Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Microcontroller Unit	STC89C52RC / Compatible with 8051 Architecture
Socket Type	40-Pin ZIF (Zero Insertion Force) Socket
Operating Voltage	5V DC
Crystal Oscillator	11.0592 MHz (On-board)
Reset Mechanism	Manual Reset Button
Power Interface	USB Type-C or Pin Header
LED Indicators	Power LED and P1.0 Status LED
PCB Dimensions	65mm x 45mm
Material	FR-4 Fiberglass with Lead-free Solder Mask
Ideal Application	Embedded Systems Learning and Prototyping

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Nostalgic and functional

Brings me back to my college days but with modern conveniences like the USB power option. Flashing code is seamless using the standard STC ISP software.

Anonymous

Mar 28, 2026

Rating: 5/5

Perfect for beginners learning 8051

This board is exactly what I needed to start my microcontroller journey. The ZIF socket makes swapping chips incredibly easy without worrying about bent pins. Documentation was clear, and it worked straight out of the box.

Anonymous

Mar 22, 2026

Rating: 5/5

Robust build quality

I've used this for several university projects. The PCB feels sturdy, and the silk screen labeling is very legible. Highly recommend for anyone needing a reliable 51 MCU platform.

Anonymous

Mar 16, 2026

Rating: 4/5

Solid educational tool

We bought ten of these for our workshop. They are durable enough for repeated use by students. Only wish it came with a USB cable included, but that's a minor issue.

Anonymous

Mar 07, 2026

Rating: 5/5

ZIF socket is a game changer

The zero insertion force socket saves so much time when testing different firmware versions on various chips. No more prying chips out with a screwdriver. Very satisfied.

Anonymous

Mar 05, 2026

Rating: 4/5

Great value, minor soldering needed

Excellent board for the price. Some pin headers required slight soldering adjustment, but nothing a beginner can't handle. The crystal frequency is perfect for UART communication projects.

5 FAQ

Q: Is the 40-pin socket compatible with other 8051 variants?

A: Yes, the 40-pin DIP socket supports any standard 8051 family microcontroller in a DIP-40 package, not just the STC brand.

Q: What programmer do I need to upload code?

A: You can use any standard USB-to-TTL serial adapter or a dedicated STC-ISP programmer module to flash your code onto the MCU.

Q: Can I use this with Keil uVision IDE?

A: Absolutely. This board is fully compatible with Keil uVision for compiling and debugging 8051 assembly or C code.

Q: Does it support 3.3V logic levels?

A: No, this is a 5V system. If you need to interface with 3.3V peripherals, please use appropriate level shifters to prevent damage.

Q: Does this board come with the STC89C52 chip pre-installed?

A: Yes, the board typically ships with an STC89C52RC chip already inserted in the ZIF socket, ready for programming.

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