2pcs LM2596S LM2596 DC-DC Buck Converter Adjustable Step-Down Voltage Regulator Power Module 36V 24V 12V to 5V 2A Voltage Stabilizer with LED Display
2pcs LM2596S LM2596 DC-DC Buck Converter Adjustable Step-Down Voltage Regulator Power Module 36V 24V 12V to 5V 2A Voltage Stabilizer with LED Display
About this item
- LM2596 Buck Converter: Input voltage: 4.0V - 40V; Output voltage: 1.25V - 37V; Output current: 2A (normal and stable) and 3A max; Conversion efficiency: 92% (highest); Output ripple under 30mV, switching frequency 150KHz.V
- The voltage regulator can be turned off, and the switch can be turned off by pressing and holding the switch for more than 1s and less than 4s, once the voltmeter is turned off, simply press the switch to turn on the voltmeter.
- Output current 3A, recommendations within 2.0A use, high current needed to enhance heat dissipation.
- Built in over-temperature protection function, current limit function, output short-circuit protection function.
- LM2596 LM2596S DC-DC Buck Converter can be applied to fields in the input voltage is higher than the step-down output voltage, such as batteries, power transformers, DIY adjustable power supply.
Overview
- Brand: AOICRIE
- Power Source: Battery Powered
- Mounting Type: PCB Mount
- Current Rating: 3 A
- Specification Met: FCC, UL
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Hannah Miller — Seattle, Washington
I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized. -
⭐⭐⭐⭐⭐
Daniel Foster — Austin, Texas
I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity. -
⭐⭐⭐⭐⭐
Lauren Bennett — Denver, Colorado
The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements. -
⭐⭐⭐⭐⭐
Jason Parker — Portland, Oregon
I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.
New Arrivals
-

UNICRAFTALE Wooden Test Tube Rack 24-Hole Bamboo Cylinder Tube Display Rack - size: 24.9x12.7x11.5cm
Regular price $29.20 USDRegular priceSale price $29.20 USD -
The Beadsmith Round Nose Pliers, 6.25 inches (159mm), Polished Steel Head with Elongated Handle & Double-leaf Spring - style: Round Nose
Regular price $31.52 USDRegular priceSale price $31.52 USD -
UNICRAFTALE Bamboo Test Tube Rack 3 Tier Wooden Lab Rack Multi-Use Cylinder Tube Display Racks Rectangle Lab Supplies Tubes Holder Hole 34.5mm for Tests Tubes Chemistry Laboratory 9.4"x7.87"x2.75" - size: 24x7x20cm
Regular price $25.38 USDRegular priceSale price $25.38 USD -
uxcell 8 Pcs 6700-2RS Micro Bearings, 10x15x4mm Chrome Steel, ABEC7 - size: 6700-2RS
Regular price $14.92 USDRegular priceSale price $14.92 USD -

YOOPAI PLA+ Filament 1.75mm, 250g Starter Color Bundle, 4 Rolls - color: Pla Bundle-250gx4-112020001
Regular price $41.48 USDRegular priceSale price $41.48 USD -
The Beadsmith Nylon Jaw Bracelet Bending Pliers, 6.25 inches (159mm), Comfort Grip Handle with Double-leaf Spring - style: Jaw Bracelet Bending
Regular price $39.84 USDRegular priceSale price $39.84 USD -
The Beadsmith Stepped Plier with Interchangeable Nylon Jaws - 3-in-1 Tool, 6.25 inches (159mm), Comfort Grip Handle with Double-Leaf Springs - style: Stepped
Regular price $43.14 USDRegular priceSale price $43.14 USD -
UNICRAFTALE Wood Test Tube Rack 30-Holes Rectangle Lab Rack Cylinder Tube Display Racks 22mm Diameter Lab Supplies Tubes Holder Rollerball Perfume Organizer for Chemistry Laboratory 9.4x6.3x3.7 Inch - size: 23.8x16x9.5cm
Regular price $31.52 USDRegular priceSale price $31.52 USD -
uxcell 8 Pcs MR1319-2RS Micro Bearings, 13x19x4mm Chrome Steel, ABEC7 - size: MR1319-2RS
Regular price $24.88 USDRegular priceSale price $24.88 USD -
YOOPAI PLA Filament 1.75mm, 250g PLA+ & Matte Bundle, 4 Rolls - color: Pla Bundle-250gx4-112040002
Regular price $33.18 USDRegular priceSale price $33.18 USD -
UNICRAFTALE Wooden Test Tube Rack 24-Holes Bamboo Multi-Use Cylinder Tube Display Racks Rectangle Razors Pencils Art Brushes Holder for Laboratory Home Crafting Potted Plant 9.06"x5.63"x3.15" - size: 23x14.3x8cm
Regular price $35.13 USDRegular priceSale price $35.13 USD -
The Beadsmith Bail Making Pliers, 7 inches (178mm) in length, Creates Two Loop Sizes (3.5mm, 5.5mm), Polished Steel Head with Comfort Grip Handle - style: Bail Making
Regular price $34.86 USDRegular priceSale price $34.86 USD -
uxcell 8 Pcs 696-2RS Micro Bearings, 6x15x5mm Chrome Steel, ABEC7 - size: 696-2RS
Regular price $16.58 USDRegular priceSale price $16.58 USD -
The Beadsmith Concave (Hollow)/Round Nose Pliers, 6.25 inches (159mm), Steel Jaws with Double-Leaf Springs - style: Concave/Round Nose
Regular price $26.54 USDRegular priceSale price $26.54 USD -
UNICRAFTALE Bamboo Test Tube Rack 18-Holes Wooden Lab Rack Multi-Use Cylinder Tube Display Racks Rectangle Lab Supplies Tubes Holder 15mm Diameter Tubes for Chemistry Laboratory 6.3x3.35x2.76 Inch - size: 16x8.5x7cm
Regular price $28.54 USDRegular priceSale price $28.54 USD -
uxcell 8 Pcs 695-2RS Micro Bearings, 5x13x4mm Chrome Steel, ABEC7 - size: 695-2RS
Regular price $20.73 USDRegular priceSale price $20.73 USD -
XY-BLDC 3 Phase DC Brushless Hall Motor Controller Module 10KHz PWM 12V-30V 200W Brushless Motor Drive Board
Regular price $23.12 USDRegular priceSale price $23.12 USD -
18.6" Extra Large Amotic Digital Wall Clock Battery Operated Alarm Clock with Day Date & Temperature Jumbo LCD Display Clock for Wall Bedroom Living Room Classroom Home Office - size: 18.6" Atomic Battery Operated
Regular price $99.58 USDRegular priceSale price $99.58 USD
FAQ
What types of products does Stemora offer?
Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.
Are Stemora products suitable for children?
Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.
Is adult supervision required?
Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.
Can these products be used at home and in classrooms?
Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.
How can I check what is included with a product?
Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.
How do I know whether an electronic or robotics part is compatible?
Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.
When will I receive tracking information?
Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.
Why did my order arrive in separate packages?
Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.
Can I change or cancel my order?
Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.
Blog posts
View all-
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
-
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
-
Arduino Wiring Errors: A Step-by-Step Guide to ...
Learn how to troubleshoot common Arduino wiring errors with a practical step-by-step process covering power, ground, breadboards, LEDs, sensors, signals, and testing. Build stronger electronics skills while turning circuit failures...
Arduino Wiring Errors: A Step-by-Step Guide to ...
Learn how to troubleshoot common Arduino wiring errors with a practical step-by-step process covering power, ground, breadboards, LEDs, sensors, signals, and testing. Build stronger electronics skills while turning circuit failures...

















