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...
When attempting to connect to an MQTT broker set up on my local machine using the mqtt simple sample code, I get this output:
What does this error code mean? Also, is...
Hi. We are using the nRF52 sdk v12.1 with S132 v3.0.0 on a nRF52832. Once in a while (could be after running a few hours, could be after running a week) the application ends...
Where can I find the right documentation to start understanding the Nordic Thingy FW? Do we have any design document for this?
I need to develop my own application on the...
Hello,
I'm looking for some general guidance on the following application:
1 nRF52840 based gateway to cloud, on power supply
a few hundred nRF52832 sensor nodes,...
We want to use app_timer_create/app_timer_start to create a periodic timer, but noticed that there were a few seconds missing. After printing out each tick, we see that there...
I can't open my tickets since it's changed into private ticket by your engineer.How can I do?
My ticket' name is"about service change can't receive BLE_GATTS_EVT_WRITE"...
Hi,
I will work with nRF51822. I installed all software tools and I connect target device with debugger.
Should I connect nRF51822 with power like battery (because I will...
I used SES and wrote a printf message at main entrance: when I run in nRF Connect I can see the message that I wrote just after I press the RESET button (OK). Still, as I...
Hi,
What is the GPIO pin state during reset, and during startup ? I have seen that it is a high impedance floating input. How much is the value of this impedance? Can I...
Hello,
We're beginning FCC certification next week and I've been creating radio test and DTM versions of firmware that can run on our hardware for the lab. Everything looks...
I am using the nRF51422 for BLE data. My antenna matching network is this:
However, compared to the DK I am getting lower gain (DK gives -50, my PCB gives -64). I have...
Hi,
I want to load both "SPM" and "http_update_ota" code separately to the nRF9160.
For that as suggested in " http://developer.nordicsemi.com/nRF_Connect_SDK/doc/0.4...
I've been trying to configure a second UART for use on the nRF9160 DK. However, I'm having some issues getting anything to send over the UART. I feel like I'm missing something...
