Unit CamS3-5MP – High-Resolution ESP32-S3 Wi-Fi Camera Module
Unit CamS3-5MP is a compact, high-performance camera module built around the ESP32-S3-WROOM-1-N16R8 microcontroller. Designed for cloud-based image transmission, it supports Wi-Fi connectivity, local microSD storage, and USB serial communication via the included Grove2USB-C adapter.
🚀 Features
- ESP32-S3-WROOM-1-N16R8 dual-core 240 MHz processor with onboard Wi-Fi antenna
- 5 MP PY260 camera with 88° DFoV and 2592 × 1944 resolution
- 8 MB PSRAM and 16 MB Flash for fast image processing
- Built-in microSD card slot for local data storage
- PDM microphone (MSM1261D4030HCPM) for audio capture
- Programmable indicator LED for status signaling
- EzData cloud upload for remote monitoring
- HY2.0-4P port for USB communication and firmware updates
📦 Package Includes
- 1 × Unit CamS3-5MP
- 1 × Grove2USB-C adapter
- 2 × Male-to-Male Jumper Wires
- 1 × HY2.0-4P Grove Cable (20 cm)
- 1 × LEGO-compatible mounting adapter
🛠️ Applications
- Remote surveillance
- Time-lapse photography
- Industrial automation
- IoT image monitoring
📚 Tutorials & Resources
📐 Technical Specifications
| Specification | Details |
|---|---|
| MCU | ESP32-S3-WROOM-1-N16R8 |
| Clock Speed | Dual-core 240 MHz |
| RAM | 8 MB PSRAM |
| Flash | 16 MB |
| Camera | 5 MP PY260 |
| Focus | Fixed at 0.6 m |
| Output Format | JPEG |
| Field of View (DFoV) | 88° |
| Microphone | PDM MSM1261D4030HCPM |
| Storage | microSD card slot |
| Operating Temperature | 0 ~ 40 °C |
| Product Dimensions | 40.0 × 24.0 × 11.0 mm |
| Product Weight | 11.1 g |
| Package Dimensions | 138.0 × 93.0 × 12.0 mm |
| Gross Weight | 19.2 g |
🔌 Pin Mapping
HY2.0-4P UART Port
| Pin | Color | Function |
|---|---|---|
| Black | GND | Ground |
| Red | 5V | Power |
| Yellow | G20 | UART TX |
| White | G19 | UART RX |
Camera Interface
| Signal | Camera Pin | ESP32-S3 GPIO |
|---|---|---|
| SCCB Clock | SIO_C | G41 |
| SCCB Data | SIO_D | G17 |
| System Clock | XCLK | G11 |
| Vertical Sync | VSYNC | G42 |
| Horizontal Ref | HREF | G18 |
| Pixel Clock | PCLK | G12 |
| Pixel Data Bit 0 | Y2 | G6 |
| Pixel Data Bit 1 | Y3 | G15 |
📄 Schematics
Download Unit CamS3-5MP Schematics (PDF)
⚙️ Programming Tip
To enter download mode via Grove2USB-C, short the G0 and GND pins using the jumper wires before powering on.
📷 Unit CamS3-5MP – ESP32-S3 5MP Wi-Fi Camera Module
Unit CamS3-5MP is a high-resolution camera module powered by the ESP32-S3-WROOM-1-N16R8. It supports Wi-Fi image transmission, local microSD storage, and USB serial communication via the included Grove2USB-C adapter. Ideal for remote monitoring, time-lapse photography, and industrial automation.
🔧 Extended Camera Pin Mapping
| Signal | Camera Pin | ESP32-S3 GPIO |
|---|---|---|
| Pixel Data Bit 2 | Y4 | G16 |
| Pixel Data Bit 3 | Y5 | G7 |
| Pixel Data Bit 4 | Y6 | G5 |
| Pixel Data Bit 5 | Y7 | G10 |
| Pixel Data Bit 6 | Y8 | G4 |
| Pixel Data Bit 7 | Y9 | G13 |
| Camera Reset | RESET | G21 |
| Camera Power Down | PWDN | GND |
| Power Supply | AVDD / DOVDD | 2.8 V |
| Power Supply | DVDD | 1.2 V |
| Ground | GND | GND |
📌 Peripheral Pin Assignments
| Unit CAMS3-5MP | G19 | G20 | G9 | G38 | G39 | G40 | G14 | G47 | G48 |
|---|---|---|---|---|---|---|---|---|---|
| Grove | RX/D- | TX/D+ | |||||||
| SD Card Socket | CS | MOSI | CLK | MISO | |||||
| Programmable LED | LED | ||||||||
| Mic | CLK | DATA |
📁 Datasheets
🧰 Software & Firmware
⚙️ EasyLoader
| Easyloader | Download | Note |
|---|---|---|
| Unit CamS3-5MP Firmware Easyloader | Download | / |
After flashing, connect to , open in your browser, and click to view live images. EzData features include cloud streaming, audio recording, and SD card storage.
📊 Product Comparison
| Product | SoC | Memory & Flash | Camera | Microphone | Download Tool | Download Method |
|---|---|---|---|---|---|---|
| Unit CAM (U109) | ESP32-WROOM-32E | 520 KB SRAM, 4 MB SPI flash | OV2640 2 MP | / | ESP32-Downloader | USB-TTL |
| Unit CAMS3 (U174) | ESP32-S3-WROOM-1-N16R8 | 8 MB PSRAM, 16 MB Flash | OV2640 2 MP | MSM1261D4030HCPM | Grove2USB-C | CDC |
| Unit CAMS3 5MP (U174-B) | ESP32-S3-WROOM-1-N16R8 | 8 MB PSRAM, 16 MB Flash | PY260 5 MP | MSM1261D4030HCPM | Grove2USB-C | CDC |