Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller Model | STC89C52RC |
| Architecture | 8051 Compatible |
| Operating Voltage | 5V DC |
| Clock Frequency | 11.0592 MHz |
| Flash Memory | 8 KB |
| RAM | 256 Bytes |
| Download Interface | CH340 USB to TTL |
| GPIO Pins | 32 Programmable |
| Board Size | 55mm x 40mm |
| Weight | 15 grams |
Anonymous
Apr 04, 2026
Rating: 5/5
Fast shipping and works
Arrived quickly and was well packaged. The USB port is sturdy and the board powers up without issues.
Anonymous
Mar 10, 2026
Rating: 4/5
Good value but basic
Solid board for the price. I wish it came with a clearer pinout diagram in the box, but you can find one online easily.
Anonymous
Mar 03, 2026
Rating: 3/5
Okay for beginners
It works but the documentation provided was very sparse. You need some prior knowledge to get started effectively.
Anonymous
Feb 11, 2026
Rating: 5/5
Reliable minimal system
Used this for a hobby project involving sensor reading. The stable clock frequency makes timing very accurate. Highly recommend.
Anonymous
Feb 07, 2026
Rating: 5/5
Perfect for learning 8051
This board works exactly as described. The CH340 driver was easy to install and I was able to upload code within minutes. Great for students.
Q: Does it have a reset button?
A: Yes, there is a dedicated hardware reset button on the board for easy restarting.
Q: Which software IDE is supported?
A: This board is compatible with Keil C51 and STC-ISP software for programming.
Q: Is it compatible with Arduino IDE?
A: Not directly. This uses 8051 architecture, not AVR. Please use Keil or STC specific tools.
Q: Is the USB cable included?
A: Yes, a standard Mini USB cable is included in the package for power and programming.
Q: Can I use 3.3V logic levels?
A: No, this is a 5V system. Please do not connect 3.3V signals directly to avoid damage.
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