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...
Hey, I want to save stuff to flash under the same id and key which should be no problem as shown in the documentation. But when I save it and retrieve the data only the last...
hi,
i am newer here.
i am confused in nrf_gpio_pin_sense_t i.e. NOSENSE, HIGH_SENSE, LOW_SENSE.
where is use of this feature ?
why it is required instead gpio_input...
In my application many nodes (acting as centrals) will start simultaneously, as they have common power supply. I am using s132 SoftDevice (4.0). Is the frequency hoping sequence...
Hi experts,
Can we add capacitor to the swdio pin to improve ESD capacity?
We have make some sample that add 1uF capacitor to the swdio, indeed have improved the ESD capacity...
hello there i want to use c++ library in nrf51dk project. i am using sdk12.
i change main.c to main.cpp
but i am getting error. uart_original.rar
i have uploaded code...
We are planning to use two modules at the same time one for esb and one for standard btle, because the esb is time critical and timeslot api seems to be to low priority. Do...
Hi,
I am using NRF52 DK board. I use nrfjprog under windows to flash controller. But i want to flash under ubuntu. I searched but i found one .rar file.i extracted but there...
This is probably a sign that I should upgrade to nRF52 (with a built-in FPU) but, in the meantime, does anybody have an example of the libfixmath library integrated with an...
Hi everyone,
i have J TAG V8 and when i am using this with keil software and try to debugging then its showing-
"The connected emulator can not be used with this software...
I found in documentation that the time to write to flash is between 67.5 and 338 µs.
What conditions influence this time?
-How to avoid long writing times?
I have four wearable devices.
Each of them have 50HZ sample rate, and data length is 20Byte.
I don't want to lost any data, so I want to use indication instead of notification...
