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...
Hi,
I had a few nrf51822s lying around and as I find the chip and the SDK quite convenient to use, I thought about using them in a small MCU project which does not need...
Above you can see the original and commented out modified code for the given example. The modification causes crush to
NRF_BREAKPOINT_COND; // On assert, the system can...
Hi,
I was looking at the Thingy-52-to-nrf52xx demo. I want to capture raw motion data no a DK and save it for further processing. Are there any options (I guess one is nRF91...
hi
i read in earlier questions on the devzone that nordic offers to review the schematic and layout as well as perform tuning free of charge to their customer. Is that still...
Hello every!
I am testing FATFS example with nrf5284 PDK .
CLK - P1.15
MISO - P1.14
MOSI - P1.13
CS - P1.12
My micro sd card module work correctly with STM32 MCU. I...
Hi all,
I am Using SDK15, chipset is nrf52810 , In ble_app_uart application i have added the BLE_NUS_C and TWI application code , before this i have added only TWI to ble_app_uart...
This blog describes how to set up SES (Segger Embedded Studio) for use with nRF SDK:
https://devzone.nordicsemi.com/b/blog/posts/segger-embedded-studio-a-cross-platform...
i'm using DFU for my project, it worked fine until devices has been bonded , DFU cannot work again. i checked and find out that after running interrutps_disable() , the devices...
Hello, I am using an nRF51822 chip, configured to run as a SPI slave. The device receives commands from master, sends commands out of the radio, and relays back RF payloads...
Hello,
I've created my own custom model which allows a client to control the duty cycle of a couple PWM outputs which are on the server. My model is quite simple, it just...
Dear all,
We're started studying payment via BLE with NRF52. But i looking for in Nordic website and google it seem a little subject and document. Can Nordic expert supply...
Hello,
I am getting really confused when using te SAADC to convert the read values into voltages.
I have seen that the example ble_app_proximity() uses the following...
I'm using 14.2 SDK SES . I'm trying to send data of sensor through BLE . When i enable Notification in mobile applicaion (nRF connect) i generally dont get any value or garbage...
Hello, I'm trying to port my code for driving spi memory (S25FL256S) from nRF51822 to nRF52840. I'm using nRF52840 Preview DK, S140 and SDK 15.0.0. On nRF51 I used custom...
Hello everyone,
I'm using PDK 52840 as Programmer/Debugger for our target board with nRF52840 chip. We have also other componen which need 2.5V voltage (down from 3v)...
