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 have a mesh provisioner with the provisioner example in the mesh sdk. When I try to provision a device that is next to the provisioner, all works.
But when I try...
I want to send sensor data using sensor_server_status_publish function, however struggling with data marshalling. I get unknown property ID or no data at all displayed in...
Hello
I am using sdk v17 and nrf52dk and implementing sensor encryption(AES CTR mode) and simple nus service. After reading the sensor to saadc, I want to encrypt and transmit...
Thanks in advanced. I'm using nrf52832 with nRF5_SDK_17.0.2. I try to measure adc time consuming as below:
I find when timer sample rate is 500ms, then adc time consuming...
Hi:
I am doing a project which will use both PDM interface and bluetooth transreceiver, PDM interface is used to receive audio data from a MEMS microphone and Bluetooth...
We have a design that uses a simple custom board with an NRF52832 chip, button, accelerometer and onboard battery. For many phones, the operation is quite stable - we connect...
Hello all:
I've developed an nRF52810 application based on the UART example, but when I include buttonless DFU support to my application, it doesn't work. I'm using SDK...
Hi,
now I had achived the function to communication using the esb in nrf52832 that one to one,but I need to achive multi tx device to one.
if there not doc for me to achive...
Hi
Strange that there is no example for such popular code which will allow changing the iBeacon setting parameters (like: name, power, interval etc). with a smartphone application...
Hi everyone,
I'm trying since a few days to connect the Thingy 91 to the network with any result at all.
This is my configuration:
Modem firmware: V 1.3.0
Application...
Hi,
Am trying to store the data fetched through ble scanning to the flash memory of the nrf52840 DK. So I have been making use fo the flash_storage example in the SDK/examples...
Hello,
Our Peripheral server application regularly uses a stream of notifications to transmit data to a Central client. We have a rare error in which sd_ble_gatts_hvx returns...
app time loop update 200 byte data use fds by 10s ,then after many time error happened, update_user_flash is update API, write_drop_record IS loop write API in app time, ...
When running in High Voltage mode, it specifies a maximum of 7mA of external power draw on the Vdd output. It also specifies the voltage accuracy of -10%/+5%. This is a very...
HI devzone
Everytime after i executed "nrfjprog -f nrf53 --recover" on nrf5340 DK
i see it write around 4KB data into the flash. do you know what is the meaning for this...
