Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Type | 8051 (STC89C52RC) |
| Channel Count | 8 Independent Input Channels |
| Display Interface | 4-Digit 7-Segment LED Display |
| Input Method | Tactile Push Buttons with Debounce Circuit |
| Power Supply | DC 5V via USB or Barrel Jack |
| Programming Interface | Standard ISP Download Port |
| PCB Material | FR-4 Glass Epoxy, Double-sided |
| Kit Contents | PCB, Components, Solder, Manual, Case |
| Skill Level Required | Intermediate (Soldering & C Programming) |
| Application Scenario | Educational Workshops, Quiz Competitions, DIY Projects |
Anonymous
Mar 30, 2026
Rating: 5/5
Nostalgic and Educational
Brings me back to my college days. The 8051 architecture is classic, and this board lets you understand interrupt handling and I/O ports practically. Highly recommended.
Anonymous
Mar 28, 2026
Rating: 5/5
Perfect for University Electronics Lab
We used this kit for our sophomore embedded systems course. The schematic is clear, and the components are high quality. Students loved building the buzzer logic from scratch.
Anonymous
Mar 27, 2026
Rating: 5/5
Robust design for repeated use
I run a local STEM club, and we have built three of these. They hold up well to enthusiastic button pressing by kids. The debounce circuitry is implemented very well.
Anonymous
Mar 23, 2026
Rating: 3/5
Good hardware, steep learning curve for coding
The soldering was fun and easy, but modifying the C code for custom rules was challenging for a beginner. Would recommend having some prior 8051 experience before buying.
Anonymous
Mar 14, 2026
Rating: 4/5
Excellent value for money
Bought ten sets for our school electronics club. The price point is unbeatable for what you get. One board had a cold solder joint on the display, but it was easy to fix.
Anonymous
Mar 12, 2026
Rating: 4/5
Great learning tool, instructions could be clearer
My son and I built this over a weekend. The hardware works flawlessly once assembled. The code examples in the manual were a bit sparse, but we found good resources online to supplement it.
Q: Can I power this board with a 9V battery?
A: The board requires a stable 5V DC supply. While there is a voltage regulator on some versions, we strongly recommend using a regulated 5V USB power source to ensure accurate timing and display stability.
Q: Can I expand this to 16 channels?
A: The current PCB layout is fixed for 8 channels. To support 16 channels, you would need to design a custom PCB or daisy-chain two boards and modify the master control code significantly.
Q: Is the case included in the package?
A: Yes, most standard kits include a transparent acrylic case and screws for assembly. Please check the specific listing images to confirm, as bulk packs may vary.
Q: Does this kit come with pre-written source code?
A: Yes, the kit includes a CD/Download link with basic C source code for the standard quiz buzzer functionality, which you can modify using Keil C51 or SDCC.
Q: What programmer do I need to upload code to this board?
A: You will need a standard USB-to-TTL serial adapter or a dedicated STC-ISP programmer compatible with the 8051 series. The board has a standard 6-pin ISP header.
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