Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Model | STC15W408AS |
| Architecture | 8051 Compatible (Enhanced) |
| Operating Voltage | 3.3V / 5V Dual Mode |
| Clock Speed | Up to 35MHz |
| Flash Memory | 8KB On-Chip |
| SRAM | 256 Bytes + 1KB XRAM |
| I/O Ports | Multiple GPIO Pins Available |
| Programming Interface | UART ISP (In-System Programming) |
| Board Dimensions | 45mm x 35mm |
| Connector Type | Standard 2.54mm Pin Header |
Anonymous
Mar 30, 2026
Rating: 4/5
Great value, minor pin labeling issues
The core functionality is solid and the price is unbeatable. I did have to double-check the silkscreen labels against the datasheet for a few pins, but once configured, it works flawlessly.
Anonymous
Mar 29, 2026
Rating: 5/5
Bought ten for our workshop
We equipped our entire lab with these boards. They are robust enough to handle beginner mistakes and powerful enough for advanced experiments. Fast shipping too.
Anonymous
Mar 10, 2026
Rating: 5/5
Easy to start with
I was worried about the learning curve, but the community support for STC chips is huge. This board boots up instantly and the LED blink test worked on the first try.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to get back into embedded systems. The STC15W408AS chip is fast and the documentation provided by the seller made setup a breeze. Highly recommended for students.
Anonymous
Mar 05, 2026
Rating: 4/5
Solid replacement for older 8051 kits
Much faster than the classic AT89S52 boards I used to use. The internal oscillator saves space on the PCB. Would give 5 stars if it came with a USB-to-TTL cable included.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent for university projects
Used this for my final year microcontroller project. It handles ADC and PWM tasks without any lag. The build quality is surprisingly good for the price point.
Q: Does this board come with a USB programmer cable?
A: No, this package includes only the core board. You will need a separate USB-to-TTL adapter (such as CH340 or CP2102) to program the MCU via the UART pins.
Q: Are there schematic diagrams available for this board?
A: Yes, a PDF schematic and pinout diagram are included in the download link provided in the product description section after purchase.
Q: Is the crystal oscillator external or internal?
A: The STC15W408AS features a high-precision internal R/C oscillator, so no external crystal is required for basic operation, though external clocks can be used if needed.
Q: Can this run at 3.3V logic levels?
A: Yes, the STC15W408AS supports a wide voltage range. You can operate the board at either 5V or 3.3V by selecting the appropriate power input pin.
Q: What software is required to program this chip?
A: You can use the official STC-ISP software provided by STC Micro, which is compatible with Windows. There are also open-source alternatives available for Linux and macOS users.
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