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...
SDK11, nRF51422.
Is it safe to use pstorage and fstorage at the same time?
I want to use fds for data storage in my firmware, but device_manager_peripheral.c requires...
Hi, I am trying to read a 24-bit register (with 8-bit address) using the I2C (nrf52). And the timing diagram is given below.
Basically I created a 3-element array (24...
I am having trouble getting the experimental ble_app_multirole_lesc example working with Android and nRF Connect. It is working fine in iOS. I am using v12.1.0 of the SDK...
hi..
i'm trying to use cmsis pack on nordic nrf52 with make command to get to cpu registers and have the folowing error:
Compiling file: main.c
In file included from...
Hi,
I was testing our product with PPK today and noticed one weird problem,- it seems that time is incorrectly displayed in the PPK software. Please have a look on the...
I have customised the ble_app_uart example for my application and the modified code works with the DK board. When I wanted to deploy this to the beacon board (pca20006), I...
I am using the SAADC on a NRF52 to read the battery voltage.
Everthing works fine on the NRF52 DK board but on my custom board I get around
the half of the real voltage...
Hi Nordic Semiconductor's community,
I have a question about the function sd_ble_gatts_value_set(), more precisely about if it is
possible to set the CCCD value of a characteristic...
Hello,
we have developed a custom BLE peripheral device. All peripheral devices have the same name. If we want to indetify a specific peripheral device with a smartphone...
I'm using the nrf52 for providing Bluetooth connectivity to an embedded board. My current perspective is that the nrf52 should physically be connected to the UART pins of...
Hi All
I am porting a small OS to the nRF52832. I want to be able to lock down memory of unpriviledged processes.
I have not integrated the softdevice yet.
The memory...
Hello
where can I find some examples of how to create an Android app with BLE NUS peripheral? I have only found NRF Uart app but there is central mode implemented in this...
HI!,
In Eclipse Neon.1 x86_64 with SDK12 examples I get this error:
Symbol 'NRF_CLOCK_LFCLKSRC' could not be resolved
In this line:
nrf_clock_lf_cfg_t clock_lf_cfg...
Hello everyone!
I have studied the OpenMesh for a couple of days. It seems the Openmesh framwork is standalone with the ble stack(S110), and the framwork operate the RADIO...
Hi everyone, I am working on an NRF51822 project which requires the use of non-volatile memory to store user profile (so I think either flash or external EEPROM). As far as...
