Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | STC89C52RC |
| Architecture | 8051 Compatible (51 MCU) |
| Operating Voltage | 5V DC |
| Clock Frequency | Up to 35MHz |
| Flash Memory | 8KB ISP Flash |
| RAM | 256 Bytes |
| I/O Ports | 32 Programmable I/O Lines |
| Program Interface | USB to TTL / Serial ISP |
| Board Dimensions | 45mm x 35mm |
| Application | Education, Prototyping, Industrial Control |
Anonymous
Mar 21, 2026
Rating: 4/5
Good starter kit component
We use these in our intro to microcontrollers class. They are durable enough for beginners. Just ensure you have the correct drivers installed for your programming cable.
Anonymous
Mar 18, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to refresh my knowledge on the classic 51 MCU. The pinout is clearly labeled, and it works flawlessly with the STC-ISP software. Great value for students.
Anonymous
Mar 17, 2026
Rating: 5/5
Great for university projects
Used this for my embedded systems final project. The reset button and crystal oscillator are stable. Compilation and uploading code were smooth processes.
Anonymous
Mar 11, 2026
Rating: 5/5
Reliable and cheap
Bought five of these for a workshop. All of them worked out of the box. The STC89C52RC is a robust chip for simple control tasks.
Anonymous
Mar 05, 2026
Rating: 5/5
Excellent minimal design
No unnecessary bloat on this board. It provides just the essentials for the MCU to run, allowing me to build custom circuits around it easily.
Anonymous
Mar 04, 2026
Rating: 4/5
Solid basic board
Good quality soldering and components. It lacks an onboard USB-to-serial converter, so you need an external programmer, but that is expected for a minimal system board at this price point.
Q: Does this board come with a USB cable for programming?
A: No, this is a minimal system board and does not include a USB-to-TTL programmer cable. You will need to purchase a separate USB-to-Serial adapter compatible with 5V logic to upload code.
Q: What software is required to program the STC89C52RC?
A: You can use the official STC-ISP software provided by STC Micro. It supports Windows and allows you to compile hex files from Keil C51 or SDCC and upload them via the serial interface.
Q: Are there example codes available for this specific board?
A: Since this uses the standard STC89C52RC chip, any example code written for the generic 8051 family or specifically for STC89 series will work. You can find many tutorials online regarding GPIO toggling, timer usage, and UART communication.
Q: Can I power this board via the USB header if I add a converter?
A: Yes, if you connect a 5V source to the VCC and GND pins, the board will operate. However, ensure your external power supply is stable and regulated to avoid damaging the microcontroller.
Q: Is the crystal oscillator replaceable?
A: The board comes with a standard 11.0592MHz or 12MHz crystal soldered on. While it is technically possible to desolder and replace it, we recommend using the installed one for standard baud rate generation unless you have specific timing requirements.
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