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,
Please help to suggest if 10K Nodes in a single network with 100 Kbps data rate is achievable with data transmission interval being roughly every 30 seconds.
This...
I have the debug section of the evaluation board turned off, modifications to measure current with a DMM set up, and am using a keysight 34465a DMM to measure current. The...
Here is the code snippet initializing the Heart Rate Measurement Characteristic in the BleHeartRateMonitor example:
static uint32_t characteristic_init() { uint32_t error_code;...
When using nRF Connect and 52840 Dongle, the normal BLE scan app works fine but connecting to the RSSI ap, the reprogramming of the dongle fails with timeout.
Hi,
I have nrf9160 DK.
I found there is u-blox driver available. Is it possible that the 9160 modem can be added an interface as a modem using u-blox? If so, there is...
NRF_LOG_RAW_HEXDUMP_INFO() is not printing complete Extended Advertisement data in HEX format. It just prints first 80 bytes of whole advertisement packet.
I added below...
Hi Nordic Developers,
Service Discovery Protocol (SDP) is a protocol for Bluetooth to detect the service nearby and to determine their characteristics by using UUID.
I...
Hello!
I am trying to lower the sleep current of our custom board. Right now in sleep, the whole system have a current consumption of 100uA. There might be component choices...
I get answer from msromero that If zigbee network is open, then new zed can join this network.
What means that nework is open ?
I want zigbee netork is silently joinable...
HI, i would like to get device name and print to uart, but when i try to print the device name i got error character.
Here my snipet code and uart result
Hi.
My target device is nRF51822 and SDK version is 12.3.0.
I try to add Device Information Service to example "ble_app_uart_pca10028_s130"
---------- main.c (added...
Hi,
I am using NRF52832 sdk 15.2.0.
I am trying to do a device firmware update by following this link: https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/getting...
Dears
I listed my questions below. Thanks.
1. About GPS searching and fixing, I tried Thingy91 outdoors.
- When Thingy91 connected to LTE, did LED shall blue color?...
I have a nRF52810 project which initially used the ble_peripheral/ble_app_hrs from the enRF5_SDK_15.3.0_59ac345 as a starting point. I have changed to a custom service and...
