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...
Good day!
Thank you for your consideration of my problem! The system is an nRF52832 utilized as a motor driver of a small 2W high rpm maxon motor. The system performs as...
Hello,
I am trying to evaluate the nRF52 dev kit. The "getting started" HTML documentation has a link for "Setting up the development kit". This links loads "Oops (400)...
Despite all the questions on this forum for how to change PWM frequency on the fly, I found no mention of anyone using "WaveForm" mode. Perhaps it's new? There are also no...
Dear all
I have a service with an UUID. Let's say 11111111-2222-3333-4444-555555555555
I also have two characteristics that belong to this service:
66666666-7777...
I am using an nRF52 DK to build a prototype for a product. The device needs to have a connectable advertisement (as peripheral with multiples connections possible) and at...
Hello, thanks for reviewing this. I am trying to install and run Zephyr on the nRF52840 module that is on-board the nRF91 DK board. I have gone through the setup process and...
I'm doing this:
1. Start a scan, with these parameters:
#define SCAN_INTERVAL 0x00A0 /**< Determines scan interval in units of 0.625 millisecond. */ #define SCAN_WINDOW...
Hi
We are evaluating the nRF52832 for use in a medical application, I have modified the example ble_app_cgms_pca10040 to drive our evaluation hw. We are using the Nordic...
I am trying to interface nRF52-DK (PCA10040) with an external MCU (PIC24FJ128GC010) using UART. When trying out the ble_app_uart example in the SDK version nRF5_SDK_15.2.0_9412b96...
Hello,
Will the new nRF Connect SDK that will replace the SoftDevie let us modify the BLE Link Layer specifications? Will the Nordic BLE LL implementation be open source...
Hi,
I'm using SEGGER Embedded Studio in order to build and flash my applications on nRF52840 DK.
I have observed the following behavior:
I try flash the application...
When should I use nrf_calloc (malloc) instead of static declared variable on nrf52840 chip. I mean it has a huge ram memory for as much static declared variables as I would...
I set sd_app_evt_wait in vPortSuppressTicksAndSleep and got the average current. is 0.7ma, Using Other tool measurement , this demo will suddenly increase to a few dozen mA...
