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 trying to replicate an Arduino Uno application where we connect a M3Q alcohol sensor into an analog pin and feed the data into the ADC. The specific board I have is made...
Hello,
sd_softdevice_enable falls in hardfault. I have no 32.768 KHz crystal but is set lfclk with NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM.
I'm running my application on a...
HI,ALL,
i want to try to developer with bluetooth develop studio,which developered by BlueSIG.
i now download the BDS and the PLUGIN for the nordic NRF51.
is there...
Hello,
Does the S120 have support to know on which advertising channel it received an advertisment? Or some kind of feedback to know on which channel the S120 device is...
Hi,
Does anyone know the event end point addresses for the following on the nrf52832:
RADIO_EVENTS->ADDRESS
RADIO_EVENTS->READY
RADIO_EVENTS->END
The addresses for...
Hello guys ,
We developed a product that using a nRF51xx chip and now we are preparing for mass production.
The antenna was designed on PCB and for PCB we are using FR4...
There is a minor issue with the app_fifo library included with nRF5_SDK_11.0.0-2.alpha_bc3f6a0. If the app_fifo_write function is called with the parameter p_size set to 0...
Hi
I am planning to use NRF51822. Have not used these parts yet.
I have 4 peripherals and 1 central hub. All communicating in BLE. And central hub will also connect to...
In our project we are using the nrf51822. We planned to connect an external flash for storage purposes. While coding the software I got the advice to give special attention...
Hi,
I use nRF51822.
Can it judge a UID of higher RSSI level by comparing the RSSI of two advertizers with Central mode in nRF51882?
I want to know a UID of advertiser...
Hi, I use
nRF51822 Rev.3, SDK 7.2, SDK 10.0, S110 8.0, and S120 2.1 most of the time.
I mostly quote most of the codes from the SDK's examples such as HID keyboard or...
Hi all,
We have a issues with the SPI communication and hope someone could help us.
Using SDK 8.0.0 and Soft Device S110 8.0.0
code process step:
enable ble...
Hi
I am investigating some weird issue where a device sometimes locks up: it is BLE connected to my iphone app, and then I bombard it with writes to a specific characteristic...
