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...
I don't know where it is used..
example, when I use sd_ble_gatts_hvx(conn_handle, &p_hvx_params), conn_handle was BLE_GATT_HANDLE_INVALID(0x0000) result of debugging. ...
I use nRF5_SDK_12.2.0_f012efa to develop BLE application in IAR workbench. Now I want to test the example: ble_app_template_pca10040_s132-nrf52832_xxaa. The project can pass...
First off, I have worked through Vidar's excellent tutorial located at " devzone.nordicsemi.com/.../" and have successfully built and run the blank blinky example so my installation...
Hello,
I am trying to change the MAC address of my device nRF52, by using NRF_FICR->DEVICEADDR[0], NRF_FICR->DEVICEADDR[1], I am able to see the device address.
But...
Hi I am using SDK 12.0.0.0 in nRF52832 in this code when I am using __enable_irq(); function for enable the interrupt then controller is getting reset can anyone help me regarding...
Hi,
I was trying to plot incoming ADC variables using Keil Logic Analyzer function inside the IDE.
So far no success; I am able to use it when using STM32 board.
...
I am getting confused when using nrf_gpio_cfg_input(PIN_12,NRF_GPIO_PIN_PULLDOWN)
should i keep it as NRF_GPIO_PIN_PULLDOWN,PULLUP or should i use NRF_GPIO_PIN_SENSE_HIGH...
Hi!
Using the out of the box ANT shared channel demo with a NRF52-DK board and the iOS demo app everything compiles and installs nicely, using the Android-based app nRF...
I'm working on a proximity beacon application using the nRF51 DK and a Nordic Beacon. The application basically has the nRF51 DK connect to the Beacon and monitor the RSSI...
Hi All,
Just want to ask if there is a better or recommended way to manage priority interrupt.
My application uses 3 interfaces:
SPI as master to interact with...
Hello,
I have an BLE application were I want, for security reasons, to allow a connection only if a button is pushed or if the devices already have bonded before. The Button...
Hello lovely Nordic Semiconductor staff (and everyone else reading this),
I have recently been working on exploring the use of BLE via Nordic chips in my employer's products...
Hi,
How to store two application image in nrf51822 flash each image size is 60kb. I have enough space
To store images but I don't know how to store. Please guide me to...
How can i reaed 32bits word using spi ?
I don't find the function to configure the SPI to read 32bit word ?
And how top start reading ? Is this function"uint8_t nrf_spi_rxd_get...
I am seriously stuck on a project. Expert help is needed.
The goal is to create a modified dfu ble bootloader with the following properties:
Target: NRF51DK (nrf51822...