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...
Dear DevZone support team
I'm facing the following problem: My application uses the Zephyr's BLE stack and basically does not much beside parsing JSON-messages received...
Hi,
I tried to implement PPI for a very timing sensitive application. The sample PPI_trace uses the RTC but it is too slow for my application so I'd want ot use timer0...
Hello,
We would like to use BLE to transmit a lossy data stream at high data rate. Looks like Isochronous channel is the best choice. How's the Isochronous channel is...
Hello
We need to scan for more than 8 devices, so we can't use witelist directly.
We have an idea to use presaved IRK and mac-addresses and use scanning without witelist...
Hi,
I work on an AOA projet and i have a problem.
I have already made a transmitter (with an nRF52833) and a receiver (also nRF52833) and i can see the CTE send by my...
I need to add a custom BLE service with over 20 custom characteristics. During the gap nitialization step, I set the BLE security mode and security level like this:
sec_mode...
Hi ,
Am following the below link https://devzone.nordicsemi.com/f/nordic-q-a/83402/ncs1-8-0-52840-mcuboot-spi-external-flash-can-t-build-pass ,
am able to build it for...
hello,
i am using nrf52832 with accelarometer i want to put my board in shutdown for current consumption for that i am giving this command sd_power_system_off(); whenever...
I need to be able to change the device name the SoftDevice uses AFTER the soft device is up and running. To change the device name, To do this I use
errorCode = sd_ble_gap_device_name_set...
Hi,
I currently have a macro in the nRF Connect Mobile app (Android) that displays RSSI every time I receive a temperature signal. I am saving the logged temperature and...
It seems that not all UICR registers are erased on this nRF52840 chip
nrfjprog -f nrf52 --recover
Just make sure one more time:
nrfjprog -f nrf52 --eraseuicr
nrfjprog...
Hi,
I am using nRF Connect SDK 1.9.1. Need to configure 2 UARTS one for debug messages and the other to connect with host CPU. Please help me with the following:
1. Can...
Dear support
I am developing my application based on central_multilink example and have a few questions:
1. in call back function connected() , I wonder why conn_connecting...
Hi,
I am trying to perform the read characteristic values from the nRF52840 DK to Android studio (Java) to a TextView. I have looked at the Android Blinky example but in...
Hello,
I am using an nRF52840 as a central BLE gateway with nRF connect SDK 1.8.0. I was looking for software changes to increase the scanning range. So far I've found the...
