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 Support team,
According our spec 52832 rx is about 5.4mA, but actually i measured our example, it is about 7.1mA, may i ask where is the gap? so i suspect it is because...
Hi,
I'm developing an application based on the nRF52832 development kit. It is nrf52dk_nrf52832(PCA10040). I have used nRF Connect SDK (3.0.0) for the project development...
Hello,
I am trying to interface the ble_hid_keyboard with uart using nrf52840-Dk in SDK 17.0.2. But not able to print data from uart and even not able to connect hid keyboard...
Hi,
I have an nRF9160 and working am off of the AWS_IOT sample code. When I start the device, the error messages occur 2-3 times and then the device connects successfully...
Hi,
I'm working on a custom board with a nrf9160 µC. This board is powered by a battery and a supercapacitor and my job is to assure the autonomy of the battery.
I...
I am using 9160 to develop a product for customers, which saves the date, time and other settings in NVS. Yesterday, I encountered a problem that the product could not start...
Hi Nordic team,
Is there any sample project which implements DFU controller in nRF52832 central device? I need to update peripheral device firmware from central device...
We are using SDK 17.1.0 with SoC nRF52832 and Soft Device S132.
We want to configure the soft device to enable the TX and RX GPIOs to talk to off-chip power amplifier. Looks...
Hello there. I would like to know how can I read the counter value right before resetting WDT directly from the register.
That means right before calling:
I want to know...
Hello,
I'm developing a NB-IOT application on the nRF9160-DK based on the 2.6.1-rc1 SDK. I'm experiencing a bug where the firmware gets stuck while serving a send() request...
I am successfully able to use pc-ble-driver on nRF52840 Preview DK using latest connectivity firmware loaded by nRF Connect.
I want to use the same functionality on FENSTEL...
I am using the nRF52840 (with SDKv17.0.2 + s140_7.2.0) and made a custom FW based on the ble_app_hrs example. My custom HW has a 128MB MX66U1G45G flash memory chip.
The...
Hello,
I wanted to build a temperature and humidity sensor application for my custom board using NRF5340 SPI master board. The sensor we are using here is "SHTC3" please...
I use Keil to build nRF5_SDK_16.0.0\examples\dfu\secure_bootloader\pca10040_s132_ble\arm5_no_packs. But it failed to build with undefined symbol nrf52_handle_approtect. And...
I was looking through the quadrature decoder example for the nRF52 and I was having trouble getting an insight into how the three libraries (driver, driver legacy, and HAL...
