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...
I'm beginner of nrf52832. I try to eddystone beacon URL in ble_app_eddystone example in SDK 15.2. I have received my URL in NRF connect app but my android smartphone (moto...
Hi all,
I using nrf52832 , sdk 15.1
- My app include : application + bootloader + application data area
- application define appliation data area is 12K byte (FDS_VIRTUAL_PAGES...
I want to use the REAL GPS of the RF9160, not the simulated version in the asset tracker demo. Firstly, is there a demo for the RF9160 that reports actual GPS location that...
When I'm running a BLE application with the debugger, and the CPU halts on a breakpoint, it seems to end up in the assert handler when I start it again. How can I avoid that...
We are working on a nRF91-based device, and trying to understand the regulatory premises.
From what I can see the module is approved according to GCF (www.globalcertifications...
Hi,
I have got new nRF52832 custom board. I am able to send AT commands and getting responses. After that i tired programming ble_app_uart Example and it stuck at ble_init_stack...
I take the TWI master example of nordic, and try to build I2C read API that can be use from otherr places.
The function look like this
uint32_t Serial_read_2BytesReg(uint8_t...
Hello
I am trying to do BLE communication using BLENano2 (nRF52832) now.
Therefore, using SDK 15.0.0, we are writing a program with keil u5.
Since writing to the softdevice...
I am a bit confusing about this two mode settings. We plan to use MODE=BLE_2MBit on both TX and RX sides as it can give us about 2dBm sensitivity improvement on the RX side...
I need to transfer data from my ADC (analog to digital conv) on a custom made, nrf52 PCB to a mobile app via bluetooth. For this I integrated my working SPI data transfer...
/** * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are...
Hi there:
I'm now developing a product with 51822 using the SDK10.0 . The product communicate with another chip through UART.
My problem is when the UART crash with error...
Hi all,
I have an application where I have a mobile app that communicate with up to 20 BLE devices. The BLE devices are RGB LED lights with push buttons and a sensor. I...
Hi.
I'm trying to use nRF52 as TWI slave.
I am using Segger Embedded studio for the coding part and nRF52840 PDK.
I wanted to use TWI between the nRF52840 board and...
Hello Helper,
I am currently running ble_app_uart on 2-3 nRF52 dongles that acts as a node and ble_app_uart_c on nRF-52 DK that acts as a central. While establishing different...