Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Chip | STC89C52RC / AT89S52 Compatible |
| Operating Voltage | 5V DC |
| Crystal Oscillator | 11.0592 MHz |
| Program Memory | 8KB Flash EEPROM |
| Data Memory | 256 Bytes RAM |
| I/O Ports | 32 Programmable I/O Lines |
| Interface Type | DB9 Serial Port / USB-to-TTL Header |
| Board Dimensions | 75mm x 55mm x 15mm |
| Power Supply | USB or External DC Jack |
| Included Components | PCB, IC Socket, Capacitors, Resistors, LED Indicators |
Anonymous
Mar 28, 2026
Rating: 5/5
Reliable minimal system
I've used this for several prototype projects. The minimal system design ensures there are no unnecessary components interfering with your circuit. Programming via the serial port works flawlessly with Keil and SDCC compilers.
Anonymous
Mar 25, 2026
Rating: 5/5
Bulk purchase for our club
Bought ten of these for our university robotics club. Every single board worked out of the box. It's a robust platform for teaching microcontroller fundamentals without the complexity of modern ARM boards.
Anonymous
Mar 19, 2026
Rating: 5/5
Perfect for learning embedded systems
This board is exactly what I needed to start learning about the 8051 architecture. The discrete components make it easy to understand the circuit layout, and the documentation provided was clear. Highly recommended for students.
Anonymous
Mar 16, 2026
Rating: 4/5
Nostalgic and functional
Takes me back to my college days. The 51 core is old but gold for understanding interrupts and timers. The only downside is the lack of an onboard USB programmer, but using an external TTL adapter is simple enough.
Anonymous
Mar 03, 2026
Rating: 5/5
Excellent starter kit
As someone new to hardware, this board was not too intimidating. The layout is logical, and finding example code online for the 51 series is very easy. Successfully blinked an LED on the first try!
Anonymous
Mar 02, 2026
Rating: 4/5
Good value but requires soldering
Great kit for the price. Note that some versions come as a kit requiring you to solder the discrete parts yourself, which is actually a plus for learning. The crystal frequency is standard for serial communication projects.
Q: Is the crystal oscillator replaceable if I need a different frequency?
A: Yes, the crystal oscillator is mounted in a holder or soldered with standard pitch, allowing advanced users to replace the 11.0592MHz crystal with another frequency suitable for their timing requirements.
Q: What software compiler is recommended for this 51 board?
A: You can use Keil C51, SDCC (Small Device C Compiler), or even assembly language. SDCC is a popular free open-source option that works well with this hardware.
Q: Are schematic diagrams available for download?
A: Yes, we provide a PDF schematic diagram and a basic datasheet for the microcontroller in the 'Product Guides' section of the listing page to assist with your development.
Q: Does this board come pre-assembled or as a soldering kit?
A: It depends on the specific option selected at checkout. We offer both fully assembled modules and discrete part kits for educational soldering practice. Please check the product variation details.
Q: Can I power this board directly via a standard USB cable?
A: Yes, the board features a standard USB interface for 5V power supply. However, for programming, you may need a separate USB-to-TTL serial adapter depending on the specific sub-model you purchased.
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