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 everyone.
I want to use the nRF8001 in a low power application and therefore I want to save as much energy as possible.
I read in other discussions that the nRFgo studio...
Hello,
We are mocking our code but we are having difficulties eliminating the dependency of other files the mocked file includes due to the mocked header including the...
Good morning,
I am running the UART example from SDK 14.2 (example/ble_peripheral/ble_app_uart) on a brand-new NRF52832 development kit (PCA10040).
On the master side...
Hello.
I try to periodically updated data in my characteristic that way:
As soon as I connected via "nRF Connect", function " sd_ble_gatts_hvx" returns: NRF_ERROR_SVC_HANDLER_MISSING...
Hi all ,
I have SHT31 and I can read Temperature and Humidity value by NRF52 . But I want to create 1 service for display it on smart phone with the RH (name: Humidity,...
Hello,
I would like to measure the voltage of circuit GND by using the embeded SAADC of nRF52832.
But unfortunately I have no vacancy of GPIO to connect GND.
Could you...
I have set up a nrf52840 kit to upload data to nrf cloud via bluetooth but the data on the cloud is displayed as a hexadecimal number(1,2,3,4,5,6,7,8,9,A,B......) I want to...
I am not seeing a transition to BLE_ADV_EVT_SLOW. The transition I see goes from FAST to idle, without a transition to slow, from the configuration I don't expect to be in...
I am trying to implement a timer using nrf_drv_timer.h and nrf_timer.h, however, the handler never gets called.
I first create a timer, then define a timer handler and finally...
Hello everyone! I am trying to program a nrf52832 sparkfun board through a nRF52DK. I have already gone through the pin connection guide succesfully and I can flash succesfully...
Hi there,
I could program the HEX file to nRF51DK via nRFgo studio successfully and the board seems to work fine as well. And then, I try to read back the HEX file from...
I am just wondering if it is possible to use the 52840's USB interface to create an R/NDIS type interface . The intention is to maybe create a WIFI/Cellular based Network...
Hi,
I am testing ble_app_att_mtu_throughput in SDK 14.2.0 between two nrf52832 DK board. One is act as a central and other one peripheral. I am placing these two boards...
Not a question, just to tell you that in ble_gatts_attr_t Struct Reference, documentation of « uint8_t* ble_gatts_attr_t::p_value », a « @ref » Doxygen markup has been produced