Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Model | IAP15F2K61S2 / IAP15W4K58S4 |
| Architecture | 8051 Compatible (STC15 Series) |
| Operating Voltage | 3.3V / 5V Dual Mode |
| Clock Frequency | Up to 35MHz |
| Flash Memory | 62KB / 58KB On-chip |
| SRAM | 2KB Internal Data Memory |
| Interface Type | USB to TTL Serial Download |
| GPIO Pins | All Ports Broken Out |
| Dimensions | 45mm x 28mm |
| Package Includes | Core Board, USB Cable, Pin Headers |
Anonymous
Mar 29, 2026
Rating: 5/5
Perfect for legacy 8051 projects
This board is exactly what I needed to migrate an old 8051 project to a modern, faster core without changing the codebase. The download speed via USB is incredibly fast compared to older programmers.
Anonymous
Mar 19, 2026
Rating: 4/5
Great value for learning
Very affordable way to learn about the STC15 series. The documentation could be slightly better for absolute beginners, but there are plenty of community resources available.
Anonymous
Mar 17, 2026
Rating: 5/5
Fast shipping and good quality
Arrived quickly and the soldering quality on the headers was excellent. No cold joints or issues. Ready to use right out of the box.
Anonymous
Mar 15, 2026
Rating: 5/5
Robust and reliable
I've used these boards for several industrial control prototypes. They handle noise well and the dual voltage feature saves me from needing extra regulators on my test bench.
Anonymous
Mar 15, 2026
Rating: 5/5
Best STC board I've bought
Clean layout, all pins accessible, and the USB interface works flawlessly on Windows 10 and Linux. Highly recommended for anyone sticking with the 8051 ecosystem.
Anonymous
Mar 13, 2026
Rating: 4/5
Solid performer
The 35MHz clock speed makes a noticeable difference in execution time for my signal processing algorithms. Only wish it had a built-in debugger interface, but for the price, it's hard to complain.
Q: Is this compatible with Keil C51 compiler?
A: Absolutely. The STC15 series is fully compatible with the Keil C51 compiler. You just need to select the appropriate device model in your project settings.
Q: What is the difference between the F2K61S2 and W4K58S4 versions?
A: The main differences lie in the flash memory size (62KB vs 58KB) and certain peripheral configurations like ADC channels and PWM outputs. Please refer to the official STC datasheet for detailed peripheral mapping.
Q: Does it support In-Application Programming (IAP)?
A: Yes, as indicated by the 'IAP' in the model name, these chips support In-Application Programming, allowing you to update firmware via serial bootloaders within your own application.
Q: Can I power this board directly via the USB port?
A: Yes, the board can be powered directly through the mini-USB or micro-USB port depending on the specific batch revision. It also features a VIN pin for external 5V supply.
Q: Does this board come with the CH340 USB driver installed?
A: The board uses a CH340 chip for USB communication. You will need to install the CH340 driver on your computer, which is widely available online or on the included CD if provided.
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