NRF_GPIO_PIN_PULLDOWN

[York]

Hello , I want to use the Button with Height level to trigger.The default is Down level to trigger.What should i do for that ? I try to set BUTTON_PULL NRF_GPIO_PIN_PULLDOWN,but the io level is 1.9v.Why is it not 0V? The pin i use is pio2 and pio7.

[AndrzejB]

1. nrf_gpio_cfg_sense_input(pin_number, NRF_GPIO_PIN_PULLDOWN, NRF_GPIO_PIN_SENSE_HIGH);
2. U probably took wrong reference potential. Pin with pull-down will have 0V compared to GND and pin with pull-up will have supply voltage compared to GND.

[York]

There is a problem with the board.It finally worked fine. ^ ^