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,
We have some problems with nRFgo Studio on the one of our computers.
Firstly, it takes a long time to flash firmware - about 15-20 seconds:
Secondly, we...
I have interfaced a vibration switch with nRF51822 Pin 19 using external pull-up. When there is no vibration the switch is either at open position or close position randomly...
UPDATED WITH IMPLEMENTATION
Is there a way to know what is triggering a chip boot :
Power off (battery replacement or deffective electrical connection)
The watch...
I have an old project I am trying to recompile for nrf51822 but have been programming with the most recent MDK on my station. The project is asking for old Device Family pack...
Hi all!
I just tried to compile the DFU example from the nRF51_SDK_7.1.0_372d17a and I keep getting the building error:
Referred Memory Range 'IRAM2' is undefined
...
Hello,
Does nRF51822 has a MAC adress when we buy it ?
If yes, is it possible to have two nrF51 with the same MAC adress ?
If yes, can we buy a MAC adress range and...
The new tutorial points to this github repository.
Then there is this instruction:
Download the NUS central example from github.
Open it in Keil by opening the file...
I think the following sentence in the new BLE Central tutorial is a typo:
Flash the S110 Softdevice it to your central device using nRFgo studio.
I think you mean...
Hello,
I'm trying to setup a gazell application that could use the same resources of the Nordic SD.
Using the keil package manager, I switched the package configuration...
I'm going to configure nRF51822 chip as a spi slave.
And there are no more pins for the connector.
So I am trying to connect SS pin to the ground pin, instead to connect...
Hello
I'd like to write my own application for flashing nrf51822. It will add some additional information info hex file.
How can I burn hex file into the flash using...
Hi,
I was wondering if you can please clarify the licensing terms for the nrf51 softdevices?
I found the link to the SDK license here:
devzone.nordicsemi.com/.../license...
Hi,
I am trying to use GCC with Eclipse as explained in this tutorial , and after spending hours trying to figure it out, I am completely lost and ask for advices and help...