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..
I am working nrf52832 with accelerometer sensor, I want to store the data about 100hz for 1sec in flash, I want to store it an array and send it over ble how to do...
- I used https://github.com/NordicSemiconductor/Android-BLE-Library version 2.1.1 and https://github.com/NordicSemiconductor/Android-Scanner-Compat-Library to code My Ble...
We plan to develop a temperature and humidity sensor based on nRF52832, which needs to evaluate power consumption to confirm battery selection.
are there any similar data...
Hi,
I am working on internal flash nRF52832 merged with twi sensor, my sensor function will return a string . How to assign the string to the my_data.p_data . i am getting...
I'm trying to optimize an Azure project based on the Asset Tracker example. I was recommended setting CONFIG_SERIAL=n in both the Application FW and SPM. However when I add...
Hi,
I based a new device design on the Thingy91 antenna and tuning circuitry and noticing that the current consumption of the two QM12038's negates the amazing power efficiency...
1.In docs I see: “This example requires one of the following SoftDevices: S112, S132, S140”. What is the reason not to support S113?
2.Is there a way to accomplish functionality...
The Cloud_client sample application does not work in this version.
The connection with the nRF Cloud is disconnected immediately:
I: Network registration status: Connected...
Hi, I am trying to add a secure button less OTA service in my application.
1-I have successfully added service but showing the following error.(I can see OTA service in...
Hi,
We have been working with a Zigbee coordinator based on nRF52840 with nRF5_SDK_for_Thread_and_Zigbee_v4.0.0_dc7186b, Softdevice and FreeRTOS.
Zigbee task defines a...
Hi,
Is it possible to add a custom characteristic to a standard BLE service? I wish to add a CO monitor with ESS (0x 181A ). If yes, how to add a 128 bit UUID with this...
Hello,
I want to output in one pin 400kHz and inverse of 400kHz in the other pin. I have somehow managed to output the the 400kHz but haven't managed to output its inverse...
I'm trying to implement advertising only on a single channel
Here is my initiation function
but ble_advertising_init is returning err_code 0x00000006
I believe it...
Hi everyone,
I have come across the FPU_FFT example project for nRF52840. Just for curiosity - I'm HW-guy - I'd like to evaluate FPU's performance - to see how many instructions...
