Unit Camera
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Description
Unit Camera is a cost-effective WiFi camera launched by M5Stack, featuring the ESP32-WROOM-32E control core and a 2-megapixel image sensor (OV2640) solution. The design is simple, with no unnecessary peripherals. The factory software integrates image transmission firmware, providing interfaces for image data acquisition and image parameter adjustments (such as white balance, exposure, gain, size, etc.). Users can directly obtain image data and interact with the camera via UART or WiFi. It supports UIFlow graphical programming, allowing users to use it out of the box without development. Additionally, the reserved program download interface enables users to easily update or customize the firmware to enhance functionality and performance. The camera also comes with a mounting clip, making it easy to fix in the desired position. Its compact design and high cost-effectiveness make it suitable for various wireless camera application scenarios.
Features
- ESP32 control core
- Simplified design
- 2-megapixel camera (OV2640)
- UART communication (supports image data acquisition, image parameter adjustment, etc.)
- WiFi image transmission
- Programmable LED indicator (blue)
- Programming platforms: ESP-IDF/Arduino/UIFlow
Includes
- 1 x Unit Camera
- 1 x HY2.0-4P Grove cable (20cm)
- 1 x Camera mounting clip (Lego compatible)
Applications
- Home security
- Smart home
- Industrial monitoring
- Agricultural monitoring
- Education and research
- Pet monitoring
Specifications
| Specification | Parameters |
|---|---|
| ESP32-WROOM-32E | 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi |
| Flash | 4MB |
| Camera | Focal length 4.8±5%mm Aperture 2.4±5% Lens type 1/4inch Field of view 65° Pixel 2M Distortion <1% Sensor OV2640 |
| Supported output formats | YUV (422/420) /YCbCr422, 8-bit compressed data, RGB565/555, 8-/10-bit Raw RGB data |
| DFOV | 65° |
| Product dimensions | 40 x 24 x 11mm |
| Package dimensions | 136 x 92 x 13mm |
| Product weight | 10.6g |
| Gross weight | 15.7g |
Learn
Unit Camera does not include a program download circuit. When users need to download and update the program for ESP32, they can use an external USB-TTL downloader for program burning. Click here to purchase the ESP32 download board
Schematics
PinMap
OV2640
| Interface | Camera Pin | Unit Camera |
|---|---|---|
| SCCB Clock | SIOC | G23 |
| SCCB Data | SIOD | G25 |
| System Clock | XCLK | G27 |
| Vertical Sync | VSYNC | G22 |
| Horizontal Reference | HREF | G26 |
| Pixel Clock | PCLK | G21 |
| Pixel Data Bit 0 | D0 | G32 |
| Pixel Data Bit 1 | D1 | G35 |
| Pixel Data Bit 2 | D2 | G34 |
| Pixel Data Bit 3 | D3 | G5 |
| Pixel Data Bit 4 | D4 | G39 |
| Pixel Data Bit 5 | D5 | G18 |
| Pixel Data Bit 6 | D6 | G36 |
| Pixel Data Bit 7 | D7 | G19 |
| Camera Reset | RESET | G15 |
| Camera Power Down | PWDN | -1 |
| Power Supply 3.3V | 3V3 | 3V3 |
| Ground | GND | GND |
HY2.0-4P Interface
| HY2.0-4P | Unit Camera |
|---|---|
| RX | G16 |
| TX | G17 |
| 5V | 5V |
| GND | GND |
LED (blue)
| LED | Unit Camera |
|---|---|
| D1 | G4 |
Model Size
Datasheets
Softwares
Quick Start
Arduino
ESP IDF
Product Comparison
| Product | SKU | Camera | Enclosure |
|---|---|---|---|
| Unit Camera | U109-B | Standard FOV:65° OV2640 | Includes enclosure and mounting clip |
| Unit CAM | U109 | Standard FOV:65° OV2640 | No enclosure |
| Unit Camera DIY KIT | U109-X | Standard FOV:65°, OV2640 Wide-angle fisheye FOV:160°, OV2640 | Includes enclosure and mounting clip |