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 all.
I need some suggestion how to use UART module in the nRF52 using nRF5_SDK_12.2.0 and the softdevice $132(it would affect?)
I would like use RX to receive information...
Hi.
Didn't find an exact answer for my question.
I'm using the ble_app_beacon example on my custom board based on nrf51822. While powering it from a coin battery, I measure...
Greetings. This is a followup to my previous question BLE Software Configuration for FCC Spurious Emissions . I did not ask the right question there and I did not want to...
Help!! I need to implement a dc motor position control and i have problem reading the encoder (too fast). I have seen that nrf51822 has a qdec peripheral. Any suggestions...
Hi,
I wanted to know if the UART pins can cause any issues if kept connected to usb (Rx/Tx pins stable to 3.3V) and directly to the GPIOs of the nRF52, while performing...
I've come across the following situation:
We have a device (nrf52) which uses fast advertising with whitelist after it has established a bond with a single phone. When...
Dear All,
I'm kinda getting desprate and would be very thankfull if somebody could help me.
I want to get two NRF24l01+ to communicate with each other. But it doesn...
hi, all
I met a communication problem between nrf52832 and nrf24le1, I used nrf52832 as receiver and nrf24le1 as transmitter, but unfortunately，nrf52832 can not receive...
We have a sensor product that has been in the field using the nRF8001 in no security required, just works mode for over a year. Recently, we had a request from a volume user...
I am using the ble_app_uart on the nrf51dk.RX is always enabled.I want to enable TX when data is to be transmitted and then disable it again.
I am using
NRF_UART0->TASKS_STOPTX...
Is there a way on the command-line to read the debug port (DP) register or access port (AP) register for nRF52 via the the nrjfprog program?
I do not want to write my own...
I'm new to the nRF51822. I've setup GCC and Make on Windows 10 and am using SDK 11. In all the examples of the SDK, flashing the newly made hex files (using GCC) with JLink...
We are working on a project that will operate in the MBAN frequency range of 2360-2390mhz. One of our current products utilizes the nRF24L chip, and we were interested in...
hello.
Although example consumes less current when connected, in the project I made, consumption is not reduced even if it connects, what is the cause?
The service seems...
Hi,
I'm trying to write more than 20 bytes to a custom characteristic, from Android (Cordova BLE Central), but this completely crashes my App
APP_ERROR:ERROR:Fatal ...
