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...
Once again I'm turning to this forum for help, as I'm stuck with an unusual issue. We have a custom board, which is supplied from one CR2032 battery and can also be suplied...
Hello,
I am having an odd issue when loading an app that uses FDS with softdevice, if I load the app without a bootloader the FDS library seems to work just fine but if...
on connection, the modem gets reset after ~ 1 minute from activation:
log:
[00:00:00.421,386] <dbg> nrf_cloud_transport.nct_topics_populate: shadow_get_topic: $aws/things...
I would like to implement functionality to use a digital temperature sensor TSYS01. I cannot find that this already is implemented in Zephyr so im wondering how i in best...
Hi there,
I want to use a LiFePO4 Cell to supply the nRF9160:
Is the MAX17224 suitable to power the nRF9160?
Is this Power "Sequence" OK? Productspecification nRF9160...
currently we are facing an issue with our testing that, our product battery is getting drained to 0 volts. we understand that we need to put a cutoff voltage from the firmware...
Hey folks,
I'm developing a long-range application with nRF52840 DK that (optionally) uses NUS (Nordic UART Service) to send data to Samsung S10+; there is no problem establishing...
Hello,
SDK 15.3.0
nRF52840-DK
s140
IDE:SES
I am running into an issue using the app timer and LPComp together. The error is NRF_FAULT_ID_SDK_ERROR, With RTT output...
Let say during the normal program flow I want to change often the edge direction which will trigger the event: rising edge, none, falling edge, none … Can I work direct with...
hi:
i want to know CKCON config is CKCON =0x01 or CKCON =0x02? because datasheet is CKCON =0x01
External data memory stretch control. 001: One stretch cycle (default)...
Hi All,
I'm working with Nordic BLE Mesh and trying DFU (OTA) provided in sdk for Mesh.
I used \doc\getting_started\dfu_quick_start.md as the guide to setup and test...
Hello,
I am using nRF52840. I am trying to get hands on DFU. Without any modifications, I am using examples as is.
1) I followed below steps to do DFU hrs_application_s140...
I am looking for some 'getting started' information on configuring the nrf52833 DK for direction finding.
I have read the thread: https://devzone.nordicsemi.com/f/nordic...
Hello,
I have made a custom board based on NRF52840 IC.
The board is using GPIOTE, SPI2 and TWI1, and when put to sleep, consume 665µA. When just initializing the SPI...
