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 am trying to print out a string debugging information. But got below error.
No problem change to printf or cast char array name to uint32_t. See first 2 sentence.
char...
I have python 2 and 3 on my Macbook. I can't run nrfutil which I believe is due to the python installation. I need to keep python 3 for other utilities. I would like to run...
Hello!
We're building radio modules with the nRF52840, one with the a frontend amplifier and one without. Both are exhibiting excessive 2nd and 3rd harmonic emissions. ...
Currently, we are testing that 「buttonless DFU + Bonding valid」 in our App.
But After performing F / W Update with DFU, other BLE Service became invisible.(※2)
So, as...
Hi,
I am currently in an attempt of revising an old board, it uses an ANT+ module which is soon going to be out of production. With the nRF52840, if I were to use the ANT...
Dear Sir,
I had a project is lighting the LED matrix, we choose the LED IC is TLC5958 and MCU is using nRF52832.
Now, we have a question is how to change the GPIO output...
Hello all,
I used SDK15 and nRF52840 DK made a long range advertising and long range connected.
I modified the ble_app_uart_c and ble_app_uart example, the long range...
Hi
i am using the sdk 14.0
i am working with sph0645 i2s microphone , i have tested the microphone and it is working fine with the nrf 52 on 912600 baud rate. Now i wan...
Next week, we have a meeting with our customer to give them an overview on all our BLE solutions (they are interested in module) but I also want to give them an overview on...
nrf52832, SDK 15.0.0
I develop the project based on the example 'ble_app_buttonless_dfu'
But when I want to add some peripherals, such as SAADC, SPI and PPI, and some...
I'm seeing strange corruption in the nrf52840 virtual COM/UART (the one that goes through USB and the JLink interface MCU).
The nrf52840 is running the UART serialization...
I had setup nRF sniffer with below software and hardware, but the Wireshark seen unable capture BLE data.
nRF Sniffer software nrf_sniffer_2.0.0-beta-1_51296aa.zip ...
I would like to use the time library to manage multiple times with different timezones in my embedded system.
I have already seen the ble_app_cts_c example and the nrf5...
