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 everyone, I must read several data stored in a external E2prom and send them to a smartphone. I thought to do this by use of Record Access Control Point, so I can to...
Hello,
I would like to ask how to control the shutter of iPhone camera with nRF51822? Does Nordic provide that kinds of application? Thanks!
Henry Wong
I have just started with nRF51 DK using Keil uVision and encountered a strange problem. I compiled and loaded a ble_app_hrs example, I can see it working fine (the LED flashes...
hi,
I am using the nrf51422 for the first time. I need to connect a GSM-GPS module for reading nmea string. I have to use the uart to enable communication with the GPS and...
I just updated to SoftDevice 8 and now I'm getting the address 0x200023C4 in my apps error handler function. This error happens to be the start address for the ble_evt_buffer...
Hi All,
anyone was been successful in compiling and flashing SDK 7.1 Bootloader/DFU using arm-gcc on *nix machine ?
If every single hex file needs to be flashed apart...
Hi ,
During SOFTDEVICE_HANDLER_INIT function call , if I change the NRF_CLOCK_LFCLKSRC_XTAL_20_PPM macro to NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION , what is the...
Hi,
I have troubles programming my blinky in a nRF51DK. I have S110 v8 loaded and can flash blinky with nrfStudio. Not with GDB. It seems that the flash is not erased. After...
Hi to all,
I've started a new ble_apps_lbs project from ble_app_template. I've an nRF51822 chip with S110 already programmed, I modify the settings for the target cpu, and...
Hi
I have my code like this .
unsigned char *encryptedData;
unsigned int encryptedDataAfterAppendingLength;
memset(encryptedData, 0, encryptedDataAfterAppendingLength...
Hi, After i flashed the firmware MEFW nRF58122 0.11.0, MCP "start discovery" button is disabled. I flashed the lower version MEFW nRF58122 0.9.0. Same issue.
There is exception...
Dear all,
I have a question on the LFCLK accuracy in the smart beacon kit, which is pca20006.
When I see the specification of LFCLK crystal 32.768kHz, this crystal has...
I'm developing a product using a module with a built-in NRF51822 and I'm experiencing a strange error:
After staying in a connection for a long time (hours to days), the...
