ShutDown Mini 5MP Plus Ardu Cam to Save Power-Lowest power draw possible
Published by c172jeff on
Tagged: power spi arducam mah
- June 2, 2020 at 3:25 pm #23480c172jeffParticipant
I have an Arducam Mini Module Camera Shield 5MP Plus OV5642 Camera Module.
I wish to switch off as much power to the camera as possible for a low power application state. I plan to sleep the Arduino. When I later restart, I can reprogram any settings taht were lost. I want to reduce the mah consumed to the lowest possible.
How is this done. I saw some references to
#define GPIO_PWDN_MASK 0x02 //0 = Sensor normal operation, 1 = Sensor standby
#define GPIO_PWREN_MASK 0x04 //0 = Sensor LDO disable, 1 = sensor LDO enable
But cannot get the camera to consume less power than about 45 mah or so. I thought the camera could be set to consume 20 mah in a powerdown state.
How is this done?
My problem is that I cannot get the Arducam to burn less power than about 45 mah or so. What regs must I program and is there something else to switch off besides what the lines…
delay(10000); //wait a second to allow the led to be turned off before going to sleep
in my code.
All I want this script do is reduce camera power consumption as much as possible. The above lines lower to 45 mah or so. I want more reduction.
- June 2, 2020 at 5:46 pm #23483Arducam jyhModerator
Using myCAM.set_bit（ARDUCHIP_GPIO，GPIO_PWDN_MASK），You can only put the camera into low power mode, but the CPLD is still working, so there is always a high current.
If you want to fully control the power consumption of the camera, I think you can control the VCC of the camera directly with a switch and re-initialize it when the camera is woken up to minimize the power consumption.
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