My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
This is not a real question for support. It's more a success story i'd like to share with you!
Our company develops firmware for various customers on a lot of different...
Hi,
as stated in the title, we have a nrf52840 dongle (PCA10059) which does not come up normally on a Nvidia xavier devboard. Output of dmesg:
We tried different OS...
Hi,
I'm working on an LwM2M client that reads three sensors in sequence every N minutes and notifies the server about the value change.
The server supports the LwM2M 1...
Hello,
I am trying to use a PPK II on Chromebook Linux. The nRF Connect for Desktop software installs and runs but does not recognize the PPK II hardware. I have allowed...
Hi, I'm trying to write an app to capture images from a camera and was wondering how to monitor changes on specifc defined pins in the board overlay file. For example if(...
The certification lab is testing nRF52840 RF .They need to test LE coded S=8,Payload Type：11111111：payload length：37
but i can't find Payload Type：11111111 in software nRF_DTM...
I am a beginner I want to advertise for some time then go to sleep mode and wake up do some tasks like advertising and go to sleep mode again. Do all this process recursively...
It looks like the nRF52840 only supports:
8 data bits
1/2 stop bits
even/no parity
So 7E1 is not a supportable mode...is this true? is there a possible work around...
Hi,
I am using nrf52840 and power it by voltage 3v using CR123A battery. As per datasheet minimum operating voltage is 1.7V. But i am facing controller reset at 2.5V. What...
How do we enable a PPI TASK for a GPIO output pin configured using zephyr GPIO driver API? ex: gpio_pin_configure_dt (&ex _pin , GPIO_OUTPUT );
If I just call nrfx_gpiote_out_task_enable...
Hi,
I'm having some trouble getting a device pointer for the OV7670 Camera. I've ported the OV7725 driver. It appears as if the program exits the driver before setting...
So I've been having an issue connecting JLink to programmer v2.2.0.
15:57:24.681
Using @nordicsemiconductor/nrf-device-lib-js version: 0.4.1
15:57:24.682
Using...
I'm trying to upgrade the nRF9160 modem FW on our nRF9160-DK. Programmer v2.2.2 indicates success but the at commands continue to return
at+cgmr
mfw_nrf9160_1.2.3
OK...
I am using the DPPI feature in the nRF5340 to trigger an SPI transaction from a GPIO edge with a delay.
In more detail:
GPIOTE IN event triggers RTC clear task
RTC compare...
Hello,
I've been trying to figure why calling sd_ble_gap_tx_power_set() continues to return the error NRF_ERROR_NO_MEM. I'm using SDK 17.0.2 with S113, v7.2.0 on the NRF52840...
