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, everyone
A LPN ( Node-LP ) had selected one of nodes as its friend ( Node-F0 ), if Node-F0 is taken away, will the Node-LP automatically reselect other node as its...
I read somewhere for new project we should use nrfx driver because in future old nrf_drivers will not be support and improve. All examples in sdk15.3 as I understand used...
Hi All,
I am trying to implement a battery level reading app using NRF52840 DK. It seems I am receiving a timeout from saadc.
In order to run on the Lithium battery, should...
Hi,
I programmed two thingy:91 to return RSRP and RSRQ to a server. On is running with LTE-M and the other with NB-IoT.
I found something that seems strange : +CESQ: 99...
Hey everyone, I'm trying to use the QSPI module (again) to interface to RAM, not FLASH. I'm not really sure if this is possible, but we'll get there. Right now I can't get...
I've been tested for BT SIG however have met error which sent 0xc000 and got 0xc000. I expected to receive 0x8xxx. Command is LETestEnd.
I tested with nRF51822 customer board...
Opening a project in SEGGER Embedded Studio I have annoying "no entry signs" (white minus sign in a red circle) on the left side various items in a project, whereas most of...
Working with nrf52832_mdk and using basic GPIO functionality, I am unable to toggle the GPIO pins P0.0 or P0.1. The code I am using is quite simple and I am able to toggle...
Hello,
I am working on the mqtt sample from ncs\nrf\samples\nrf9160\mqtt_simple. Mostly the nRF9160 connects to the MQTT server in the first attempt. But sometimes I observe...
Hello,
I work on nbiot evaluation and i try to send udp data from my basement.. I boot and attach network from ground-floor and when i'm on PSM mode im going on basement...
I want to run the board at 1.8V and run the uart and spi examples on my laptop. What should be my configurations and which micro-usb port shall I use to connect with laptop...
Hi,
I'm trying to send custom messages between server and client, based on the light switch example. I've modified button_event_handler and the client was able to receive...
Hi Nordic team,
I have an issue: I have to program/flash my mesh application together with softdevice140, mesh-bootloader and device settings page on the nrf52840 chip....
Hi everyone,
I am facing a kind of a strange problem. I want the system to enters system OFF mode when a certain pins goes to LOW. For that reason I have include code section...
