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...
Hi There,
I'm working with E-Ink display connected with nRF52 chip. I have a base library to display images and works very well.
Now I'm trying to use GFX library...
When creating my own project in Keil for the NRF51. I get this error when including files that include nrf.h. I do not have this problem in the example projects with the NRF51...
Hello, I've been trying to setup TWI with 3 sensors and so far I had no luck (custom board). Here's the situation: 1) 3 sensors are connected to nrf52820, SCL to P0.15, SDA...
I am a beginner who just received nRF52840 and working through Getting started with nRF Connect SDK (nRF52 Series). Everything worked fine until I got to chapter "Testing...
Hi all,
I have a wireless configuration that includes 5 peripheral devices (nRF52840 custom boards) and one central device (tablet) with a custom app.
All peripherals...
HI all,
Recenly, I am playing with nrf5340-DK to do some experiments. I read the datasheet of nrf5340 and found out that L31 is the pin for single-ended antenna connection...
Hello,
I received the Thingy not too long ago. Now that I've run some samples, it's time to use the NB network. I flash the AT_cmd sample. I open LTE Link Monitor to see...
I am designing a custom board for the NRF9160 following the 91 thingy as reference.
I will operate only in US and Canada. I noticed that multiple matching circuits have...
Using ncs v1.4.0, modem FW v1.2.3, SES v5.10d. The code is based on the Asset Tracker, LTE with PSM, motion-activated GPS, using MQTT to send GPS location to backend.
prj...
We are trying to upload Bootloader only, but it fails with 'Error 5: FW version check failed'. Please view log / pictures.
We have tried to change the bootloader version...
Hello,
there is the following page:
https://github.com/NordicSemiconductor/IOS-Pods-DFU-Library/blob/master/documentation.md
Known issues
Since iOS 13.3 (?)...
Hi all. I've seen a few posts about this, but none of them seem to have the knowledge I'm looking for. I am helping plan a device that has two units and will connect to a...
Hi, guys.
I'm using nRF52 DK (PCA10040) and 16x2 LCD ( ST7032i ). I would like to create a custom icon (e.g. degree Celsus ℃). Here is my code. It doesn't print anything...
Hi,
I would like a solution for encrypted OTA firmware update and I just realized that the Secure DFU doesn't enrypt the firmware image just sign it.
I find this Q&A:...
