Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Chip | STC89C52RC |
| Architecture | 8051 (MCS-51) |
| USB Interface | CH340 Serial Converter |
| Operating Voltage | 5V DC |
| Clock Frequency | 11.0592 MHz Crystal |
| Flash Memory | 8KB ISP Flash |
| RAM | 256 Bytes Internal SRAM |
| I/O Ports | 32 Programmable I/O Lines |
| Programmer Type | In-System Programming (ISP) via USB |
| Board Dimensions | 55mm x 38mm |
Anonymous
Mar 29, 2026
Rating: 4/5
Solid board, minor documentation gaps
Bought five of these for my electronics class. They work reliably, but the pinout diagram on the silk screen could be clearer. Once you download the datasheet, everything makes sense.
Anonymous
Mar 28, 2026
Rating: 5/5
Robust build quality
The PCB thickness feels premium, and the soldering joints are clean. We have been using these in our makerspace for months without a single failure. Highly recommended for bulk orders.
Anonymous
Mar 24, 2026
Rating: 5/5
Great starter kit component
I am building a custom sensor node and used this as the base. The minimum system design saves space, and the exposed headers make it easy to connect peripherals like LCDs and sensors.
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to get back into microcontroller programming. The CH340 driver installed easily on Windows 10, and Keil uVision recognized the chip immediately. Great value for students.
Anonymous
Mar 19, 2026
Rating: 5/5
Reliable ISP functionality
The in-system programming feature works flawlessly. No need to remove the chip to update code. The USB connection is stable, and the reset button is well-placed for debugging.
Anonymous
Mar 01, 2026
Rating: 4/5
Nostalgic and functional
Brings me back to university days. The STC89C52RC is a classic. Performance is adequate for control tasks, though don't expect ARM speeds. Perfect for simple automation projects.
Q: Where can I find the drivers for the CH340 chip?
A: The CH340 drivers are widely available online. You can download them from the official WCH website or find them in the 'Drivers' folder if you purchased our complete starter kit bundle.
Q: Is this compatible with Arduino IDE?
A: Not natively. This board uses the 8051 architecture and typically requires compilers like Keil C51 or SDCC. It is not directly compatible with the Arduino IDE which targets AVR, SAM, or ESP chips.
Q: What software do I need to program this chip?
A: You can use the STC-ISP software provided by STC Micro for downloading hex files. For coding, popular options include Keil uVision, SDCC (open source), or Ashling C compilers.
Q: Does this board come with a USB cable included?
A: No, the board does not include a USB cable. You will need a standard Micro-USB or Mini-USB cable (depending on the specific batch connector type, usually Micro) to connect it to your computer.
Q: Can I power this board with 3.3V?
A: No, the STC89C52RC operates at 5V. Supplying only 3.3V may result in unstable operation or failure to run. Please ensure you provide a stable 5V power source via the USB port or the 5V pin.
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