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...
When test the current in the WFE state.
If not use the DMA, the current is not exceed 0.1mA. And when have used the DMA, the comsumption is very high , the current is about...
Hi,
We have a custom board with nRF52832 QFABB0 chip. High frequency crystal used is 32MHz (Part No: ECS-320-8-37CKM ) with two 12pF load capacitors (Part No: 80-CBR04C120F5G...
Hi All,
As "Mesh beaconing example" work as a advertiser and at a same time it scan beacon also.
I just want to use only beacon scanning functionality in this application...
Hi
I have moved an application from Softdevice 130 V5.1 (with SDK 14.2) to Softdevice 130 V6.0 (with SDK 15) both using keil.
My BLE peripheral device name is Nordic1234...
we are using NRF52832 for a project design, I am a bit of afraid of BQB certification, I think add a such like Johanson 2450FM070029 ceramic filter in front of antenna, (...
Hi guys,
I will begin the bluetooth mesh structure part of my project. I looked at this topic to learn what I have to do for creating a mesh project at KEIL. That guide...
So I have a NRF52 DK PCA10040 V1.1.0 2016.15 and a NRF52 DK PCA10040 1.2.4 2018.23....
the 2016, when connected to my laptop by usb, produces 3.3 volts on vdd....( sb10...
Hi
I am developing a healthcare device which is paired via NFC. The NFC pairing is non-standard as it needs to work on iOS, I place records for a MAC and a service UUID...
central 52832dk peripheal 52832dk 14.2sdk , My custom service has 5 features. When discovering, sometimes the service discovery is complete, sometimes the service is not found...
I am trying to measure the power consumption of a PCA10040 board while debugging, using the PPK. I am using the setup shown here: "Measuring current on nRF5 DK while debugging...
Hey,
I found that sdk 12.3.0 (the latest for nrf51822) has example fpu_fft with linked CMSIS_DSP lib, but this lib is for cortex m4. I downloaded arm_cortexM0l_math.lib...
I have a problem getting fstorage to work with BLE in SDK 14.2.0.
The fstorage example works fine until i change
NRF_SDH_BLE_PERIPHERAL_LINK_COUNT to more than 0
In...
Im am running a nrf528322 board with the s332 softdevice using sdk14.2.
I have implemented flash storage in my program according to the nordic flash_fds example. This works...
Hi Nordic,
I am using SDK 12.3.0 and S130 2.0.1. I have some questions about AFH.
1. Do Nordic stack keep track of some bad channels during communication and would skip...