Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Chip | STC89C52RC / ATmega32 (Selectable) |
| Architecture | 8-bit 51/AVR Microcontroller |
| Operating Voltage | 5V DC |
| Clock Frequency | 11.0592MHz / 16MHz |
| Flash Memory | 8KB to 32KB (Dependent on chip) |
| SRAM | 256 Bytes to 2KB |
| I/O Ports | 32 Programmable I/O Lines |
| Interface Type | ISP, UART, SPI, I2C |
| Board Dimensions | 85mm x 55mm x 15mm |
| Application | Education, Prototyping, Industrial Control |
Anonymous
Mar 30, 2026
Rating: 5/5
Great starter kit
Bought this for my university lab. Students find it very easy to interface with sensors and LEDs. The dual support for 51 and AVR makes it versatile for different curriculum requirements.
Anonymous
Mar 16, 2026
Rating: 5/5
Perfect for learning embedded systems
This board is exactly what I needed to refresh my knowledge on 51 architecture. The pinout is clearly labeled, and it works seamlessly with standard programmers. Great value for students.
Anonymous
Mar 16, 2026
Rating: 4/5
Does the job
Simple, no-frills development board. It lacks some modern features like onboard debugging, but for the price point and its intended educational purpose, it performs perfectly.
Anonymous
Mar 12, 2026
Rating: 5/5
Reliable for prototyping
We use these boards in our makerspace for introductory workshops. They are robust enough to handle beginner mistakes and cheap enough to replace if something goes wrong. Highly recommended.
Anonymous
Mar 04, 2026
Rating: 4/5
Solid build quality
The PCB feels sturdy and the components are well-soldered. I used the ATmega32 version for a small automation project. Only minor issue was the lack of a detailed schematic in the box, but found it online easily.
Anonymous
Mar 01, 2026
Rating: 4/5
Good compatibility
Works well with Keil and AVR Studio. The reset button is responsive and the crystal oscillator seems stable. Would recommend buying a separate USB-TTL adapter if you don't have one already.
Q: Can I use Arduino IDE with the ATmega32 version of this board?
A: Yes, the ATmega32 variant is compatible with the Arduino IDE, though you may need to install specific board definitions or cores depending on your setup configuration.
Q: Does this board come with a USB cable for programming?
A: No, the board typically requires a separate USB-to-TTL serial adapter or an ISP programmer, which are sold separately. Please check the product package contents list for specifics.
Q: What is the maximum current output per I/O pin?
A: For the STC89C52RC, each I/O pin can typically source/sink up to 20mA, but the total current for all ports should not exceed specified limits in the datasheet. Always refer to the specific chip datasheet for safe operating conditions.
Q: Does this support 3.3V logic levels?
A: No, this board operates strictly at 5V logic levels. Connecting it directly to 3.3V devices without a level shifter may damage the microcontroller or result in communication errors.
Q: Is the crystal oscillator replaceable if I need a different frequency?
A: Yes, the board uses a standard socketed crystal oscillator. You can carefully remove it and replace it with another compatible frequency, provided your code and fuse settings are adjusted accordingly.
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