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...
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...
Hi,
I would like to control a piezo driver using GPIO pin on nRF52840 DK.
I've read posts about this kind of application. But still confused about how to set up PWM...
Hello again Nordic Pro's,
I have a mildly modiffied version of ble_app_uart_c that compiles and runs fine on an NRF52-DK board. I am now trying to use the same code on a...
Hi,
I'm very new to the Nordic BLE chips. Sorry in advance for asking stupid questions, but I'm willing to learn! This is my first project for my current job, I want to...
Hello,
I've been trying to run the OpenThread mqttsn_client_publisher example from the SDK. I have also set up the border router according to the tutorial on the infocenter...
Hi:
I meet a strange softdevice assert when I do dfu in nrf52832. There is no info or call stack for this assert, I only get the assert is NRF_FAULT_ID_SD_ASSERT.
Do you...
Hi,
I have been working with the Thingy:91 at the version 1.2.99 but this also happens on previous versions (I do not know which it was but the serial_lte_modem code had...
Hello,
I am facing a issue with the LN service. I am notifying the position at 10Hz and this work well. I have implemented a custom service that allows to send a file by...
