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...
Hello,
I have a battery with 4.2v max charge. Since this is outside the input range for nrf52832, I have to add a down voltage regulator. Now the question is: Should I...
Hi!
I need to modify the code of the secure and the non-secure images of my project.
I tried to follow this guide https://devzone.nordicsemi.com/guides/nrf-connect-sdk...
Hi
I have a project which is using 53832 as the master , main 52832 works with smart phone by bluetooth ,and broadcasts ebike information throght the ANT+ .
I would...
Hello everyone
I have a bunch of custom dongles from the company I work for and two of them started to behave in a strange way after I tried to erase and program them through...
Hi,
I'm currently in the evaluation phase of a project and would like to use a NRF52 chip, but I need to ensure, that I can use two independet hardware timers. I had already...
I am running a PWM pin on 15 using this DT Overlay:
pwmnmos {
compatible = "pwm-leds" ;
status = "okay" ;
pwm_nmos0: pwm_nmos_0 {
pwms = <& pwm2 15 >;
};
...
Hello,
I built my application based on your "ble_peripheral_lbs_coex" example. Board is nRF5340DK.
Mesh and BLE (NUS service) run together but I noticed that the NUS UUID...
I'm using SDK 17.1.0, softdevice 7.2.0 as a Bluetooth peripheral. I'm sending notifications to a paired iPhone. The notifications are keyboard keys, and so are time sensitive...
Hello,
I am trying to figure out how to save a small number of counters to local non-volatile memory on the nRF9160. I have a few questions.
1) How do I determine whether...
Hi
I want to measure chip temperature of nrf52840.
For this I referred " sdk-zephyr / samples / bluetooth / peripheral_ht / src /hts.c"
and I have enabled "CONFIG_TEMP_NRF5...
We are using nRF9160 DK (SDK 1.9.1) with "serial lte modem" firmware. We are trying to test downloading files from a server using AT commands to work with HTTP. The file is...
Upto a week I had *no* problem in programming a nRF52840 dongle with an app I am porting from the nRF52840dk.
All of a sudden I can't get the app running, the dongle appears...
I'm trying to get sprintf working with SDK 17.1. Basically, I'm struggling getting this simply use-case to work. char buf[32]; sprintf(buf, "%.3f", 3,5); I'm not able to find...
I know from zephyr samples that Tensorflow lite is available via zephyr as an external module, though it's not explicitly allowed in the nrf west.yml, and therefore is not...
Hi all, I follow example (serial) to build and run, i already run successfully, but i meet some question. when i use generic_on_off to control light at short time(2s), the...