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...
I’m currently making some measurements with a power analyzer on both, our own hardware design with the nRF52840 (Samples B) and the nRF52840 Preview Dev Kit.
I took the...
Hello Community,
this is my first question, since I could not find any clue on the internet and here on the devzone.
Problem:
I need to read/write a value to a GATT...
Hi,
I compiled (using ARM GNU) and run the USB CDC ACM example found on SDK_14_0_0. I have windows 10.
Windows 10 do not reckognize it as a CDC device and instead I...
hi,
I am developing with nRF 52832 on my own board. the code worked fine until I added the UART_init() function. my source code outputs an error message.
i reinstalled...
Hello,
How reset device from code to take effect of enabling access port protection? NVIC_SystemReset() doesn't work. I can read flash using j-link.
Device: nRF52832
Hi all
We are experiencing high current draws that lead to 51822 chip failure under some circumstances. By looking at this thread
https://devzone.nordicsemi.com/f/nordic...
Hello there,
I am developing a coap based client-server application which has thread mesh network. Client is a sleepy node here.
Dev kit: nrf52840
Thread SDK: nRF5_SDK_for_Thread_v0...
Hello everybody,
I want to see integer number with use NRF_LOG_INFO . I try to this;
But RTT_Viewer show like this;
"You have 536881776 trial rights."
I have to...
I am using Nordic NRF528321 with SDK 11.0 and soft device S132 as ble central.At peripheral side it is Nordic NRF51422 with SDK12.2 and soft device S130.I am trying to pair...
Hi,
I'm on nrf52dk platform.
I have flashed the MQTT publisher firmware in IOT section provided in nRF5 SDK 14.2, config the ip address and auth info in code; established...
Hello, I am using nrf52840 PDK, sdk 13.0.0. I managed to read accel, gyro data from the MPU9250 using MPU library based on this example . However, I got magnetometer reading...
Hi guys,
I start with SDK13 and i want to create SDcard saver same information every 5 second on card. This is my code, i have no idea why it din't work.
I red that...
Hi,
i am trying to compile nrf51_sdk example using linux
I have 1- gcc-arm-none-eabi-4.9-2015q3 in location /usr/local/gcc/gcc-arm-none-eabi-4.9-2015q3
also install...
Hi there,
How in the question title, what could be more efficient? use a nrf_delay_us or Timer with HFCLK source.
I am creating a custom protocol to transfer data between...
