Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Microcontroller Model	STC89C52RC
Operating Voltage	5V DC
Clock Frequency	11.0592 MHz
Flash Memory	8 KB
RAM	256 Bytes
I/O Ports	32 Programmable Lines
Interface Type	USB to TTL (CH340)
Supported OS	Windows XP, 8, 10, 11
Board Dimensions	55mm x 38mm
Package Includes	Board, USB Cable, Jumper Wires

6 reviews

Anonymous

Mar 17, 2026

Rating: 5/5

Nostalgia and functionality combined

Brings me back to my university days. The STC89C52 is a classic, and this board makes programming it incredibly convenient compared to the old parallel port programmers. Very happy with this purchase.

Anonymous

Mar 16, 2026

Rating: 4/5

Great value but manual could be better

The hardware quality is solid for the price. It works flawlessly with Keil uVision. My only complaint is that the included PDF manual is a bit sparse on example code, but there are plenty of resources online.

Anonymous

Mar 13, 2026

Rating: 5/5

Fast shipping and works as described

Arrived in three days. Tested the LED blink example immediately after plugging it in. No issues with compatibility on Windows 8. Highly recommended for anyone revisiting classic microcontroller architecture.

Anonymous

Mar 07, 2026

Rating: 5/5

Perfect for beginners

This board is exactly what I needed to start learning 8051 assembly. The drivers installed instantly on Windows 10, and the minimal system design makes it easy to understand the core components without extra clutter.

Anonymous

Mar 04, 2026

Rating: 5/5

Excellent for classroom use

I bought ten of these for my embedded systems lab. They are robust enough to handle student mistakes and program reliably every time. The CH340 chip is a huge plus for modern laptops without serial ports.

Anonymous

Mar 02, 2026

Rating: 4/5

Solid core board

Does exactly what it says on the tin. It's a minimal system, so don't expect onboard sensors or displays, but that keeps the cost down. Perfect base for custom projects.

5 FAQ

Q: Does it support 3.3V logic levels?

A: No, this is a 5V system. Applying 3.3V directly to the VCC pin will not power the board correctly, and input pins expect 5V TTL logic levels.

Q: Is the crystal oscillator replaceable?

A: The 11.0592 MHz crystal is soldered onto the board. While it can be desoldered and replaced by an experienced user, we recommend using the default frequency for tutorial compatibility.

Q: Does this board come with a USB cable?

A: Yes, the package includes a standard USB-A to Mini-USB cable for power and data transfer.

Q: Can I use this with macOS or Linux?

A: While primarily designed for Windows, it can work on macOS and Linux if you install the appropriate CH340 drivers manually. However, official support is limited to Windows environments.

Q: What software do I need to write code for this?

A: You can use popular IDEs like Keil uVision or SDCC (Small Device C Compiler) along with the STC-ISP flashing tool to compile and upload your code.

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