Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Chip | STC89C52RC / STC12C5A60S2 compatible |
| Architecture | 8051 (MCS-51) Family |
| Package Type | DIP-40 Socket |
| Operating Voltage | 5V DC |
| Clock Frequency | Up to 35MHz (depending on chip) |
| Program Memory | 8KB Flash (on-chip) |
| Data Memory | 256 Bytes RAM |
| I/O Ports | 32 Programmable I/O Lines |
| Programming Interface | ISP via USB-to-TTL or Serial Port |
| Board Dimensions | 75mm x 55mm |
Anonymous
Mar 22, 2026
Rating: 5/5
Classic 51 core done right
If you need to maintain legacy code or teach the fundamentals of microcontrollers without the complexity of ARM, this is the board to get. Robust construction and reliable performance.
Anonymous
Mar 20, 2026
Rating: 4/5
Solid basic board
Good quality PCB and components. It lacks some advanced peripherals found on newer boards, but for a minimum system to learn assembly or C51, it is ideal. Shipping was fast.
Anonymous
Mar 13, 2026
Rating: 5/5
Reliable and simple
No unnecessary bloatware or complex drivers. Just plug in your programmer and go. The crystal oscillator is stable, and the reset circuit works perfectly every time.
Anonymous
Mar 07, 2026
Rating: 4/5
Good starter kit component
Works as advertised. I wish it came with a USB cable included, but considering the low price, I can't complain. The silk screen printing is legible and helpful for wiring.
Anonymous
Mar 06, 2026
Rating: 5/5
Perfect for learning 8051 architecture
This board is exactly what I needed to get started with the STC89C52RC. The layout is clear, all pins are broken out, and it works flawlessly with the STC-ISP software. Great value for students.
Anonymous
Mar 01, 2026
Rating: 5/5
Great for university projects
Bought this for my embedded systems course. The DIP socket makes it easy to swap chips if something goes wrong during testing. Documentation online is plentiful for this specific model.
Q: Is the crystal oscillator replaceable if I need a different frequency?
A: Yes, the board features a standard crystal socket. You can easily replace the default crystal with another value supported by the STC89C52RC, provided you adjust your fuse settings accordingly.
Q: Can I use this with the Keil C51 compiler?
A: Yes, this board uses the standard 8051 architecture and is fully compatible with the Keil C51 compiler as well as SDCC (Small Device C Compiler).
Q: Does it support in-system programming (ISP)?
A: Absolutely. The STC89C52RC supports ISP via the UART interface. You can program the chip while it is soldered on the board or seated in the DIP socket using the TX/RX pins.
Q: Does this board come with a USB programmer cable?
A: No, this listing is for the development board only. You will need a separate USB-to-TTL serial adapter or a dedicated STC ISP programmer to upload code.
Q: What is the maximum voltage tolerance for the I/O pins?
A: The board operates at 5V. Please do not exceed 5.5V on any I/O pin to avoid damaging the microcontroller. For 3.3V logic, a level shifter is recommended.
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