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 all, We use a kind of widely used nrf24l01 module in our product developement.It use the nodic's reference design of nrf24l01 with an external pa/lna.TXEN and RXEN of the...
Hello! I have an Android phone and nRF52840 as a peripheral. Now I want the peripheral to have a whitelist with exactly 1 peer with whitelist being dropped at button press...
I read in many blogs that I can use access layer directly without models to communicate .
So access layer is under mesh?
means that can i send data to remote node(out...
Hello,
I have a NUS link between 2 nRF52840 (several systems like that) that I want to secure without human intervention (a kind of pre shared keys in code).
What is the...
Hello,
I a developing a system which consists of many BLE beacons over a given area and communicated between them forming a mesh. I would like to know whether nRF51822 can...
Hi
I want to struct ble multi link among several nrf52840
I merged ble_app_uart_c and ble_app_multilink_central but, It doesn't work.
The central is flashed with...
Hi,
I am trying to understand the design of the battery monitoring circuit of the Thingy52. I have few quiries:
1) The source resistor of the resistor divider network...
Probably, I am having a problem with finding the proper query phrase.
I have a sensor (Hall-type sensor) that generates pulses, and I need to count the total number of pulses...
Hello,
I am using
nordic nrf52 SDK version : v15.2.0
Freertos version : V10.0.1
The system has hardware timer which runs at 6.4KHz. For every 1.6 KHz, from timercallback...
Hi
AfterI updated the nrf_Connect v2.02 IOS version. I found that disconnect will happen when key in the bonding code "123456".
And my code never has this issus with previous...
Hello to all,
I am using nRF52840 DK with SDK15.0 and SES. To communicate with MS5540C I have used SPI master sample example but getting some incorrect results.
Almost...
I get a lot of error after just adding usbd source code into makefile. error: unknown type name 'NRF_USBD_Type', error: 'USBD_INTEN_ENDISOIN_Msk' undeclared here (not in a...
Hi, I am new to Nordic. We are using NRF51822 chip with S120 version of softdevice. Recently we made few changes in SDK code running on nRF51 controller chip. Is there any...
Hi, I'm using the 15.3 SDK ble_app_beacon example and want to add scan response data.
I've found some examples in the devzone, but not matching the example code in this...
