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Cyntech LISIPAROI LED Ring / Flash for Raspberry Pi Cameras - Cyntech LISIPAROIWHT-01, The LISIPAROI light ring / flash from Cyntech gives your Raspberry Pi camera the extra light it needs to capture better images or capture images in interesting new situations. It can either be used as a fixed light source or like a traditional flash unit. Driving the LISIPAROI is simplicity itself, attach power to the board (5V DC, GND) then use a single digital output signal to switch the light on (logic 1) or off (logic 0). You can control the duration of the flash by setting the time the IO pin is high, or you can control the brightness of the light by outputting a PWM signal on the pin. A pair of holes is provided for attaching the Pi camera, and these can also be used to mount the light to other hardware. Experiment with the use of lighting or flash, for example, use the flash to take time-lapse images.If you have a Pi Noir camera and want an IR light source we have one of those too.There is a useful guide on the manufacturer's website here. Cyntech LISIPAROI White LED Ring / Flash for Raspberry Pi Camera