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...
Is it possible to change the radio frequency while the radio is running? Our group wants to transmit packets at various frequencies as quickly as possible.
Hi,
I want to send keyboard keys to change tab i.e CTRL+ALT+TAB, how can I send these keys from the Bluetooth HID keyboard to change tabs on my PC?
Thanks
Hello everyone,
I work with the Light_switch mesh example and I would like to send a byte from the client to the server. How can I do this? In the client board, which function...
when I build a demo project, got those errors, how to fix them?
.\Objects\ble_app_templete_s132.axf: Error: L6218E: Undefined symbol __start_log_const_data (referred from...
Hi, After upgrading from SDK 16 to SDK 17 my device started to assert on app_timer2.c line 298:
This happens way more often when running without debugger/RTT.
I checked...
Background:
First, let me state that this is a huge amount of contradictory information on this forum due to the UICR registers behaving differently for each generation...
Hello,
I am designing a test jig with embedded gang programmer (10 targets) for our NRF52840 module and i have issue with reliable target acquisition, i would like to know...
I’m very familiar with the HID keyboard and mouse profile and have built products using it but need direction on how to replicate the functionality of a up/down/left/right...
Hello
I've seen that this topic already has been discussed several times but i couldn't find an answer.
Am I right when I say, there is no PC application for logging received...
Hello,
I'm trying on the ESB examples in nRF Connect SDK v1.3.1, but it seems the Zephyr is crashing during the call k_sleep (l. 54). The following code I isolate the "k_sleep...
Hi All.
I am writing an application that has several notifiable characteristics, and up until now they have been sending data just fine, however the other day I was cleaning...
Dear all,
I'm currently implementing the 802.15.4 stack using the precompiled library inside SDK 17.00. I'm trying to send data every tot (10/20/30) ms. What I currently...
Hi,
On our custom nRF52840 board, we have an external LTE-M modem.
We would like to eventually use this modem to send data over the network, including LwM2M. What is the...
Hi i am debugging my code and i don't understand why i end up in a "fatal error" even if my function is returning NRF_SUCCESS.
My errors are so defined:
and in my...
I am in the process of evaluating the NRF52840dk and the NRF52840 dongle. I would like to have a program that will show, or record, RSSI data between units, or a unit and...