Search found 2 matches

by gritnix
Tue Dec 17, 2019 12:09 pm
Forum: Hardware
Topic: Holding a GPIO pin during deep sleep
Replies: 3
Views: 7688

Re: Holding a GPIO pin during deep sleep

One other thing. One of the pins I need to hold low during deep sleep is GPIO_NUM_33. Feels like that shouldn't be a big deal, but the this pin wants to sit at around 0.15V even after being set low during the code and even after I use the gpio_deep_sleep_hold_en() call before sleeping. The pin will ...
by gritnix
Mon Dec 16, 2019 3:04 pm
Forum: Hardware
Topic: Holding a GPIO pin during deep sleep
Replies: 3
Views: 7688

Holding a GPIO pin during deep sleep

Hello, Programming a board with the Arduino IDE, I need to keep a couple pins low during deep sleep (GPIO_NUM_5 and 33). I've found that I need to call gpio_deep_sleep_hold_en() in order to achieve this, but when I do that, my current goes from 21uA during deep sleep (I'm using a dev board) to 270uA...