Skip to main content
Home / Development Boards & Control Boards / ESP-32 Development Board with WiFi + Bluetooth 2-in-1, Dual-Core CPU, Low Power ESP32 ESP-32S 2.4 GHz

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
CPU Dual-Core Tensilica LX6
Clock Speed 240 MHz
Wi-Fi 802.11 b/g/n (2.4 GHz)
Bluetooth v4.2 BR/EDR and BLE
Flash Memory 4MB
SRAM 520KB
GPIO Pins 34 Programmable Pins
Operating Voltage 3.3V
Interface USB-to-UART Bridge
Dimensions 55mm x 28mm x 13mm

5 reviews

A

Anonymous

Apr 16, 2026

Rating: 5/5

Bluetooth Range Impressive

Using BLE for a home automation project. The range is better than expected for the onboard antenna.

A

Anonymous

Apr 07, 2026

Rating: 5/5

Low Power Consumption

Measured the deep sleep current and it is indeed very low. Great for battery-powered sensors.

A

Anonymous

Feb 10, 2026

Rating: 4/5

Good Value but Needs Docs

Hardware is solid and cheap. However, beginners might struggle finding specific pinout diagrams for this specific revision.

A

Anonymous

Jan 23, 2026

Rating: 3/5

Driver Issues Initially

Took some time to install the correct USB drivers on Windows. Once working, it is fine.

A

Anonymous

Jan 21, 2026

Rating: 5/5

Perfect for IoT Projects

This board works flawlessly with the Arduino IDE. The Wi-Fi connectivity is stable and the dual-core processing handles multitasking well.

5 FAQ

Q: Is this board compatible with MicroPython?

A: Yes, this ESP32 board is fully compatible with MicroPython firmware.

Q: Is a USB cable included in the box?

A: Yes, a standard Micro USB cable is included for programming and power.

Q: Can I power this directly with 3.3V?

A: Yes, you can supply 3.3V directly to the 3.3V pin, bypassing the regulator.

Q: What is the maximum current per GPIO pin?

A: We recommend drawing no more than 12mA per GPIO pin to ensure stability.

Q: Does it support an external antenna?

A: No, this model features a fixed onboard PCB antenna only.

Explore your interests

All Categories
Best Seller (30)
New List (30)
Daxiang Machinery Top-Flow Pillow Packaging Machine for Vegetables, Bread, Mooncakes, Cakes, Food, and Fruit Sealing

Daxiang Machinery Top-Flow Pillow Packaging Machine for Vegetables, Bread, Mooncakes, Cakes, Food, and Fruit Sealing

$35,475.00

50 Pcs Market Commodity Price Tag ers Advertising Tags Paper

50 Pcs Market Commodity Price Tag ers Advertising Tags Paper

$45.37

Fountain in the Rain by Kaoru Sudo, Mr. Chui Saxophone, Three-Piece Precise Transcription Service

Fountain in the Rain by Kaoru Sudo, Mr. Chui Saxophone, Three-Piece Precise Transcription Service

$37.00

No-Clean Airbrush Set Electric Spray Gun Mini Bottom-Feed Airbrush for Furniture Leather Repair Paint and Art

No-Clean Airbrush Set Electric Spray Gun Mini Bottom-Feed Airbrush for Furniture Leather Repair Paint and Art

$225.00

Rubber Cable Raceway Speed Bump for Ground Crossing

Rubber Cable Raceway Speed Bump for Ground Crossing

$15.05

Replacement Blade Holder and Rotating Wheel for Butter Tea Maker - Includes Waterproof Gasket; Compatible with Milk Separators and Switch Assemblies

Replacement Blade Holder and Rotating Wheel for Butter Tea Maker - Includes Waterproof Gasket; Compatible with Milk Separators and Switch Assemblies

$56.50

Commercial Hanging Roast Duck Warmer Crispy Pork Belly Insulation Box Stainless Steel Countertop Roasted Meat Heater Cooked Food Display Cabinet

Commercial Hanging Roast Duck Warmer Crispy Pork Belly Insulation Box Stainless Steel Countertop Roasted Meat Heater Cooked Food Display Cabinet

$317.00

2MM 3MM 4MM Natural Color-Gradient Amethyst Soccer-Cut Faceted Loose Beads - Semi-Finished Amethyst Cuts

2MM 3MM 4MM Natural Color-Gradient Amethyst Soccer-Cut Faceted Loose Beads - Semi-Finished Amethyst Cuts

$17.00

Educational Toys for Babies 0-3 Years - Newborn Rattle and Musical Stick for Boys and Girls (0-12 Months)

Educational Toys for Babies 0-3 Years - Newborn Rattle and Musical Stick for Boys and Girls (0-12 Months)

$12.80

Variable Frequency Drive Cabinet for Fans with Energy-Saving VFD Control

Variable Frequency Drive Cabinet for Fans with Energy-Saving VFD Control

$11,334.00

Pure Water Bucket Stand with Manual Pump, Inverted Dispenser Rack for Large Bottles, Simple Water Dispenser

Pure Water Bucket Stand with Manual Pump, Inverted Dispenser Rack for Large Bottles, Simple Water Dispenser

$4.65

Spray Tower Exhaust Gas Treatment System - Industrial Air Purification for Dust, Acid Mist, and Alkali Scrubbing

Spray Tower Exhaust Gas Treatment System - Industrial Air Purification for Dust, Acid Mist, and Alkali Scrubbing

$1,738.00

Acrylic Markers Opaque Overlapping Colors Art Drawing Pens Specialized Ink Cores

Acrylic Markers Opaque Overlapping Colors Art Drawing Pens Specialized Ink Cores

$49.90

Cute Portable Invisible Aligner Case - Storage Box for Orthodontic Retainers, Teeth Correctors, and Dentures

Cute Portable Invisible Aligner Case - Storage Box for Orthodontic Retainers, Teeth Correctors, and Dentures

$5.78

SolidWorks Software Remote Installation Service - Versions 2025/2024/2023/2022/2021/2020/2018

SolidWorks Software Remote Installation Service - Versions 2025/2024/2023/2022/2021/2020/2018

$10.00

Nylon Paint Small Brush Painting Brush Computer Cleaning Dust Brush Sweeping Gray Size Brushes BBQ Flat Brush

Nylon Paint Small Brush Painting Brush Computer Cleaning Dust Brush Sweeping Gray Size Brushes BBQ Flat Brush

$0.90

Compact Home Range Hood - Portable USB Desktop Smoke Extractor for Hot Pot & BBQ

Compact Home Range Hood - Portable USB Desktop Smoke Extractor for Hot Pot & BBQ

$41.00

Large Area Hollow Advertising Sign Spray Paint Stencil Customizable Bendable Lettering Board Wall Slogan Brushing Soft Mold

Large Area Hollow Advertising Sign Spray Paint Stencil Customizable Bendable Lettering Board Wall Slogan Brushing Soft Mold

$5.00

Heavy-Duty Kitchen Sink Storage Rack, Dust-Proof Dish Drainer, Multi-Function Bowl Organizer

Heavy-Duty Kitchen Sink Storage Rack, Dust-Proof Dish Drainer, Multi-Function Bowl Organizer

$85.00

Xinda Outdoor Waterproof Backpack - IPX7 Wet/Dry Separation Rucksack for River Trekking, Mountaineering, Snorkeling, Swimming, and Rafting

Xinda Outdoor Waterproof Backpack - IPX7 Wet/Dry Separation Rucksack for River Trekking, Mountaineering, Snorkeling, Swimming, and Rafting

$109.55

[Damai Patented Microneedle Hair Transplant] Hairline + Eyebrow Planting | 1000 Grafts Hairline + Both Eyebrows

[Damai Patented Microneedle Hair Transplant] Hairline + Eyebrow Planting | 1000 Grafts Hairline + Both Eyebrows

$17,800.00

Pure Wool Calligraphy Felt Mat – Thickened, Wear-Resistant Fabric for Chinese Painting and Brush Writing; Custom Desk Pad

Pure Wool Calligraphy Felt Mat – Thickened, Wear-Resistant Fabric for Chinese Painting and Brush Writing; Custom Desk Pad

$1,440.00

Welding Fume Purifier – Effective Collection and Control of Welding Smoke and Dust

Welding Fume Purifier – Effective Collection and Control of Welding Smoke and Dust

$12.40

FRP Stair Nosing, Yellow Anti-Slip Stair Treads with Granular Surface

FRP Stair Nosing, Yellow Anti-Slip Stair Treads with Granular Surface

$64.00

Stainless Steel Reaction Kettle, Emulsifying Tank, Electric Heating Reactor, Enamel-Glass Silicone Oil Reactor, and Mixing Vessel

Stainless Steel Reaction Kettle, Emulsifying Tank, Electric Heating Reactor, Enamel-Glass Silicone Oil Reactor, and Mixing Vessel

$2,700.00

Wholesale Acrylic Markers in Bags, Student Water-Based Ink Pens, Eco-Friendly Non-Toxic Drawing Pens with Layering Capability

Wholesale Acrylic Markers in Bags, Student Water-Based Ink Pens, Eco-Friendly Non-Toxic Drawing Pens with Layering Capability

$5.80

Oil Pastel Blending Pen and Smudge Tool Set - Soft Tip Sponge Balls and Scrapers for Heavy Color Wax Crayon Blending and Painting

Oil Pastel Blending Pen and Smudge Tool Set - Soft Tip Sponge Balls and Scrapers for Heavy Color Wax Crayon Blending and Painting

$12.50

Lechuang Commercial Electric Heated Display Warmer - Countertop Food Warmer for Cooked Foods, Bread, and Pizza

Lechuang Commercial Electric Heated Display Warmer - Countertop Food Warmer for Cooked Foods, Bread, and Pizza

$1,250.00

Model 2500-480 Independent Rotary Die Second-Hand Special Sale Independent Light Pressure Front Edge with Die Cutting Speed 120-150

Model 2500-480 Independent Rotary Die Second-Hand Special Sale Independent Light Pressure Front Edge with Die Cutting Speed 120-150

$2,000.00

Fishing Alarm Portable Electronic Fishing Bite Alarm Night

Fishing Alarm Portable Electronic Fishing Bite Alarm Night

$60.27