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...
Setup:
- nrf-sdk (v2.7.0rc2)
- custom board with nRF52840 QIAAD0 SoC
- current measurement directly on nRF VDD using Keysight 34465A, VDD=1V8
I'm using a code which...
Hello,
So I'm trying to setup the driver files and default configurations for CS47L63 Hardware Codec. There are no build errors or flash errors but after flashing I get...
I have a custom board with a nRF52840 and a nRF21540. To control my FEM (nRF21540) I have added the following to my code to my nRF52840_nRF52840.dts file:
/ {
nrf_radio_fem...
I am trying to control the 485 relay using the 485 to ttl converter. I implemented it on arduino using the following code:
#include <SoftwareSerial.h>
#define SoftSerial_RX...
Hello,
I am using bis gateway on nrf5340 audio dk to transmit data.
In addition to audio encoded data, I also wanted to send some additional data, so I put these data...
We are experiencing intermittent connection issues with the nRF9160 using NB-IoT on the Vodafone UK network. Our devices fail to connect or register with certain cell towers...
i have changed light example demo server.
now i add #define MESH_FEATURE_RELAY_ENABLED (1) in nrf_mesh_config_app.h ,the server have supplyed friend feature, i used nrf...
Hello, I'm trying to implement timer-driven ADC acquisition with the nrfx library. I previously configured some timer-drive GPIOs like in the following code
I'm having...
Dear DevZone Team,
I'm facing a very strange issue whereby the sample code from the Lesson2_Exercise2 of the Wifi Fundamentals course does not allow my development kit...
I currently use 8 nRF52832 as PTX and 1 nRF52832 as PRX. To ensure better communication quality, I wrote the code for PIPE allocation. The channel is assigned by PIPE 0 as...
Hi,
I'm working on a custom board with an nRF52840 MCU and a MAX17260 fuel gauge IC interfaced via I2C. The goal is to read the voltage of a battery using the MAX17260....
Dear all.
I have one question about thread certification environment:
I want to setup internal test environment only with Nordic nRF52840(no other bed devices). In the...
Hello,
In an existing device using the nRF52832 I have 2 SPI Master instances. Please, may you confirm that is possible to create a third SPI Master instance?
By the way...