Built‑in USB programmer: CH340G chip with Micro‑USB port, no external adapter needed
Powerful ESP32 SoC: Dual‑core LX6 CPU, 240 MHz, Wi‑Fi 802.11 b/g/n + Bluetooth 4.2/5.0 LE
Camera module: OV3660 sensor included (supports OV2640/OV7670 alternatives)
Memory: 520 KB SRAM + 8 MB PSRAM, 32 Mbit SPI flash
Expandable storage: MicroSD slot supports up to 4 GB
Compact size: 48 × 27 mm, ideal for IoT and embedded projects
Low power modes: Deep sleep current ~6 mA for battery‑friendly designs
Multiple interfaces: UART, SPI, I²C, PWM, ADC, DAC
Technical Specifications
| Feature | Details |
|---|---|
| CPU | Dual‑core 32‑bit LX6, 80–240 MHz |
| RAM | 520 KB internal + 8 MB external PSRAM |
| Flash | 32 Mbit SPI |
| Camera | OV3660 (default), supports OV2640/OV7670 |
| Connectivity | Wi‑Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR + BLE |
| Storage | MicroSD slot (≤4 GB) |
| Interfaces | UART, SPI, I²C, PWM, ADC, DAC |
| Voltage | 4.75–5.25 V (Micro‑USB powered) |
| Size | 48 × 27 mm |
Applications
- Smart home devices (video doorbells, surveillance cameras)
- Wireless monitoring (CCTV, baby monitors, livestock monitoring)
- IoT projects (remote sensors, image recognition, QR scanning)
- Robotics and Object Detection (drone vision, autonomous navigation)
- Smart agriculture (crop monitoring, livestock tracking)






