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,
We have a product developed which will be in continuous advertisement mode for life time. Now we wanted to make our product advertise only after it detects a valid...
I saw something in the list that might help but I have learned that if I go there I lose all the work I did to get here
I am having major problems with Segger Embedded Studio...
Hello! I'm working on a project communicationg using two BLE devices (central and peripheral). On the central side we want to scan and connect to a peripheral that advertises...
Hi, all
I'm trying to write/erase data to flash memory (nrf52833, pca10100)
I want to erase only 4 bytes.. Is it wrong to define like this? I guess '4' value's unit is...
I am creating a smart toothbrush (inputs gyroscope and accelometer data and outputs teeth region). The smart toothbrush has an IMU that collects 6 readings (3 gyroscope and...
Hi guys,
I am using nRF5 SDK for Mesh v4.2.0 and I implemented this simple message model which can enable the communication between LPN and server node. After my nodes are...
Hi everyone, I see in nRF5 SDK 16.0.0, a Button/Led/Timer assign for handler, like that: bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, bsp_event_handler); Or: app_timer_create...
Hello,
I was working on buttonless dfu feature. I add buttonless dfu service as shown as ble_app_buttonless_dfu example and i manage to perform a ota dfu on nrf52 devkit...
Dear Sir.
Moving to version 2.4.99 from version 1.2.0 .
In previous version SPI worked well , cs was configured in overlay as
&spi3 { status = "okay"; compatible...
Hi,
I was evaluating FOTA on nRF5340 as possible upgrade to 52 series. All went good which I'm happy of.
However application size is limited roughly to half flash size...
Dear Community;
We are trying to send data via Lora using a nRF9160. The Lora transreceiver we are using is a RFM95W(Semtech SX1272). There are samples of code to receive...
Hi all,
I'm trying to set up my nRF52840 Dongle as a BLE Sniffer. I've followed the setup instructions from "nRF Sniffer for Bluetooth LE-- User Guide" v3.2, and I'm using...
Hi DevZone Team,
Is there a way to stop the ZigBee network steering after a device has successfully joined instead of waiting for the timeout to expire?
Thanks
Which nrf5340 BLE examples build and run? I've tried several and get build errors on everything I've tried.
This is for both the app and net processor.