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 studying to perform DFU Peripheral from Central both using nRF52840, I'm able to issue command to let Peripheral into DFU mode, but got a "Received a fault" message in...
Hello,
I am using nRF52832 chip for freeRTOS project and using RTC2. I have SDK15.2. I want to have timestamp from RTC as hex format. I searched almost all forums but i...
I am trying to setup unit tests for my app using the instructions from here: https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/ug_unity_testing.html
To get...
Hi,
We are using AT%XVBAT command to get battery voltage and detect low battery.
We facing issue in CFUN=20 mode, sometimes AT%XVBAT is returning latest voltage and sometimes...
Hi there,
I would like to add some extra data to mesh-nodes, when not provisioned -- with ble_advdata_manuf_data_t usage. What is the best way to do it and where?
And...
I have a simple OnOff client server running on Zephyr. I'm developing on macOS and platformio.The nodes are self configured. If I restart the client it cannot reconnect to...
Hi,
I want to add LIBUARTE example in nrf5 sdk into mesh light switch server example, I would like to know how to do that?
I'm using nRF5_SDK_16.0.0 & nrf5_SDK_for_Mesh_v4...
Hi All,
I am trying to implement I2C Slave functionality on NRF52832, So NRF52832 will act as a I2C slave.
So i found there is an example TWIS Slave and TWI Master Mode...
Hello,
I'm using nRF52840. I developed a project using openthread libraries: in particular I included " libopenthread-nrf52840-softdevice-sdk.a " library to have the CLI...
Hello. I'm using the NUS BLE service to send ADC sensor data. I am having the SAADC callback function call ble_nus_data_send() to send raw samples. I have set the min and...
I need to measure full power consumption of nrf52, on PCA10040 from... a 5V source (because including some other 5V devices). I measure it from 5V pin and not usb plug. I...
Hi,
as I know from the mesh spec, the number of elements cannot change after a device was provisioned. Nordic even went so far as to define the number of elements during...
Hi, how to measure RSSI in OpenThread? I have 2 nodes, what is correct state that I have to assign to each node to do transmit/receive test, is it leader and router? or router...
Hello,
We're thinking of powering external sensors through GPIO pins configured as high-drive. The sensors themselves consume only a few milliamps at most, which is easily...
