試しに顔認証を行った程度でその後は保管したままでした。\rなかなか市場に出回らないボードです。\rArduino IDEにて開発が可能です。\r\r●Built-in ESP-32S Module\r●Support 802.11b/g/n/e/I and Bluetooth 4.2\r●Onboard 4MByte PSRAM, 32Mbit Flash\r●Parallel camera interface with onboard 2MP OV2640 camera module\r●24 digital input/output pins, IO ports are 3.3V tolerant\r●16 channels LEDC which is PWM\r●8 channels SigmaDelta which uses SigmaDelta modulation\r●2 channels DAC which gives a real analog output\r●Lithium battery input 3.7V\r●Battery recharging 3.7V/500mA max\r●Building in SD/TF card socket\r●Build-in USB-Serial download interface\r●Support ESP-IDF and Arduino IDE software develop tools\r●Supports three low power wake-up modes\r\rLens\r●EFL: 4.22mm\r●F.NO: 2.0\r●View Angle: 52 degree (diagonal)\r●Distortion: <1.0%\r●IR Sensitivity: Integral 650nm IR filter, visible light only\r●Lens Type: Fixed focus