Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | STC89C52RC |
| Architecture | 8051 (MCS-51) |
| Download Interface | CH340 USB to TTL |
| Operating Voltage | 5V DC |
| Crystal Oscillator | 11.0592 MHz |
| Flash Memory | 8 KB |
| RAM | 256 Bytes |
| I/O Ports | 32 Programmable Pins |
| Board Dimensions | 55mm x 38mm |
| Included Components | Core Board, USB Cable, Pin Headers |
Anonymous
Mar 25, 2026
Rating: 4/5
Solid minimal system board
Good quality PCB and soldering. The reset button and power LED are clearly labeled. I deducted one star because the silk screen for some GPIO pins is a bit small, but otherwise, it functions perfectly.
Anonymous
Mar 22, 2026
Rating: 5/5
Excellent build quality
The components are well-placed, and there is enough room to solder header pins if they aren't pre-installed. A must-have for anyone working with legacy 51-based systems or teaching microcontroller basics.
Anonymous
Mar 15, 2026
Rating: 5/5
Reliable and affordable
I have bought three of these now. They are consistent in quality and perfect for prototyping simple control logic. The 11.0592MHz crystal is ideal for precise baud rate generation.
Anonymous
Mar 07, 2026
Rating: 5/5
Great for university projects
Used this for my embedded systems course. The minimal system design saves space on my breadboard setup. Downloading code via the USB port is very fast and reliable.
Anonymous
Mar 06, 2026
Rating: 4/5
Good starter board
Works as advertised. The documentation provided by the seller was helpful in getting the IDE set up. Would recommend having a multimeter handy just to verify pinouts before connecting external sensors.
Anonymous
Mar 05, 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 CH340 chip works flawlessly with Windows 10, and the drivers were easy to install. Great value for students.
Q: Can I power this board with a 9V battery?
A: No, this board operates strictly at 5V. Connecting a 9V source directly may damage the microcontroller. Please use a regulated 5V supply or the USB port.
Q: Are the pin headers pre-soldered?
A: This depends on the specific option selected at checkout. Most standard shipments include pre-soldered headers, but please check your order details.
Q: Does this board come with the USB cable included?
A: Yes, the package includes a standard Micro-USB cable for power and serial downloading.
Q: What bootloader does this use for serial download?
A: It uses the proprietary STC ISP bootloader, which allows direct downloading via the UART interface without an external programmer.
Q: Is this compatible with Keil uVision software?
A: Absolutely. The STC89C52RC is fully supported by Keil uVision for C51 development.
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