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 use the demo ble_app_uart ，and i want to close the uart when ble is "Disconnected"。
but it when it do app_uart_close(),the nrf52810 is RST。 i use the same code in nrf51822...
In the nRF52840 do the peripheral interrupts (e.g. UART ENDRX) set the event register in the ARM core? If so is __SEV(); __WFE(); the only way to clear this event?
Project Starting Point I have a Zigbee end device that until recently, did not include an MBR, Bootloader, or the OTA cluster. Prior to the implementation of the previously...
Apologies in case query is dumb or not conveyed properly or duplicate query( related topic responses did not resolve/clear up topic for me)
What are the changes required...
Hi,
I am using Nordic version of SES v4.42, I am not able to debug and conformed that this version is having an issue details given in link below
https://devzone.nordicsemi...
Hello, I am using nordic nRF51822 chip and mbed api. I am creating a custom GATT service .
In the service , I tried to make a characteristic on BROADCAST mode rather than...
Hello,
I am making a low-power beacon.
I am using NRf52832 module with external crystal. No extra device.
I use SDK 14.2.0, because it's much easier than 15.3 for making...
Hi,
Got some questions about receiving adv packet in Mesh Beaconing Example:
According to the description " The beaconing example also demonstrates the usage of the Packet...
Hi,
Good day! I hope everyone is doing well.
I have a weird problem measuring Li-ion battery pack voltage.
Problem: Tried to measure battery pack voltage 12.6V using...
We're struggling a bit with our NFC implementation. We were using the T2T library, using the examples, and it was working fine. However, we saw current drain at ~ 400uA, which...
Currently I am testing the coap_client and https_client sample application with nrf9160 based custom board. But the board is continously resetting while searching for the...
Hi there,
I was wondering how the motion pane is supposed to work in the bifravst app, it doesn't seem to be refreshing. The battery pane doesn't seem to be refreshing either...
Hello.
I'm reading the documentation of the radio peripheral of nRF52832 but I can't find any information about the S0 and S1 fields.
What are those fields? What do they...
Hi, guys. I'm using the PCA10056 and the SDK 15.3's BLE UART peripheral example. I'm working on a PWM controller using the mobile app.
I need to create a delayed PWM signal...
My current project is to build a simple BLE LED controller. The goals of this project are to familiarize myself with lower level modules and to practice designing/building...
