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...
Hello Team
I am facing one problem ,regarding DFU service
I did my first DFU experiment on Nov 2017..i did as per below guidelines
devzone.nordicsemi.com/.../
It...
I followed the this tutorial and this tutorial step by step. And I have accomplished all the steps successfully. But the problem is, my .c and .h files(such as main.c) do...
We are encountering problems with the nRF52 resetting during ESD testing. We have a reset button external to the chip, the trace to which we suspect is acting as a receiving...
Hi again,
I have advertising up and runnnig and can connect to my server through the nrfConnect app.
However after ~39-40 sec(every time) the connection is lost with errorcode...
hello,
my application involves sd132 2.0.0, sdk11.0, nrf52832.
i am using app_gpiote, sd and timer(as mentioned in this ).
i am using gpiote to detect a tamper.
the...
Hi alll,
I wanted to use a encoder for measuring rotary motions. so i kept a magnetic encoder named AS5601 which uses I2C communication and i have never done anything on...
Hi, everyone,
We are developing the project on nrf52832 where this device "plays" both central and peripheral roles.
In the central role the device activates the scanning...
Hi,
In my application I am creating one more custom service using UART service. I have created new files named ble_nus1.c and ble_nus1.h. In these files I have changed...
I have been having issues with our Flash component ( S25FL256S ) over SPI with the nRF52832 using easyDMA. When reading out values of a peripheral, the returned contents are...
Hello,
I am working on the project as CDC Example.
When I make CDC communication with the nRF52840 in my Windows Tool,
We confirmed that communication was not possible...
hi,
My program used total 10 app_timers, like this APP_TIMER_DEF(connect_timer_id); APP_TIMER_DEF(scan_timer_id); APP_TIMER_DEF(standby_timer_id);
I don't know how to...
Am currently using Apache Mynewt.
BLE Mesh works great when utilising the provided samples.
However, because of lack of documentation / my lack of knowledge am unable...
I'am using notify continues to send large amounts of data,i want to know that notify whether can guarantee package serial number not random sequence and ensure that each data...
Once the Nexus 7 wakes up from deep sleep, we are unable to get scanned devices on Nexus 7.
Turning off the Bluetooth and turning it on again does show the devices. Is...
For DFU and BLE application coexistence, Can I add application services into BOOTLOAD for routine BLE application with DFU? instead of the way that reset from BLE application...
