I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
NCS version : v2.6.1
target board: nrf5340dk_nrf5340_cpuapp_ns
sample project: "ncs\v2.6.1\zephyr\samples\application_development\sysbuild\with_mcuboot"
I use this command...
app and dfu works after I program the merged hex from bootloader_setting, bootloader, softdevice, app using Program application tab, but if I erase chip, reprogram it with...
Hello,
Because i want to connect more than two headset to one gateway, so i modify the prj.conf as follow
CONFIG_AUDIO_DEV =2
CONFIG_BT_MAX_CONN =4
CONFIG_BT_MAX_PAIRED...
Hey all,
Quick question. If we want to send BLE advertisements, beacons, for just 1-2 seconds, then shutdown into SYSTEM_OFF mode, could we initialize the BLE soft device...
I using XIAO nrf52840. https://wiki.seeedstudio.com/XIAO_BLE/
I am developing a BLE peripheral device using the nRF52840. This device is designed to connect with a specific...
Hi,
Could you please advise, am designing a device using the nrf52dk-52832 in nrf sdk connect 2.5.1 and toolchain 2.5.2 that reads the previously adquired samples data from...
Hello,
We decided to use the 802540 battery for our application with the nPM1300. To get a good estimate of the state of charge (SOC), we did the very lengthy battery profiling...
Greetings
I am looking for a conceptual guide to adding my own services to the BLE stack, with Zephyr. Is there any documentation or guide for this? I am working on the...
Hello, I am having an issue with DSP library basicmath where the source file does not seem to be included in the build and I am getting error undefined reference to `zdsp_mult_f32...
Hi,
I am using nrf5340 with v2.5.1 toolchain
I have an out-of-tree driver, where i want to include adc_context.h from and have added:
target_include_directories...
Hi I'm trying estimate the nRF52840s current with the Online Power profiler, the data seemed a bit unclear to me.
I have used the following setting: Chip nFR53840 Voltage...
Hello,
I am trying to do CE, FCC RF test.
I am using nRF52833 and nRF5_SDK_17.0.2_d674dde.
I want DTM to work. DTM is using example source in SDK. What changed in...
I am trying to develop a Consumer Control device. I found the "nrf51_ble_app_hids_kbd_consumercontrol-SDK15" example code on Devzone. But this example code can only do 8 Consumer...
Hi, I have been using nrf52840(my application) and nrf9160(Serial LTE Modem : SLM , which modem firmware was ver1.3.6 and application firmware from switch science )
First...
I tested the matter LOCK sample, how to disconnect the Bluetooth connection immediately after matter commissioning is completed, the log is as follows. thanks.
