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Home / Development, Learning, Evaluation & Industrial Control Boards / 51 Microcontroller Development Board Learning Board Experiment Board Core Board Kit DIY Soldering Components Accessories Finished Version

Attributes

Brand -
Category Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin -
Microcontroller Type STC89C52RC / AT89S52 Compatible
Operating Voltage 5V DC
Clock Frequency 11.0592 MHz Crystal Oscillator
Program Memory 8KB Flash EEPROM
Data Memory 256 Bytes RAM
I/O Ports 32 Programmable I/O Lines (P0-P3)
Communication Interfaces UART, SPI, I2C Support
Expansion Headers Standard 2.54mm Pitch Pin Headers
Power Supply USB Port or External DC Jack
Board Dimensions 75mm x 55mm x 15mm

6 reviews

A

Anonymous

Mar 25, 2026

Rating: 5/5

Nostalgic and functional

Love working with the classic 51 architecture again. This finished version saves so much time compared to building from scratch. The reset button and ISP programmer interface work perfectly.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Great starter kit

Everything you need to get started is here. The USB cable included works well for both power and data. Only minor issue is the LED brightness is a bit high for dark rooms, but easily fixed with a resistor.

A

Anonymous

Mar 18, 2026

Rating: 4/5

Good quality but manual could be better

The hardware itself is solid and the soldering joints look professional. However, the included PDF manual is a bit sparse on example code. Had to find resources online, but the board performs flawlessly.

A

Anonymous

Mar 16, 2026

Rating: 5/5

Reliable for classroom use

Bought ten of these for our university lab. Students find them easy to program using Keil or SDCC. No dead-on-arrival units, and they withstand frequent plugging and unplugging.

A

Anonymous

Mar 16, 2026

Rating: 5/5

Perfect for beginners learning embedded systems

This board arrived fully assembled and worked immediately. The pinout is clearly labeled, making it easy to connect sensors and LEDs. Great value for anyone starting with 8051 architecture.

A

Anonymous

Mar 04, 2026

Rating: 5/5

Excellent build quality

The PCB layout is clean and the components are securely mounted. I've run several continuous tests for days without any overheating or stability issues. Highly recommended for prototyping.

5 FAQ

Q: Can I power this board with a 9V battery?

A: While there is a DC jack, please ensure your external source is regulated to 5V. Connecting a raw 9V battery directly may damage the board unless used with a proper 5V regulator module.

Q: Does this board come with a USB cable for programming?

A: Yes, the kit includes a standard USB cable that handles both power supply and data transfer for programming the microcontroller.

Q: What is the maximum current draw per I/O pin?

A: Each I/O pin can typically sink/source up to 20mA, but the total current for all ports combined should not exceed the microcontroller's absolute maximum ratings specified in the datasheet.

Q: Which software compilers are compatible with this board?

A: This board supports popular 8051 compilers such as Keil C51, SDCC (Small Device C Compiler), and Assembly language environments.

Q: Is the source code for the demo program provided?

A: Yes, a download link for sample source code and drivers is printed on the quick start guide included in the package.

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