
Portable Tire Stone Removal Tool - Essential Handheld Hook for Car Owners
$13.73
Factory Direct Longan 160 Curved Hot Stamping Machine Fully Automatic Hot Foil Printer Pneumatic Heat Press Leather Embossing Machine
$10,000.00
Bean Sprout Germinator Tray, Hydroponic Vegetable Growing Container, Soil-Free Pea Sprouting Pot
$14.06
TOPTOY Crayon Shin-chan Memory Echo Series Blind Box - Anime Figure Collectible Toy and Birthday Gift
$47.20
Natural Lightning Cat's Eye Yellow Tiger Eye Loose Beads, Single Crystal Beads for DIY Bracelets and Accessories
$3.91
Pirelli Tire 235/55R19, Original Equipment for Mercedes-Benz GLC, Genuine Tire Compatible with Audi/Land Rover/etc.
$512.00
Biliansheng Hair Transplant: No-Shave Hairline Restoration, Top Thinning Density Enhancement, Nationwide Chain
$9,999.00
Luru Authentic 15-Note Steel Tongue Drum - Professional Grade for Beginners, Adults, and Children
$500.00
![MOOCAT [Postage Stamp Stub] Hand-Drawn Blank Irregular Wood Pulp Fine-Texture Paper for Cyanotype, OC Signing, and Collage](https://www.gosteppe.com/cache/small/product/270412/legacy-main-3037a70329c5379f7064bc16.webp)
MOOCAT [Postage Stamp Stub] Hand-Drawn Blank Irregular Wood Pulp Fine-Texture Paper for Cyanotype, OC Signing, and Collage
$9.90
Used Car Tires - Sizes 155/165/175/185/195/205/215 for 13/14/15/16 inch Rims
$140.00
Pin Puller Extractor Mechanical Repair Tool Bearing Puller and Locating Pin Extractor
$76.50
Water Brush Pen Set with Large Capacity - Essential Tools for Beginners Using Gouache, Solid Watercolor Paints, and Line Drawing; Perfect for Art Students
$32.00
C9335 Automotive Brake Disc Lathe – Resurfacing, Boring, Grinding & Polishing Machine
$16,005.00
Jaguar Tire Lug Nuts Compatible with XE/XF/XJL/F-TYPE/F-PACE - Wheel Hub Screw Caps for Modification
$118.00
Three-Hook Tire Stone Removal Tool, Wheel Groove Cleaner for Removing Stones from Vehicle Tires
$4.80
Pad Printer Accessories: 4-Inch Blade Clamp, Blade Holder, and Doctor Blade Assembly
$5.40
3M Industrial Scouring Pad 7447C, Metal Rust Removal, Stainless Steel Brushing and Polishing Cloth
$4.00
Qinghe Blazing Rose Series
$1,580.00
Cheddar Cheese Production Line, Front-End Processing and Deep Processing Machinery, Mozzarella Cheese Equipment
$25,480.00
![[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)
