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
Has anyone been able to write to the UICR NFCPINS register?
I am using the following code and it i get a cpu reset
/*=============================================...
I am facing problem to connect my computer with another devices. when i am trying to connect it with another devices, it not show on another devices. So please help me to...
Hi, Nordic
When I use nrfutil dfu ble, it shows:
File "D:\Program Files\Python27\lib\site-packages\nordicsemi\dfu\dfu_transport_ble.py", line 226, in open
target_device_addr...
Documentation specifies levels of security mode 1, and first level means that connection is without any encryption. But how it is possible? Every connection starts with pairing...
Hi,
I have modified my files as mentioned here . When I upload the package, the template device show and I am able to connect. But when I subscribe to the notification...
I'm trying to find out if drawing more than 70mA through the PPK will damage it.
As I have a beeper on my custom board that can draw 200mA, and I'm concerned that attaching...
I have 6 RGB LED strips and I would like to control them by Raspberry PI. 6 strips with 3 colors each require 18 controllable PWM sources, so I have SN3218 which is exactly...
Hi all,
I'm new to nRF51822 and I'm trying to use the fds system.
However, I always get a NO MEM return code when calling the init method.
Any hint?
Thanks
This is my code，the problem is when cpu executed the __WFI() instruct it should be paused ,this means that NRF_LOG_INFO("wake up\r\n") should not been executed only after...
I am trying to integrate an ADXL345 with my nRF52. I am attempting to implement Bjørn Spockeli's driver which I stumbled upon here: devzone.nordicsemi.com/.../
I am using...
Hi all,
I have an application for nRF52 which works fine using SDK 12.1.0. I am now trying to make it working with 12.2.0 and it hangs.
Apparently inside the function...
My question is somehow connected to hardware side of SPI(M) peripheral implementation.
When using SPIM, I am observing 3 types of situation:
WhenSCK pin is defined...
Hello,
I took this project on about a month ago to do bug fixes within the app. The bugs are fixed but the OTA was not tested for the last 2-3 months. No changes were made...
