Overview:
- ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module
- low-power dual-core 32-bit CPU for application processors
- up to 240MHz, up to 600 DMIPS
- built-in 520 KB SRAM, external 4M PSRAM
- supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC
- supports OV2640 and OV7670 cameras with built-in flash
- Support for image WiFI upload
- supports TF cards (MicroSD)
- supports multiple sleep modes
- embedded Lwip and FreeRTOS
- supports STA/AP/STA+AP working mode
- supports Smart Config/AirKiss one-click distribution network
- SPI Flash: 32Mbit by default
- RAM: internal 520KB, external 4M PSRAM
- Bluetooth: Bluetooth4.2BR/EDR and BLE standard
- Wi-Fi: 802.11 b/g/n/e/i
- Supported interfaces: UART, SPI, I2C, PWM
- IO connections: 9
- Serial interface speed:115200
- Image output format: JPEG (only supported by OV2640), BMP, GRAYSCALE
- Spectral range: 2412 ~ 2484MHz
- Antenna shape: Onboard PCB antenna, gain 2dBi
- Transmission power: 802.11b: 17±2 dBm (@11Mbps)
- 802.11g: 14±2 dBm (@54Mbps)
- 802.11n: 13±2 dBm (@MCS7)
- Receive sensitivity: CCK, 1 Mbps: -90dBm
- CCK, 11 Mbps: -85dBm
- 6 Mbps (1/2 BPSK): -88dBm
- 54 Mbit/s (3/4 64-QAM): -70dBm
- MCS7 (65 Mbit/s, 72.2 Mbit/s): -67dBm
- Security through WPA/WPA2/WPA2-Enterprise/WPS
- Power supply range: 5V
Scope of delivery:
- 1x ESP32 developer board with 2.0MP camera and CH340 adapter board