ESP32 S-CAM-CH340 Development Test Board WiFi+ Bluetooth Module ESP32 Serial Port with OV2640 Camera

The ESP32 S-CAM-CH340 is an integrated development board combining the powerful ESP32 dual-core processor with an OV2640 2-megapixel camera module and built-in CH340 USB-to-serial converter for seamless communication. Professional IoT engineers and embedded systems developers use this board to rapidly prototype WiFi and Bluetooth-enabled camera applications, video streaming systems, and smart surveillance solutions. This product solves the critical challenge of integrating wireless connectivity with real-time image capture in compact form factor, eliminating the need for external camera modules and serial communication adapters.

Product Overview

The ESP32 S-CAM-CH340 development board integrates the ESP32 microcontroller featuring dual-core processing at 240MHz with integrated 2.4GHz WiFi 802.11 b/g/n and Bluetooth 4.2 connectivity. The OV2640 camera sensor captures 2-megapixel images with JPEG compression capability, enabling efficient wireless transmission over network protocols. The integrated CH340G USB-to-serial converter eliminates external adapters, providing direct USB connectivity for programming and debugging through standard serial communication protocols. The board operates on 5V USB power with onboard voltage regulation, featuring 520KB SRAM and 4MB flash memory for application code and image buffering.

What distinguishes this model is the factory-integrated camera module with proper optical alignment and the professional-grade CH340 serial interface that ensures reliable firmware uploads and serial debugging. The board includes a microSD card slot supporting up to 32GB storage for image and video recording applications. The design incorporates proper decoupling capacitors, antenna matching networks, and thermal management for stable operation in production environments. This makes it ideal for developers transitioning from prototyping to small-batch production of IoT camera systems without redesigning hardware.

Key Specifications

Specification	Details
Product Type	ESP32 WiFi Bluetooth Development Board with Integrated Camera
Brand	ESP32-CAM Official
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Processor	ESP32 Dual-Core 240MHz Xtensa 32-bit LX6
Camera Module	OV2640 2MP JPEG Compression
USB Serial Interface	CH340G USB-to-UART Converter
Wireless Connectivity	WiFi 802.11 b/g/n 2.4GHz, Bluetooth 4.2 BLE
Memory	520KB SRAM, 4MB Flash, microSD Card Slot up to 32GB
Power Supply	5V USB, 500mA typical consumption
Operating Temperature	-40°C to 85°C
Board Dimensions	27mm x 40.5mm x 14mm
GPIO Pins	30 pins with ADC, SPI, I2C, UART support

Key Features

• Integrated OV2640 Camera Module delivering 2-megapixel JPEG-compressed images at up to 15fps, eliminating external camera interface complexity and reducing board space requirements
• Dual-Core ESP32 Processor running at 240MHz with 520KB SRAM enabling real-time image processing, WiFi packet handling, and concurrent Bluetooth communication without performance degradation
• Built-in CH340G USB Serial Converter providing direct USB connectivity for firmware flashing and serial debugging without external adapters or additional driver installation on Windows/Mac/Linux
• MicroSD Card Slot supporting up to 32GB storage for continuous video recording, image archival, and local data logging independent of cloud connectivity
• Dual Wireless Protocols with simultaneous WiFi 802.11n and Bluetooth 4.2 BLE support enabling both remote monitoring over internet and local device-to-device communication in single application
• 30 GPIO Pins with integrated ADC, SPI, I2C, and UART interfaces allowing connection of sensors, actuators, and external modules for comprehensive IoT solutions

Applications and Use Cases

• Smart Home Video Surveillance Systems capturing real-time footage over WiFi with motion detection algorithms, enabling homeowners to monitor properties remotely with minimal bandwidth consumption through JPEG compression
• Industrial IoT Inspection Cameras for machinery monitoring and quality control, transmitting periodic snapshots to cloud platforms for predictive maintenance and defect detection in manufacturing environments
• Wildlife and Environmental Monitoring Stations operating on battery power with periodic WiFi uploads, capturing time-lapse photography of natural habitats with local microSD storage for extended deployments
• Robotics and Autonomous Vehicle Vision Systems providing onboard image processing for obstacle detection, line following, and autonomous navigation with real-time Bluetooth telemetry to control stations
• Educational IoT Projects teaching embedded systems, computer vision, and wireless networking through practical applications like face detection, object recognition, and remote-controlled camera platforms
• Access Control and Attendance Systems integrating facial recognition with RFID or QR code scanning, combining camera input with wireless data transmission for enterprise security solutions

How to Use

Begin by connecting the ESP32 S-CAM-CH340 to your computer via USB cable, which automatically installs the CH340 serial driver on first connection. Download the Arduino IDE and install the ESP32 board package through the Boards Manager by adding the Espressif repository URL. Select the correct board type as ESP32-CAM in the IDE, configure the correct COM port detected by the CH340 driver, and upload the example camera sketch from the ESP32 camera library. The integrated camera will initialize automatically, and you can access the camera stream through the board's built-in web server by connecting to the ESP32's WiFi hotspot or your local network.

For advanced applications, configure WiFi credentials in the sketch to enable remote access over your home or office network. Implement microSD card initialization code to enable image logging and video recording directly to the card. Use the Bluetooth 4.2 interface to pair with mobile devices for real-time control and status monitoring. The CH340 serial interface remains available for debugging output and firmware updates even after WiFi configuration, providing continuous development feedback. Ensure proper power supply of 5V with at least 500mA capacity during camera operation, as the WiFi and camera modules draw significant current during transmission peaks.

Frequently Asked Questions

Is the CH340 driver automatically installed on all operating systems?

The CH340 driver requires manual installation on Windows and older Mac systems, though modern Windows 10/11 and macOS 10.15+ often auto-detect it. Download the official CH340 driver from WCH Electronics website for guaranteed compatibility. Linux systems typically recognize it without additional drivers. Our support team provides driver installation guidance via WhatsApp if you encounter connection issues.

Can I stream video wirelessly without connecting to WiFi router?

Yes, the ESP32 can create its own WiFi hotspot (Access Point mode) allowing direct connection from your smartphone or laptop without requiring a router. Alternatively, use Bluetooth 4.2 for short-range wireless control. For internet-based remote access, the board must connect to your WiFi network and use cloud services or port forwarding for external viewing.

What is the maximum frame rate and resolution of the OV2640 camera?

The OV2640 sensor supports multiple resolutions including 2MP at 15fps, 1MP at 30fps, and lower resolutions up to 60fps. JPEG compression reduces bandwidth significantly compared to raw image data. Frame rate depends on lighting conditions, exposure settings, and WiFi bandwidth availability. For continuous video streaming, expect 10-15fps over typical WiFi networks.

Can I use this board for face recognition applications?

Yes, the ESP32 supports face recognition libraries like ESP-Face which run onboard for local processing without cloud dependency. The 240MHz dual-core processor and 520KB SRAM are sufficient for basic face detection and recognition with pre-trained models. For advanced applications requiring higher accuracy, process images on a backend server receiving JPEG frames over WiFi.

What is the power consumption during WiFi streaming?

Power consumption varies between 150mA idle, 300-400mA during WiFi transmission, and peaks of 500mA+ during simultaneous camera capture and WiFi upload. Use a quality 5V power supply rated for at least 1A to prevent brownouts. For battery-powered applications, implement sleep modes and periodic transmission intervals to extend runtime.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy ESP32 S-CAM-CH340 Development Test Board WiFi+ Bluetooth Module ESP32 Serial Port with OV2640 Camera Online in India

Purchase the ESP32 S-CAM-CH340 Development Test Board WiFi+ Bluetooth Module ESP32 Serial Port with OV2640 Camera online at The Engineer Store, India's trusted source for genuine electronics. We deliver