A comprehensive guide on choosing a dash cam. The article provides detailed information about dash cams, their features, installation, and maintenance. It covers various topics such as video quality, license plate capture, parking mode, and temperature resistance. The article also discusses warranty, insurance, and theft related to dash cams.
Learn about enabling parking mode through an OBD power cable.
Features:
Use low-power dual-core 32-bit CPU, which can be used as an application processor.
The main frequency is up to 240MHz, and the computing power is up to 600 DMIPS
Built-in 520 KB SRAM, external 8MB PSRAM
Support UART/SPI/I2C/PWM/ADC/DAC and other interfaces
Support OV2640 and OV7670 cameras, built-in flash
Support picture WiFI upload
Support TF card
Support multiple sleep modes.
Embedded Lwip and FreeRTOS
Support STA/AP/STA+AP working mode
Support Smart Config/AirKiss one-click network configuration
Support secondary development
Specifications:
Working voltage 4.75-5.25V
SPIFlash default 32Mbit
RAM internal 520KB + external 8MB PSRAM
Wi-Fi 802.11b/g/n/e/i
Bluetooth Bluetooth 4.2BR/EDR and BLE standard
Support interface (2Mbps) UART, SPI, I2C, PWM
Support TF card, maximum support 4G
IO port 9
Serial port rate default 115200bps
Spectrum range 2400 ~2483.5MHz
Antenna form Onboard PCB antenna, gain 2dBi
Image output format: JPEG (only OV2640 support), BMP, GRAYSCALE
Packaging method DIP-16
Transmit power 802.11b: 17±2dBm (@11Mbps)
802.11g: 14±2dBm (@54Mbps)
802.11n: 13±2dBm (@MCS7)
Receiving sensitivity CCK, 1Mbps: -90dBm
CCK, 11Mbps: -85dBm
6Mbps(1/2BPSK): -88dBm
54Mbps (3/464-QAM): -70dBm
MCS7 (65Mbps, 72.2Mbps): -67dBm
Power consumption Turn off the flash: 180mA@5V
Turn on the flash and adjust the brightness to the maximum: 310mA@5V
Deep-sleep: The lowest power consumption can reach 6mA@5V
Moderm-sleep: the lowest can reach 20mA@5V
Light-sleep: the lowest can reach 6.7mA@5V
Security WPA/WPA2/WPA2-Enterprise/WPS
Working temperature -20 ℃~ 70 ℃
Storage environment -40 ℃~ 125 ℃, <90%RH
Board size: 2.72 x 3.980CM
Weight: 13 grams
Application:
Home smart device image transmission
Wireless monitoring
Smart agriculture
QR wireless recognition
Wireless positioning system signal
And other IoT applications
Package Included:
1 x SP32-CAM with Bluetooth download module
1 x OV2640 camera module