Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller Support | 8051 (51), ARM, AVR |
| Model Number | LY-51S |
| Enclosure Material | Aluminum Alloy Box |
| Display Interface | LCD1602 and OLED compatible |
| Communication Ports | UART, I2C, SPI |
| Power Supply | USB 5V or DC Jack |
| Onboard Components | LEDs, Buttons, Buzzer, Potentiometer |
| Programmer Interface | Built-in USB-to-TTL |
| Skill Level | Beginner to Intermediate |
| Package Contents | Board, Aluminum Case, Cables, Component Kit, Manual |
Anonymous
Mar 30, 2026
Rating: 5/5
Perfect starter kit for embedded systems
This board is exactly what I needed to refresh my knowledge on microcontrollers. The aluminum case feels premium and protects the board well during transport. All components worked out of the box.
Anonymous
Mar 29, 2026
Rating: 5/5
Bought this for my son's robotics club
My son loves this kit. The variety of sensors and the sturdy box make it ideal for school projects. It supports multiple architectures which is a huge plus for learning different coding styles.
Anonymous
Mar 19, 2026
Rating: 4/5
Great value but manual could be better
The hardware quality is excellent for the price. I successfully ran experiments with both 51 and AVR chips. The only downside is that the printed manual is a bit sparse, so you'll need to look up some tutorials online.
Anonymous
Mar 06, 2026
Rating: 4/5
Good learning curve
As someone new to microcontrollers, this board provided a gentle introduction. The pre-soldered components saved me a lot of time. I wish it came with a few more example code files on the CD.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent for classroom use
I ordered five of these for my introductory electronics lab. They have held up well under student use. The ability to switch between 51 and ARM modes is a fantastic teaching tool.
Anonymous
Mar 02, 2026
Rating: 5/5
Robust build quality
I've dropped the aluminum case twice and the board inside is still perfectly fine. The pinouts are clearly labeled, making wiring external circuits very easy. Highly recommended for DIY enthusiasts.
Q: Is the aluminum case included or sold separately?
A: The aluminum enclosure is included in the package. The board comes pre-installed inside the case for immediate protection.
Q: Are replacement components available if I accidentally burn out an LED?
A: Yes, the kit comes with a small surplus of basic components like LEDs and resistors. Additional parts can also be purchased separately from our store.
Q: What voltage does the onboard regulator support if using an external battery?
A: The onboard regulator supports an input voltage range of 6V to 12V via the DC jack, stabilizing it to 5V for the microcontroller and peripherals.
Q: Can I use this board with the Keil uVision IDE?
A: Absolutely. The LY-51S is fully compatible with Keil uVision for 8051 development, as well as other popular IDEs like Arduino IDE for supported cores.
Q: Does this kit come with the necessary USB cable to program the board?
A: Yes, the kit includes a standard USB cable suitable for both power supply and programming via the onboard interface.
Front Wiper Arm Assembly for Citroën C-Elysée, Xsara Picasso, Peugeot 307/301
$35.00
Underbite Corrector Case - Portable Magnetic Lanyard Storage Box for Frankel Appliance and TB Palatal Expander
$22.70
Car Tire Stone Removal Tool, Multi-Function Hook for Picking and Extracting Stones from Treads
$6.43
Outdoor Lamp Stand for Camping, Lantern Holder Pole for Street Vending and Night Fishing
$13.89
Waste Removal and Paper Stacking Machine, Automatic Paper Collection and Counting Receiver for Carton Printing Equipment, Carton Factory Machinery
$6,400.00
Sheepskin Baby Rattle - Chewable Traditional Handmade Shaker Bell, Intangible Cultural Heritage Essential for Newborn Care
$57.00
Zhizhi Study Room 'Small Pot Sky' Brush Washer - Traditional Handmade Glass with Lost-Wax Method, Silk Luster, Double-Compartment Water Vessel
$457.00
Zao Boshi Insulated Food Cart - Programmable Banquet Warmer for Buns, Breakfast Items, and Hotel Dry/Wet Dishes
$11,566.00
![Lichuan JK [Blood Oath] - Original Authentic Japanese Dark Style Embroidered Sailor Suit - Spring/Autumn Set](https://www.gosteppe.com/cache/small/product/269363/legacy-main-0b86f0b7795c15ee2c8be0d3.webp)
Lichuan JK [Blood Oath] - Original Authentic Japanese Dark Style Embroidered Sailor Suit - Spring/Autumn Set
$59.00
Sink Storage Rack Stainless Steel No-Drill Kitchen Sponge Steel Wool Cloth Pot Lid Organizer Wall-Mounted Drain Rack
$4.93
Sketch Blending Stump Set for Artists - Detail Highlight and Shadow Smudging Tools with Replacement Tips
$14.80
Softening Agent for Board Arcs Melamine Softener Eco-Friendly Board Paint-Free Board Whole House Customization Arc Softener
$9.30
Car Tire Stone Removal Tool - Hook Picker for Cleaning Pebbles from Vehicle Treads
$3.90
Electrical Box with PLC System and VFD for Fans and Pumps
$2,519.00
Zunjue Watercolor Sketchbook 300g Fabric-Covered Journal – Portable Acrylic Marker Book, 100% Cotton Flip-Style Concertina Drawing Paper
$13.70
French Imported Arches Watercolor Paper, Handmade Cotton Pulp 300g Full/Half/4K/8K/16K/32K Rough/Medium/Fine Grain, 185g Cotton Pulp for Postcards and Watercolor Books
$20.80
![[Official Authentic] Zichao Bear Wanda Cinema Popcorn Acrylic Keychain Plush Doll Cute Toy](https://www.gosteppe.com/cache/small/product/269355/legacy-main-ae40bf0d9a6007e2f30a9130.webp)
[Official Authentic] Zichao Bear Wanda Cinema Popcorn Acrylic Keychain Plush Doll Cute Toy
$25.40
Heidelberg Printing Press Automatic Blanket Wash Cloth - Non-Woven Cleaning Fabric, 500m Roll
$3,185.00
Bucket Pack Natural Wood Colored Pencils Water-Soluble for Kids Coloring and Doodling
$6.65
Chunfei Grocery Store Yunm'an GR02 Gravel Bike - Thru-Axle Disc Brake, Lightweight Touring with Multiple Rack Mounts
$6,444.00
Variable Frequency Drive Power Board ZPOW-591 for ACS880
$2,200.00
Professional Sketching Eraser Kit - Blending Stumps, Sponges, and Paper Tortillons for Highlight & Shadow Correction
$3.90
Weighted Water Bag with Handle, Thickened PV Mesh Gravity Ballast for Banner Stand Fixation (8KG)
$35.10
Ultra-Fine Purification Lint-Free Cloth Cleaning Cloth Lens Wipe High Quality 0730 Water-Absorbing Dust Removal UV Nozzle 100 Sheets
$96.00
Wen Zhengming Small Regular Script Calligraphy Cards: Li Sao Jing, Thousand Character Classic, Qin Fu, Cao Tang Shi Zhi, Qing Jing Jing, Record of the Drunken Pavilion, Red Cliff Ode
$59.00
Zhizhi Manshu Zhao Mengfu Small Regular Script Collection of Ancient Classics (Vol. 1) - Calligraphy Copybook, Brush Writing Cards, Foldable Practice Cards
$49.00
Language of Drums Motion Path Set - Essential Creativity and Rhythm Teaching Material for Drum Kits and Jazz Drums
$59.14
onlycook Sink Drain Basket, Faucet-Mounted Food Residue Separator and Washing Strainer - 1 Pack
$14.10
Heavy-Duty Wiper Arms and Blades for Trucks and Agricultural Vehicles - Universal Replacement Wiper Rubber Strips
$5.50
Bus Adapter FEPL-02 for ABB Variable Frequency Drive
$1,230.00
![[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)
