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,
I have not yet experienced well on the design and development an application using nrf51 series. Your help will be very useful for my work. My question is as following...
Hi,
I have some problems with functions sd_ble_gap_disconnect and sd_ble_gap_adv_stop.
I got critical error when i try to disconnect or stop_adv and my phone is connected...
Hello,
In our application we don't allow bonding. Therefore I'm not allowing the application to send peer data to the bootloader using dfu_app_peer_data_set()...Therefore...
In NRF52-DK, I am currently working on NRF5 SDK 11.0.
In examples/peripheral/spi/pca10040/,
The master spi device is continuously sending "Nordic" string every 200msec...
I've submitted my product using nRF51822 chipset for Bluetooth certification. The BQE asks for QDID of proximity profile. Anyone knows about the QDID #?
Thanks,
Hello,
Is there a way to test packet corruption? My setup would be that I have my FW in nRF52-DK. Then I would test communication using nRF51-Dongle. I would like to force...
I want to connect two nRF51822-BKs and find their proximity. If one of the beacons go >5m away from the other beacon then one should beep/LED ON.
What is the best way to...
I have some troubles to understand the system clock functionality.
I am using a Module from Rigado which uses the nRF52 and has an external 32Mhz osc. on board.
In the...
Hi, I use the following.
Raspberry Pi 3 (RPi3 with Raspbian Jessie 4.4) as a router,
RPi3 is connected to a Wi-Fi router to access the Internet by using the built...
hi
i didn't manage to find detailed requirements on the voltage from the chip.
in the spec i see voltage range of :1.7-3.6v
but its not enough data for designing converter...
hi everyone, I am new to developing apps for nrf51822, and currently I want to learn first, I tried to google a lot around and could not look for the right resources, it would...
hi,
I would like to connect hid keypad with ipad,phone5s and android phone(all these have Bluetooth version 4 )but i couldn't connect this.ie, The nrf51822 module advertising...
I attempted to capture a waveform when running the SPI master example on nFR52 SDK/PCA10040. The source code I have as default and showing as follows
#define SPI0_ENABLED...
Hello,
We are working on a project that includes a countdown but we could not able to do it. Simply we want to do this:
Nrf51822 receives a signal-->run our funcion...
Recently, I've built up the latest OpenMesh v.0.85 example among 3 pieces of nRF51DK successfully. For my application, I would like to increase the data payload, is it possible...
