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,
So, we have got some requirements and would love to hear some suggestions or guidelines in choosing the a Nordic module and protocols that would get the stuff done....
The Bluetooth specification states:
If more than one Characteristic Presentation Format declarations exist, in a characteristic definition, then a Characteristic Aggregate...
Hello,
we want to add to our in-production solution the option do DFU OTA.
So we followed this step-by-step guide: https://devzone.nordicsemi.com/b/blog/posts/getting...
I'm curious about the CPU lockup reset. We have a long term test with 9 units running identical firmware on identical hardware; line powered, running continuously for 6 months...
Hello,
I have a problem with turning on notification on a characteristic so I can start receiving data.
I am using a nRf51 dongle as a client device, using softdevice...
Hi, I would like to establish services with following security permissions in a Bluetooth 5 peripheral: Currently I use the NRF52-DK and SDK 15.2 Service A: Security level...
I'm trying to adapt the secure_bootloader example for our custom board with a nRF52832 QFAB with 32kB RAM and 256kB Flash, following the information in this thread:
https...
I'm building a project on top of cli examples:
<SDK>\examples\peripheral\cli
<SDK>\examples\ble_central_and_peripheral\experimental\ble_app_interactive
My goal is...
Hello
I need to setup the the PWM peripheral@ 8MHz with one selectet Channel in DMA mode. For development, I am using the NRF52840 Preview Dev Kit PCA10056 (Q1AAAA). I did...
I have one question, if Nordic can give some confirmation, that Nordic chips can be used together
with Murata XRCGB32M000F1H00R0.
Customer just asks for that I don’t...
Hi,
In my project NRF51422 need to communicate with two peripherals which are supporting only UART communication.
please help me if there is any possibility.
Thanks...
I'm use the app_button lib to deal with button event ,things go well, I assign the push ,release and long push event to button event .
But there came a situation,while the...
I have noticed that when I run in release mode, turn WDT on, write bonding info, clear bonding info, and reset, my application suddenly uses 2mA more and takes 5 minutes ...
Hi all:
My iOS app use iOSDFULibrary to update my ble.But when the device enter into DFU mode ,it disconnected for a while.
This is my log:
2018-11-27 21:00:11.122263...
