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...
Last time I used Keil µvision4 few weeks ago everything was working fine,
Today I got first a connection problem with keil µvision4 when trying to upload some code, then...
For some reason I get the following error every time I open a project in Keil.
I am wondering if the SDK needs updated?
C:\Keil_v5\ARM\PACK\NordicSemiconductor\nRF_DeviceFamilyPack...
Hello,
I bought a couple of days ago, the nrf51422 Development Kit. It comes with all the items described by Nordic on the website.
Just two questions:
My PCA10006...
Goodmorning
I have few problem with this project. I took the source file from github.com/.../nrf51-ble-app-temp and I modified the main.c to use with S110 6.0.0, nRF51...
Hi,
I am using nRF51822 with Softdevice S110 v6.0 to advertising packets and I would like to know when transmission is over to read some data from external sensors. I tried...
Hi, im implemented several services and characteristics in the nrf51822 with S110, its all working (read, write and notification), tested with an iOS app.
Now i need to implement...
Hi,everyone
I want to make out 4 channel PWM with PPI and two timers , PPI configuration like this,
/* Configure PPI channel 0 to toggle PWM_OUTPUT_PIN on every Timer...
Hi All,
I would like the nrf51822 sleep, wake up and then continues advertising.
I try following code:
NVIC_DisableIRQ(RTC1_IRQn);
NRF_RTC1->EVTENCLR...
hello, everyone.
i am a new, i can't understand the meaning of "One event can trigger multiple tasks by using multiple channels and one task can be triggered by multiple...
Please provide me some details about how to implement watchdog functionality so that i can reset the entire system for avoiding software Hangs
I have come up with a code...
Hi,
I have downloaded the SDK 6.0 which contains the ble_app_uart and tried to compile it using GCC, but getting the following error which doesn't make any sense because...
I see the nrf51822-DK and and nrf51822-EK are now marked 'not recommended'. Why is this?
I now see an nRF51-DK and an nRF51 dongle. Are these now the current development...
Hello,
I want to use broadcaster mode for nrf51822, could you tell me please what I must to do to use this mode?
I suppose I must to set BLE_GAP_ADV_TYPE_ADV_NONCONN_IND...
Hi,
We need to develop piconet where each device able initiate receiving and transmitting data.
According to a Bluetooth Core V4.0 specification this topology named like...
