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,
I saw this statement about current time service on a previous ticket and trying to find out if it is true: "IOS doesn't allow access to the characteristic unless...
Hi,
I would like to ask a question about the estimation of battery life regarding to advertisement period and idle & disconnection period. In my ble_app_uart example, peripheral...
Hi Nordic Team,
I am trying DFU upgrade in application over serial transport.
Same as mentioned in nRF_SDK_15.3.0_background_dfu_3 example I got from one of the discussion...
I am trying to make the custom_board.h header file but I have some questions. I am using the PCA10040.h as a starting point. However I am confused on some of the things included...
Dear all, Last week i have a problem, my device ( mesh server ) could not publish message to Gateway (client). After some hours debuging, I releazied root cause of problems...
Hello,
I'm developing custom firmware with Keil 5.31 and SDK 17.0.0. I have to configure the SDK and so I started to edit sdk_config.h, but it's quite hard to read the whole...
Hi, all
I am learning SIG mesh
I wanna know:
1. the current of the LPN node, could you provide me some relevant data ?
2. does the provisioner need to keep some...
Hi,
I am studying openthread, I don't understand what is Dataset in Openthread used for? It is just for backup some network parameters? How could I use the Dataset?
...
I am trying to read the analog signal to convert it to digital signal on the nrf52820, however, the saadc example is not working on this chip. Do anyone has an idea how to...
Hi Devzone:
From this page describing 2.4Ghz Radio in infocenter:
2 Mbps nRF mode ideal transmitter has a sensibility of -89 dBm
2 Mbps BLE ideal transmitter, packet...
Hello, I see as of nRF5_SDK_15.0.0_a53641a the ble_hids service now supports multiple links. Do you plan on supporting multilink ANCS in the next release of the SDK? Thanks...
Hello Sir
I will use NRF51822 in my project.
But i have read it can be connect eight channles in the same time.
But i need in my project control of 32 devices (channels...
I am making a ble project on nrf52840. I am having trouble finding the idea of adding a new node to the network. My project follows a set of main gateways and additional nodes...
Sir i have NRF52840 dongle i used many times works amazing.After i uploaded Gpio toggle program now dongle is like dead ,laptop is not detecting it, i can't see it in device...
We are adding social distance feature to our existing product. We are facing performance issue. The device has one peripheral role and one observer role. I have set scanning...
