Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Model | STC12C5A60S2 |
| Architecture | 8051 Compatible (Enhanced) |
| Clock Speed | Up to 35 MHz |
| Flash Memory | 60 KB |
| SRAM | 1280 Bytes |
| Serial Ports | Dual UART |
| ADC Channels | 8-channel 10-bit |
| Operating Voltage | 3.3V - 5.5V |
| Program Interface | ISP via USB-TTL |
| Board Dimensions | 45mm x 35mm |
Anonymous
Mar 31, 2026
Rating: 4/5
Solid performance, good documentation support
The board performs well within its specs. Finding example code online is easy since the STC12 series is quite popular in the hobbyist community.
Anonymous
Mar 31, 2026
Rating: 5/5
Excellent for classroom use
Bought a batch for our electronics club. Students find it easy to program, and the built-in ADC saves us from needing external components for basic sensor readings.
Anonymous
Mar 27, 2026
Rating: 4/5
Great value, minimal setup required
Very affordable development board. The pinout is clearly labeled. I deducted one star because it doesn't come with a USB cable, but that's standard for these types of boards.
Anonymous
Mar 25, 2026
Rating: 5/5
Fast ISP programming
Programming speed is surprisingly fast. The minimal system design means less clutter on the bench. Highly recommended for anyone sticking to the 51 ecosystem.
Anonymous
Mar 22, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to get back into microcontroller programming. The dual serial port feature is a huge plus for debugging. It works flawlessly with the STC-ISP software.
Anonymous
Mar 15, 2026
Rating: 5/5
Reliable for industrial prototyping
I've used several of these for small control projects. The stability is impressive, and the enhanced instruction set makes coding much more efficient compared to older 51 chips.
Q: Are there example codes available for the dual serial ports?
A: Yes, the manufacturer provides demo code on their official website, and there are many community examples available on GitHub and electronics forums specifically for the STC12 series.
Q: Can I power this board directly with a 9V battery?
A: While the chip supports up to 5.5V, the board itself typically expects a 5V input. Connecting a 9V battery directly may damage the regulator or the chip. Please use a regulated 5V supply.
Q: Does this board come with a USB-to-TTL programmer included?
A: No, this is a minimal system board and does not include a USB programmer. You will need a separate USB-to-TTL adapter to upload code via the ISP pins.
Q: What is the maximum current draw per IO pin?
A: Each IO pin can typically source or sink up to 20mA, but the total current for the entire chip should not exceed the limits specified in the official datasheet to ensure stability.
Q: Is this compatible with Keil C51 compiler?
A: Yes, the STC12C5A60S2 is fully compatible with the Keil C51 compiler. You may need to select the appropriate device variant in your project settings.
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