Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Type | 8051 Compatible (STC89C52RC) |
| Socket Type | 40-Pin ZIF (Zero Insertion Force) |
| Base Design | Movable/Removable Base for Easy Testing |
| Operating Voltage | 5V DC |
| Clock Frequency | 11.0592 MHz Crystal Oscillator |
| Program Memory | 8KB Flash ROM |
| Data Memory | 256 Bytes RAM |
| I/O Ports | 32 Programmable I/O Lines |
| Programming Interface | ISP via USB-to-TTL Adapter (Adapter not included) |
| Board Dimensions | 75mm x 55mm x 15mm |
Anonymous
Mar 21, 2026
Rating: 4/5
Good value, requires external power
Works exactly as described. Just remember you need a separate 5V power source or a USB-TTL adapter that provides power. The movable base makes it easy to plug into breadboards.
Anonymous
Mar 19, 2026
Rating: 5/5
Perfect for beginners learning assembly
The ZIF socket makes swapping chips incredibly easy without worrying about bent pins. The movable base is a nice touch for connecting external peripherals during experiments. Highly recommended for students.
Anonymous
Mar 18, 2026
Rating: 5/5
Nostalgic and functional
Brings back memories of learning microcontrollers in the 90s. The 40-pin DIP package is classic. The board is stable and handles multiple re-flashes without issues.
Anonymous
Mar 17, 2026
Rating: 5/5
Excellent for university projects
Used this for my embedded systems course. The minimum system configuration allows me to focus on the code logic without unnecessary complexity. The reset button and crystal oscillator work flawlessly.
Anonymous
Mar 09, 2026
Rating: 4/5
Solid build quality, clear silkscreen
Great board for the price. The labeling on the PCB is very clear which helps when wiring up circuits. Only downside is it doesn't come with a USB programmer, but that is standard for this type of board.
Anonymous
Mar 01, 2026
Rating: 5/5
Great starter kit component
Bought this to learn C programming for 8051. The documentation online is plentiful, and this board follows the standard pinout perfectly. No surprises, just reliable hardware.
Q: Does the movable base disconnect all pins or just power?
A: The movable base design allows the entire MCU socket section to be lifted, exposing the pin headers underneath. This allows you to easily connect jumper wires to any specific pin for debugging or expansion.
Q: What software is required to program this MCU?
A: You can use Keil uVision for compiling C or Assembly code. For flashing the hex file to the chip, you typically use the STC-ISP software provided by the chip manufacturer.
Q: Is the crystal oscillator replaceable if I need a different frequency?
A: Yes, the board uses a standard through-hole crystal oscillator. You can desolder the 11.0592MHz crystal and replace it with another value compatible with the 8051 architecture, such as 12MHz.
Q: Does this board come with a USB programmer cable?
A: No, this is a minimum system board and does not include a USB-to-TTL programmer. You will need to purchase a separate STC ISP programmer or a USB-to-TTL adapter compatible with 5V logic.
Q: Can I use this board with a 3.3V logic level?
A: This board is designed for 5V operation. While some 8051 variants support lower voltages, this specific module uses a 5V regulator and crystal setup. Using 3.3V directly may result in unstable operation.
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