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...
I'm looking at the feasibility of using extended and/or periodic advertisements from an NRF52 to be received by a cell phone. I've used nRF Connect on a couple slightly older...
We have a multi protocol project THREAD and BLE. It currently uses the BLE DFU for OTA updates. We would like to add the THREAD DFU so we can use either transport mechanism...
Hi -
I have 2 questions:
1) I am looking for an example application that demonstrates acquiring acceleration data at high ODR of 5kHz from LIS3DH sensor using nRF52832...
Hi
I had got some problem with fds_record_write(). I found that I couldn't get the correct data from flash without waiting fds_evt_handler( ) that was called after calling...
Hi, I would like to test interconnection between an android phone with nRF Connect (central) and nRF52840 DK (peripherial) in long range mode. My question are:
Does it...
Hi,
I have a problem when i try a dfu on my device for the first time.
To explain, my device is flashed the first time with NRFJPROG, and i flash the SD+BOOT+APP.
So...
Hi,
I have used nRF5_SDK_15.3.0 .
I have tested secure_bootloader example code with Adafruit Feather nRF52 Bluefruit LE - nRF52832 Board . And its advertising and work...
Hi,
I have an application that uses the nrfx_saadc driver to measure voltages. One init-function that sets up the saadc and two channels, and one sample-function that calls...
We are more or less successfully using libUARTE for talking to an STM32 at 1M Baud. It was a long and tedious road to get there, but it looks like we finally got there
The...
Hi,
I have two peripheral devices both advertise the same device name 'R' but have different characteristics. I am scanning and connecting to one of them via central device...
Hello.
During customizing a DFU, but I'm having trouble adding function [nrf_dfu_transports_close] in function [on_ctrl_pt_write].
I'm not now fetching all the c files...
Hello,
IDE: Keil Board: PCA10040 nRF5238 DK SDK: v16.0
I am looking for a BLE peripheral example that connect to an iPhone. As a first step, I would simply like to evaluate...
I have a button matrix (2 rows, multiple columns) connected to an nRF52840. After driving the two row pins appropriately, the first column pin I read (regardless of actual...