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 am encountering a problem with GPIOTE PORT events on the NRF51422 in a custom design. The chip occasionally seems to be able to get into a state in which the registers are...
Hello Guys,
I successfully used ble_hids_mouse and ble_hids_keyboard on my hardware but my final solution is a mouse + keyboard combo.
I merged the mouse and keyboard...
Hello,
I want to secure a link between 2 NRF51 (man in the middle and privacy with AES).
How to do that ? (I can use a static key in this application)
Most of the...
I want to create a single hex file that I can use to program the SD, DFU, and my application. I know I can use mergehex.exe to merge these files. To make it so that the bootloader...
Can anyone pls explain what is relation between advertising interval and advertising timeout..
Consider now i am setting advertising interval 1 second how i can prove or...
Hi Nordic,
I have got two PCA10028 boards and have a problem starting BLE on both.
I use latest Keil (5.16) and try to start ble_app_uart_s110_pca10028/ble_app_uart_s130_pca10028...
Hi
When implementing some characteristic handling i noticed, that in the newer softdevices the function "sd_ble_gatts_value_set" has changed to the following declaration...
Hi all,
I need to be able to check the matching networks on a design using the nRF51 series chip. My understanding of the procedure is,
Set up the board, enclosure...
I am having a small doubt in example UART Service. while writing characteristics value from master control panel to nrf51 chip, the stack generating BLE_GATTS_EVT_WRITE to...
Hello,there is a way that can automatically confirm receipt of the packet from the server,without to call evrey time sd_ble_gattc_hv_confirm() after each received indication...
Hi,
I'm using 51822 to control GSM module via UART (57600, no flow control).
My device is USB and battery powered.
After I program the chip I HAVE to disconnect all the...
Hi Team Nordic,
Any plans on supporting an official build-setup via Xcode on mac?
Since it's basically more about a way to quickly "git clone" a project + sdk's & softdevice...
I'm trying to upload ble_app_beacon example from SDK 9.0.0 to a beacon board (PCA20006) after successfully uploading it to a DK board (PCA10028).
My first step was to connect...
I have created a customized Services according to nAN36 Document.
SDK using 8.0
Stack S110 8.0
DEV kit PCA10028 nRF51.
J-LInk RTT DEbugger
When the function...
