Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller Model	STC89C52RC
Core Architecture	8051 Compatible
Operating Voltage	5V DC
Max Clock Frequency	35MHz
Flash Memory	8KB
RAM Capacity	256 Bytes
I/O Ports	32 Programmable Lines
Download Interface	USB via CH340
PCB Dimensions	55mm x 35mm
Package Weight	15g

5 reviews

Anonymous

Apr 16, 2026

Rating: 5/5

Fast Shipping

Arrived quickly and well packaged. The board matches the description exactly. Ready to use out of the box.

Anonymous

Mar 27, 2026

Rating: 5/5

Classic 51 Core

Great for learning the basics of microcontrollers. Stable performance and the reset button is responsive.

Anonymous

Feb 19, 2026

Rating: 5/5

Perfect for University Lab

Used this for my embedded systems course. The CH340 driver installed easily on Windows 10. Code uploads without issues.

Anonymous

Feb 17, 2026

Rating: 4/5

Good value board

Works as expected. Pin headers are pre-soldered which saves time. Wish it had a 3.3V option though.

Anonymous

Feb 08, 2026

Rating: 4/5

Easy to start with

Documentation could be better, but there are many tutorials online for STC89C52. Good starter kit.

5 FAQ

Q: Can I power this with 3.3V?

A: No, this board operates at 5V. Supplying 3.3V may cause unstable operation.

Q: Does this work with Keil C51?

A: Yes, this board is fully compatible with Keil C51 and STC-ISP software.

Q: Does it have an external crystal oscillator?

A: Yes, it comes with a built-in 11.0592MHz crystal for accurate serial communication.

Q: Is the USB cable included?

A: Yes, a standard Micro-USB cable is included in the package for power and programming.

Q: Are the pin headers soldered?

A: Yes, all necessary pin headers are pre-soldered for immediate use.

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