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 am developing a product using nRF52833 . (S113, SDK 16, IAR8)
I am developing based on the usbd_ble_uart sample.
I use ble, spi, twi, ppi, saadc.
and, I use...
Hi,
On page 420 of the nRF52811 datasheet (v1.0) it states that pin 14 (P0.18) can be either 1) Digital I/O or 2) Single wire output (SWO). The SWO is not mentioned on any...
Hello, In our project the nRF52 resets randomly
we use the NRF52832 with softdevice S332. On the application space we run a FreeRTOS application with 2 tasks. We want to...
Hi,
I am trying to determine whether or not to use a watchdog timer in our firmware. The device is and IoT device, making sensor readings and entering sleep mode for a while...
Hi all,
i am trying to merge ble_app_peripheral example with twi_scanner. So i created twi_ad7147.h and twi_ad7147.c with the twi configurations.
But i am getting this...
Hi All,
I am working on a custom board using the BMD-340 from RIGADO, and I am hoping to be able to see all the logs on the RTT viewer.
setup -> SDK 16.00, J-ling programmer...
HI Team,
We have generated the private key from "nrfutil" tool and we want to integrate to our code, how to extract from python generated file "private.key" file to hex...
Hello Nordic World,
We are attempting to use the Nordic Sniffer app on a DK52 board to sniff and troubleshoot BLE communication issue with our board/app and iphone/app....
Hi,
I am using nRF51822, SDK 10, SoftDevice S110 v.8
I am strugling with DFU over BLE using custom DFU package.
I am able to flash bootloader and update FW with pregenerated...
Hi everyone,
I am using nRF52832-QFAA in a product which is completed and we are going to mass produce the product.
We have 3 files. Softdevice, DFU and Application...
Hi,
I am using nRF Connect for Desktop v3.4.0 and BLE app v2.4.0. I flashed the latest connectivity firmware ("ble- connectivity 4.1.1+May-07-2019-15-12-19. SoftDevice API...
I am creating a device that grabs on air mac addresses from advertising channels. I know that that macs can rotate and change. Im able to pull out bytes 3:8 of the payload...
Is there data on flash durability? This is written in the spec:
The Flash can be read an unlimited number of times by the CPU, but it has restrictions on the number of times...
Hi Nordic folks,
We are using the nrf_security library inside "sdk-nrfxlib" ( https://github.com/nrfconnect/sdk-nrfxlib/blob/master/nrf_security/ ) to support our projects...