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 use pstorage to allocate 32bytes of memory with 2 block, means each block having 16 bytes, when I write 16byte data into block_0 portion, I am not able to go to the...
Hello,
I use the Segger J-link software with my PCA10001 and recently updated it to last version (v.5.1). After install it asked me to update the firmware to the last version...
Hello,
I'm trying to flash external nrf51422 module.
I want to flash both softdevice and application. I used below commands:
mergehex -m %SOFTDEVICE_NAME% %APP_NAME...
I want as much control over advertising as possible. Barring that, I want to understand why the softdevice automatically goes back into advertising after a GAP disconnect...
Hi,
Assume that we want to send a data array by putting it in consecutive advertisement packets. I know that data update has to be done by calling ble_advdata_set(...)...
Hi
I'm trying to implement battery level on my custom profile.
So I used battery.c and ble_bas.c files for the battery service from nodic's sdk nrf51822_v4.4.1.31827....
I have make over your bootloader example to create my own without BLE support in bootloader (new programs are send in application instead of in dfu bootloader). Bootloader...
Having some trouble using the NRF52 as RX and nrf24l01+ as TX. The NRF52 receives the packet, but for some reason it always says CRCerror.
Anyone ever tried to use NRF52...
Hey Guys,
In my custom board I need to use two different I2C bus and one SPI.
At the moment i'm using twi_master to comunicate with one of the TWI bus,
but to switch...
I have several nRF6930 beacon kits. Some have a sticker indicating they have a PCA10006 board, on others, the sticker indicates PCA20006. All PCBs are marked 400059 0138RUBR...
Dear developers,
As we know, nrf51 has a maximum flash erase / write cycles of 20.000 times. So, in my code, I have implemented a counter that checks if max. flash write...
Dear All,
Does it worth coding a selection (scanning?) of "relatively free" radio channel to stick to?
Say, before starting our distributed application (consider a network...
Hi,
The artical form this link is great !
devzone.nordicsemi.com/.../
but I've some interogations.
the clear text contains the nonce value; 12 random bytes starting...
