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...
Hello,
I have a PWM code that works as a peripheral application on my nRF52 DK, but now I want to set it to be controlled via android phone app. I have nrf connect on my...
Hello,
I'm a newbie to BLE and the Keil uvision IDE. I'm using a nrf51422_xxac_s110 chip, The version of the IDE I'm using is 5.28.0.0. When I add the fds.c file, into the...
Security of data passing in BLE communication Hello I am developing based on "multirole lesc" of BLE sample project. What is worrisome about the project is the "security_req_t...
I don't program the BLE part myself but I must know from a design-level.
As I understand, a BLE scanning unit must connect within less then 60us after advertisement.
If...
Hello.
In according to this tutoraial: https://www.novelbits.io/bluetooth-mesh-tutorial-part-5/
I wonder if it is possible to replace ,one of these two nrf52840 DKs...
Hi,
Has anyone had success going from the Arduino bootloader back to J - link bootloader?
CONTEXT: I purchased 5 nrf52832 modules, and followed the posted guide to burn...
Hi, I would like to power my development board from the provided coin cell. I removed the plastic between battery and negative contact point. I put VDD position on power source...
Hello. Can you tell me which project can I use as a template from nrf 5 SDK with basic RX/TX data send/receive payloads API? Want to build custom simple-structure mesh, with...
I want to use some functionalities of Zephry OS. Example https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.0.0/zephyr/samples/gui/lvgl/README.html .
I also want to...
I am rebuilding my computer after experiencing a corrupt boot sector and am reinstalling all my apps. I am moving from Kiel 4 to Kiel 5. My project loads, but it says that...
Our manufacturing supplier provided me a log file from the nrf Connect for Desktop Application that shows repeatedly unexpected disconnects when nrf Connect opens a second...
Hi,
Do you have a sample ANT radar profile example with all the pages defined, similar to ant_hrm.h in SDK 15.3 components/ant/ant_profiles/ant_hrm/pages/?
Thanks,
Abid...
Hi Admin,
I just bought development board Thingy 52 from Digikey. I coudn't find design files that consist of hardware design in Nordic website. Could you advise for this...
Hello,
I am currently tweaking the Thingy:91 to run a stripped down version of my custom application. I have been able to flash the device with the Thingy:91's sample at_client...
hi,
we're using a Adafruit nrf52832 board for a building a ble keyboard . w're able to pair to two central devices and appear to them as a keyboard , but for example : we...
