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.
Zhi Paper Calligraphy Copybook: Shen Du's Red Cliff Ode, Jingzhai Zhen, and Bu Zi Qi Shuo - Small Regular Script Cards for Tracing Practice
$17.00
Maike Outdoor Waterproof Dry Bag - Crossbody Travel Backpack for Rafting Diving and Beach Activities
$19.90
Oriental Pearl Dual Porcelain Jar Gift Set: Green Tea, Black Tea, Jin Jun Mei, and Pu'erh Loose Leaf Tea in Porcelain Jars
$140.41
Transparent Retainer Storage Case – Portable Soaking and Cleaning Box for Orthodontic Appliances and Dentures
$8.42
Original Wang Xizhi Huangting Small Regular Script Calligraphy Copybook for Soft/Hard Tip Pens Tear-Off Card Precise Tracing Kaishu Huan'e Tie
$35.70
Foldable Kitchen Sink Dish Drying Rack - Silicone Roll-Up Mat and Countertop Organizer
$25.40
Rapid Folding Shopping Cart, Small Trolley for Stairs, Lightweight Portable Home Handcart, Supermarket Pushcart and Vegetable Basket
$178.39
Over-Toilet Storage Rack - No-Drill Toilet Paper Holder with Multi-Compartment Shelves for Wet Wipes and Aromatherapy
$19.71
Stainless Steel Planter Pot - Outdoor Vegetable and Flower Growing Box for Balcony, Rooftop, Courtyard, Auto-Drainage, Customizable
$42.50
Stainless Steel Over-Toilet Storage Rack, Multi-Function Floor-Mounted or Wall-Mounted Multi-Tier Organizer for Bathroom, Toilet, and Laundry
$50.00
![[Chip 3.0 Upgraded Model] Senzhou TDS Water Quality Tester for Tap and Drinking Water Health Monitoring](https://www.gosteppe.com/cache/small/product/268996/legacy-main-32173fe50b846ac0e87ae26e.webp)
[Chip 3.0 Upgraded Model] Senzhou TDS Water Quality Tester for Tap and Drinking Water Health Monitoring
$22.90
Here and Now Pocket Calligraphy Copybook: Wen Zhengming Small Regular Script for Adult Beginners
$18.00
Southern Red Agate Loose Beads for DIY Crystal Jewelry Making, Round Bead Accessories and Materials
$1.10
3-Tier, 4-Tier, 5-Tier Double-Layer Drainage Rack, Water Bucket Stand, Floor-Standing Thickened Rack
$276.32
Multi-Layer Over-Toilet Storage Rack for Bathroom, Drill-Free Floor Stand for Washing Machine and Balcony Organization
$46.96
Thickened Industrial Scouring Pad Emery Stainless Steel Abrasive Cloth Pot Scrubber Rust Removal and Polishing Wheel
$7.28
Wall-Mounted Bathroom Toilet Paper Holder and Tissue Dispenser Rack
$49.00
Arches French Watercolor Paper 300g/640g/850g, Cold/Hot Press, 100% Cotton, Deckled Edge, 2K/4K/8K
$29.60
Wen Xin Tang Yan Zhenqing Duobao Pagoda Stele Calligraphy Copybook, Tang Regular Script, Adult Beginner Calligraphy Practice Cards
$49.30
![[Shenzhen Best Seller] Premium Wearable Negative Ion Air Purifier - Neck-Hanging Portable Electronic Mask](https://www.gosteppe.com/cache/small/product/268987/legacy-main-5f71c8070119587e6427efe9.webp)
[Shenzhen Best Seller] Premium Wearable Negative Ion Air Purifier - Neck-Hanging Portable Electronic Mask
$298.00
Teruisi Electric Fruit and Vegetable Slicer, Multifunctional Chopper for Cafeterias and Hotels, Cutter for Green Onions, Chili Peppers, Radishes, and Ginger
$3,798.00
Waterproof Phone Pouch for Diving, Swimming, Rafting, and Hot Springs, Sealed Underwater Storage Bag with Waist Strap
$12.90
Premium Thick Cardstock Lin Zexu Representative Small Regular Script Infinite Life Sutra Close-Up Copying Calligraphy Copybook Regular Script for Beginners
$39.80
Zunjue Ticket-style 100% Cotton Watercolor Paper 300g Cold Press for Artists with Deckled Edges
$10.20
Kids' 3D Printing Pen – 3D Stereoscopic Drawing Toy for Girls, Perfect Birthday Gift
$104.66
Mifaner Handmade Watercolor Sketchbook – Oil Painting Series Canvas Journal, Travel-Friendly Mini Notebook for Acrylic Markers
$16.90
(Sasha Exclusive) Fat Small Card
$1,399.00
Silicone Faucet Side Drain Mat, Foldable Splash-Proof Pad for Kitchen Sink and Bathroom Washbasin
$4.93
Breathable Portable Invisible Aligner Case with Lanyard – Durable Hygienic Storage for Orthodontic Retainers and Dentures
$18.10
Snail-Specific Slug & Snail Killer Scatter-Type Anti-Pest Granules for Vegetable Gardens Slugs Apple Snails Fruit & Vegetable Fields
$10.00
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
