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 All,
I am developing a data acquisition system in which my device generates an interrupt for every 5ms upon its data is ready. I store one second long data in local buffer...
hi,
We have a product in production but the PCB-A had been updated with new functionality.
We want to make sure old f/w is not inadvertently loaded to new h/w.
To do...
We would like to develop OTA firmware update with nRF52840.
In the development phase, we have been using "Thingy: 91" and place the firmware onto the MCUs of nRF9160 and...
Hi all, I'm developing nRF52832.
My goal is to send ADC data to central device using BLE.
Below is part of my code.
Maximum MTU size is 251.
I sent data in 16...
Hello,
nRF52-DK (PCA10040) has two mysterious 12 pF capacitors C52 and C53 connected to P0.25 and P0.26 respectively (see attached picture).
Is there any special purpose...
I'm using nRF52DK with ble_app_hids_mouse to pair with the smartphone.
From the smartphone we can disconnect the device at will. But I have problem when I want the device...
Hi All,
Looks like develop nRF52840 on SDK16.0 required
NordicSemiconductor.nRF_DeviceFamilyPack.8.27.0.pack
But there is no such pack on http://developer...
Dear All, I am trying to measure the current consumption for the nRF52840 USB Dongle. I intend to use it as a beaconing device and attach it to a battery.
At the moment...
I have recently switched to using SEGGER embedded studio (SES) which seems to be advocated by Nordic. I have arrived from Eclipse which though extremely flexible is complex...
Hello,
I am working with the nRF52840 dongle. There is a bootloader at the end of it's flash, which can be started by pushing reset after power up.
However I cannot start...
Hi Gene,
One of my customers using our module to pilot run.
https://static1.squarespace.com/static/561459a2e4b0b39f5cefa12e/t/5da77e178970da0cc270ef0d/1571257883383...
Hello,
I noticed that Table 7.3 of nRF52832_PS_v1.4.pdf states that 37 interrupts have been implemented, whereas the peripheral listing in the documentation as well as interrupt...
While advertising I could see some increased current peaks on one of the three channels. Its random and is observed mostly at the first or last channel of advertising.
Any...
Hi,
I wish to power optimize the proximity example application, as my intention to make a find-me tag. So I may not need the lls and tps services. Is any guidelines for...
Hi There,
I now have 4pcs PCA10056 and 4pcs PCA10059 for the development of our BT Mesh products by nrf52840 of Nirdoc. I have completed the installation of the tool chain...
