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 use NRF52840 Evaluation Kit.
I want to use TIMER with nrf_drv_timer. However, I get an error and cannot use it. The error is the following part of "nrfx_timer.h".
...
Hi ,
I'm writing some code of mine , declaration functions all well defined and compilation no error or warning but only this 1 error at end of my code.
I'm using SDK...
To whom it may concern,
I am testing SPI Slave and I have an issue that I am not able to change the pin numbers in the peripheral configuration for SPIS0 and 1.
It works...
Hello,
we have developed a solar powered LED module with an additional battery. It is based on the nrf52832. The WDT and TWI is mainly used and for BLE the soft device...
Hi everybody,
I am developing a wireless interface on an nRF52840 chip (Laird BL654) and I do have a problem with the SDK integration in Keil uVision.When "Manag(ing) the...
Hi,
i have PCA10059 dongle board. when i want run my program on it, fds_init return FDS_ERR_NO_PAGES. and also in nrf connect i can see range of different application...
Due to the rewrite of the DSM persistent storage layer the DSM_VIRTUAL_ADDR_MAX define can no longer be set to 0. This has changed since 3.2.0 where it could be 0.
During...
I ask you for help with programming Bluetooth module u-blox ANNA-B112. It is based on nRF52832. I have already installed Keil MDK5 with nRF52832_xxAB package, soldered the...
I'm trying to use sine function such as: S = sin(0.8)
But variable S come to zero after this code. Go to Debug mode and add a break point to view the change of variable...
Hi,
can we do the mathematical operations (like math.sqrt ) using nRF51822 ? Since, our project requires many simple mathematical operations, we need to decide whether...
Hi,
During the initialization of the SIM I have this message:
There was an error submitting your user information. This SIM cannot be activated. I am from Israel. What...
Hi All,
I have the strange issue with scanning. I have the project losely based on examples where I created peripheral adevrtising with 1s interval. This sends the custom...
