Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | AT89C52 / STC89C52 |
| Architecture | 8051 (MCS-51) |
| Operating Voltage | 5V DC |
| Crystal Oscillator | 11.0592 MHz |
| Flash Memory | 8 KB |
| RAM | 256 Bytes |
| I/O Ports | 32 Programmable Lines |
| Programmer Interface | ISP via USB-to-TTL |
| Board Dimensions | 54mm x 38mm |
| Application | Education, Prototyping, Industrial Control |
Anonymous
Mar 30, 2026
Rating: 4/5
Solid build, basic features
It's a no-frills minimum system board, which is exactly what the description promised. No extra LEDs or sensors, just the core essentials. Works great for custom circuit design.
Anonymous
Mar 28, 2026
Rating: 5/5
Great bulk purchase for our club
Bought ten units for our university robotics club. Every single board powered up without issues. Support team was helpful when we had questions about the ISP protocol.
Anonymous
Mar 25, 2026
Rating: 5/5
Excellent for legacy system maintenance
Needed a replacement for an old industrial controller prototype. This board fits the bill perfectly. The STC89C52 chip is compatible with all my existing hex files.
Anonymous
Mar 15, 2026
Rating: 4/5
Good quality, fast shipping
The board arrived in two days and was well packaged. The soldering looks clean. I deducted one star because the manual was a bit sparse, but online resources filled the gap.
Anonymous
Mar 09, 2026
Rating: 5/5
Reliable core board
I've bought three of these for different student projects. They are robust and handle voltage fluctuations well. The reset button and crystal oscillator are perfectly placed.
Anonymous
Mar 09, 2026
Rating: 5/5
Perfect for beginners learning 8051
This board is exactly what I needed to start my microcontroller journey. The pinout is clearly labeled, and it worked immediately with my USB programmer. Great value for the price.
Q: Can I use this with Keil uVision software?
A: Yes, absolutely. The AT89C52/STC89C52 is fully compatible with Keil uVision for compiling and debugging 8051 assembly or C code.
Q: Can I power this directly from a 9V battery?
A: No, this board operates at 5V. Connecting a 9V battery directly to the VCC pin may damage the microcontroller. Please use a regulated 5V power supply or a voltage regulator module.
Q: What is the maximum clock speed supported?
A: The board comes populated with an 11.0592 MHz crystal, which is standard for serial communication baud rates. The chip itself can support up to 33MHz, but you would need to replace the crystal.
Q: Does this board come with a USB cable for programming?
A: No, this is a core board only. You will need a separate USB-to-TTL adapter or programmer to upload code to the microcontroller.
Q: Is the chip pre-programmed with any demo code?
A: Generally, the chips are blank. However, some batches may include a simple LED blinking demo. Please assume it is blank unless specified otherwise in your order notes.
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