Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | STC89C52 / STC12C5A60S2 Compatible |
| Architecture | 8051 (MCS-51) |
| Operating Voltage | 5V DC |
| Clock Frequency | 11.0592 MHz (Standard) |
| Program Memory | On-chip Flash (Size varies by specific chip installed) |
| Data Memory | 256 Bytes RAM |
| I/O Ports | 4 x 8-bit Ports (P0, P1, P2, P3) |
| Communication Interfaces | UART, SPI, I2C support via GPIO |
| Programming Interface | ISP via USB-to-TTL or MAX232 Serial Port |
| Board Dimensions | Approx. 75mm x 55mm |
Anonymous
Mar 26, 2026
Rating: 4/5
Solid hardware, easy to program
Flashing code via the serial port was straightforward once I got the right drivers installed. The board feels durable. Just wish it came with a USB cable included in the package.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to refresh my knowledge on the 8051 microcontroller family. The pinout is clearly labeled, and it works seamlessly with the STC-ISP software. Great value for students.
Anonymous
Mar 15, 2026
Rating: 4/5
Good starter kit, manual could be better
The hardware quality is solid and all LEDs and buttons work as expected. However, the included documentation is a bit sparse. You will need to rely on online forums for some of the more complex examples.
Anonymous
Mar 12, 2026
Rating: 5/5
Classic 51 MCU experience
Brings back memories of university labs. The STC12C5A60S2 compatibility is a nice bonus for faster execution speeds. Everything arrived well-packaged and functional.
Anonymous
Mar 12, 2026
Rating: 3/5
Works but requires external programmer adapter
The board itself is fine, but note that you need a separate USB-to-TTL adapter to program it unless you buy the bundle version. Once set up, it runs my assembly code without issues.
Anonymous
Mar 02, 2026
Rating: 5/5
Robust minimum system board
I've used this for several prototype projects involving sensor reading and LCD display control. The reset circuit and crystal oscillator are stable. Highly recommended for embedded systems beginners.
Q: Can I use Keil uVision with this board?
A: Yes, absolutely. This board uses standard 8051 architecture chips, so it is fully compatible with Keil uVision IDE for writing, compiling, and debugging your C or Assembly code.
Q: What is the maximum operating voltage for the I/O pins?
A: The board operates at 5V logic levels. Please ensure any connected peripherals are 5V tolerant. Connecting 3.3V logic devices directly may work but is not guaranteed without level shifting.
Q: Does it support in-system programming (ISP)?
A: Yes, the STC89C52 and STC12C5A60S2 chips on this board support ISP. You can reprogram the flash memory directly on the board using the serial port and the official STC-ISP software tool.
Q: Is the crystal oscillator replaceable if I need a different frequency?
A: Yes, the board uses a standard DIP socket or through-hole mounting for the crystal. You can desolder the default 11.0592MHz crystal and replace it with another frequency supported by the STC chip, such as 12MHz.
Q: Does this board come with a USB cable for programming?
A: No, this specific listing includes only the development board. You will need a separate USB-to-TTL serial adapter (3.3V or 5V compatible) to program the microcontroller via the ISP interface.
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