The camera can be extended to become a rear camera, the program is set to delay the photo, and then become a camera function.

Camera cable length: 75mm

Hardware Specifications

Chipset: ESPRESSIF-ESP32-DOWDQ6 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor

Flash: QSPI flash/SRAM, up to 4 x 16 MB

Sram: 520 kB SRAM +  8MBytes External SPRAM

Key: Reset

Dispaly:  IPS Panel ST7789/1.3 Inch

Power indicator lamp: Red

USB to TTL: CP2104

Camera: OV2640  2Megapixel

On-board clock: 40MHz crystal oscillator

Working voltage: 2.3V-3.6V

Working current: About 160mA

Working temperature range: -40℃ ~ +85℃

Size: 69.13*28.41*8.45mm

Mic: MSM261S4030H0

SD Card: Integrated external SD card slot

Power management Chip:  IP5306

Power supply: USB 5V/1A

Charging current: 1A

Battery: 3.7V lithium battery

WIFI:Description

Standard: FCC/CE/TELEC/KCC/SRRC/NCC

Protocol: 802.11 b/g/n/e/i (802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 0.4μS Protection interval

Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M)

Transmit power: 22dBm

Communication distance: 300m

Bluetooth:Description

Protocol: Meet bluetooth v4.2BR/EDR and BLE standard

Radio frequency: With -98dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH

Audio frequency: CVSD&SBC audio frequency

Software specification:Description

Wifi Mode: Station/SoftAP/SoftAP+Station/P2P

Security mechanism: WPA/WPA2/WPA2-Enterprise/WPS

Encryption Type: AES/RSA/ECC/SHA

Firmware upgrade: UART download/OTA（Through Network/host to download and write firmware）

Software Development: Support cloud server development /SDK for user firmware development

Networking protocol: IPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT

User Configuration: AT + Instruction set, cloud server, android/iOSapp

OS: Free RTOS