The ESP32-CAM [2M] with GC2640 Camera and Micro-USB CAM Download Board is a complete, ready-to-use development kit that combines the powerful ESP32-S dual-core microcontroller with a GC2640 2-megapixel camera, a MicroSD card slot, and a dedicated Micro-USB download board with CH340 USB-to-serial chip. This all-in-one package eliminates the need for external programmers and complex wiring, making it an accessible and cost-effective way to get started with ESP32 camera projects.
At its core, the ESP32-CAM board is built around the ESP32-S chip, featuring a dual-core 32-bit LX6 microprocessor running at up to 240 MHz, with 520 KB SRAM and 4 MB PSRAM for image buffering and processing. It supports Wi-Fi 802.11 b/g/n and Bluetooth v4.2 BR/EDR + BLE, enabling wireless image transmission, remote monitoring, and integration with IoT platforms.
The included GC2640 camera sensor is a 2-megapixel CMOS sensor from GalaxyCore, capable of capturing images at up to 1600 × 1200 resolution. The GC2640 is positioned as a cost-effective alternative to the OV2640, making it suitable for budget-sensitive projects and volume deployments. The camera connects via a 24-pin DVP interface and supports RAW, RGB565, and YUV output formats.
Important Note: Unlike OV-series cameras, the GC2640 does not include hardware JPEG compression. This means that for streaming or storage applications, JPEG encoding must be performed by the host microcontroller, which can increase CPU load and memory requirements. For applications that require on-sensor JPEG compression, an OV-series camera would be a more suitable choice.
The Micro-USB CAM Download Board is the key addition that makes this kit stand out. It features the CH340 USB-to-serial chip, a mature and widely supported interface solution that requires only a one-time driver installation. The download board plugs directly onto the ESP32-CAM’s GPIO pins, providing a Micro-USB connection for programming and power. This eliminates the need for an external FTDI programmer, manual jumper wires, or pressing buttons in a specific sequence — simply connect a Micro-USB cable and upload your sketch.
The download board also includes a built-in reset circuit and auto-download functionality, making the programming process as simple as using a standard Arduino board.
A MicroSD card slot on the ESP32-CAM supports up to 32 GB cards (FAT32 format), allowing you to store captured images and logged data locally. The board also includes an onboard flash LED for low-light illumination, an onboard red LED for status indication, and a reset button.
The board exposes 16 GPIO pins for external connections, including UART, SPI, I2C, and PWM interfaces. Supported development environments include Arduino IDE and ESP-IDF, with the esp32-camera library providing camera control functions.
Whether you are a beginner exploring IoT camera projects, a hobbyist building a home monitoring system, or a business purchasing in bulk for product development, this complete kit offers a practical, affordable foundation for embedded vision applications. It is suitable for individual makers, students, and businesses alike.
Features
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ESP32-S dual-core processor — 32-bit LX6 at up to 240 MHz, with 520 KB SRAM and 4 MB PSRAM
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GC2640 2MP camera — Captures images up to 1600 × 1200 resolution; cost-effective alternative to OV2640
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Micro-USB CAM Download Board included — CH340 USB-to-serial chip for direct programming via Micro-USB cable
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No external programmer required — Download board plugs directly onto ESP32-CAM GPIO pins
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Auto-download functionality — Built-in reset circuit simplifies programming
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MicroSD card slot — Supports up to 32 GB FAT32 cards for local image and data storage
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Wi-Fi & Bluetooth connectivity — 802.11 b/g/n and Bluetooth v4.2 BR/EDR + BLE for wireless transmission
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Onboard flash LED — Provides illumination for low-light image capture
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16 GPIO pins — Exposed for UART, SPI, I2C, PWM, and external peripherals
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Wide development support — Arduino IDE and ESP-IDF compatible, with esp32-camera library
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Microcontroller | ESP32-S, dual-core 32-bit LX6, up to 240 MHz |
| 2 | Camera Sensor | GC2640, 2MP (1600 × 1200) |
| 3 | Memory | 520 KB SRAM + 4 MB PSRAM |
| 4 | Storage | MicroSD card slot, up to 32 GB (FAT32) |
| 5 | Wireless | Wi-Fi 802.11 b/g/n, Bluetooth v4.2 BR/EDR + BLE |
| 6 | USB Interface | Micro-USB via CH340 download board |
| 7 | Power Supply | 5V via Micro-USB or pins; 3.3V logic |
| 8 | Dimensions | ESP32-CAM: 27 × 40.5 × 4.5 mm |
