I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi,
I have just started using a nRF52840 PDK board with the purpose to verify BT 5.0 features. I am completely beginner working with nRF boards or nRF SDK. Anyways, I downloaded...
Hello, I am working on optimizing the power consumption of our application.
I have got two design decisions that I would like to ask for some advises and opinions on.
...
hello,
I uses NRF51822 to make a beacon with RTC.
When it works initially, the churrent is small about 330uA，but after a few minutes it becomes 1.1mA and stable.
I donn...
Hi,
I'm using CircuitMaker and I tried to import NRF52 reference implementations .PrjPcb files. Unfortunately CircutMaker does not support Altium PCB 6.0 files yet, but...
Hi,
I've recently bought a bluetooth module with a nRF52832 module for my new project (Module: EYSHSNZWZ from Taiyo Yuden). The problem is that I have no experience in embedded...
When I need to implement the functionality of bootloader_secure_ble, I need to produce the micro_ecc_lib_nrf52.lib library file in the following way. Why does not this library...
I'm building home temperature sensor with custom pcb design. I'm using balun( 2450BM14E0003 ) and chip antenna( 2450AT42B100 ) from Johanson Technology. Beacon works and it...
Hello everyone, here I have a problem when I learn to use beacon on 51822.
The steps as below:
I have a 51822 board, it can boardcast normally, and communication OK...
Hi there,
I was trying to use the bootloader_secure_ble example from nRF5_SDK_14.2.0 but it didn't work out of the box... I wasn't able to detect the board from nrfConnect...
How can I use nrf 52840 PDK to program custom PCB made using nrf52840 soc and reference circuitry suggested in datasheet, Circuit configuration no. 6 ?? Is there any software...
I am using the S132 Central + Peripheral Relay example as a basis for my tests. I have a peripheral advertising at an interval of 20ms. I verified this timing using a BLE...
Hi,
Will the SDK examples work if gcc v7 is used? I have tried an example with softdevice + application and bootloader, using gcc v7 compiles and flashes to the nrf52 DK...
Dear Sir,
I have downloaded the SDK12.3.0 , in that the example blinky freeRtos is giving the linking error i.e. " Error: L6218E: Undefined symbol bsp_board_leds_init (referred...
hello,we want to use NRF24LE1 IIC to communicate with NFC cards.
firstly,we choose NRF24LE1 IIC(hardware),but it is failed. then,we use simulation of IIC(software) to communicate...
My nRF52832 DK will no longer respond to J-Link downloads.
It seemed to start after I erased the target from Segger IDE.
Now it states that the file is downloaded, but...
