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 am working on a project working with remote connectable beacons. One of the easiest ways to save power in these applications is to reduce advertising speed, however, this...
Can anyone give me a tip on porting the code below, which works great in sdk12, to sdk14? I'm using the nrf52832 and the ble_app_hids_keyboard example and need to get a real...
Hi, I'm kind of a newbie, haven't had much experience with embedded outside of arduinos etc.
So I started to look at this: https://learn.sparkfun.com/tutorials/nrf52832...
for sdk15.0, SES,
is the twi_scanner example known to work with nrf52810?
getting errors,
undefined reference to nrfx_twim_init, nrfx_twim_enable, nrfx_twim_xfer
Hi,
I am studying the GPIOTE example from SDK 14. I did some modification adding other led and doing the leds blinking in differents times (LED1 blink each 1 sec and LED2...
Hi,
The nRF52832 does not support Long Range and i was wondering if the use of "RADIO_MODE_NRF_250KBIT" would increase the range. My application is a mesh network.
Do...
Hello Everyone,
I am using nrf51822 with S130.
Currently I am using arduino following this repo to program nrf51822 and its working fine. However, I want to shift to keil...
Hi there
For test purposes, I first implemented a simple serial reading & parsing function in polling mode of a gps device (sending @ 1 Hz).
Everything works fine when...
Hello,
i am evaluating the nRF52840 on the nRF52840-Preview-DK. I have connected an ADC to the devkit via SPI and my code reads data from the ADC via GPIOTE, PPI and SPIM...
We've got two SPI slaves that we need to talk to with the 52840 (PCA10056 dev kit for now) using SPI Manager. In the initialization of these devices, I'd like to use nrf_spi_mngr_perform...
when I use flash to storage my data,I call the fds_record_write(&record_desc, &record) ,and it return success,but my machine run err, my ble broadcast is missed.I used the...
I'm trying to understand what is meant in section 5 of the BLE on Android primer: "The peripheral device should disconnect itself when it gets disconnected by the client....
Hellou, I am developing application which need data array store to flash manager. I used for some function for storing data (nrf_fstorage_init(), nrf_fstorage_erase(), nrf_fstorage_write...
Hi!
I'm trying to merge the flash_fds example with the ble_app_uart, and the twi example. My intention is to read a value from TWI, store it in flash and then send the...
Hello,
I would like to know how can I configure the parameter NRF_SDH_BLE_GAP_EVENT_LENGTH for a determined NRF_SDH_BLE_GATT_MAX_MTU_SIZE when enabling data extension. ...
