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 Team,
I want to connect power pins on the nrf52840 chip in the schematic.
I find there several VDD pins, how can I select and connect them?
Best,
Gaosheng
Hello,
we are currently developing a customer product based on the nRF9160 SIP.
The requirement is to send the battery voltage periodically over the CoAP protocol (PUT...
Greetings , I have implemented an application with freertos (sdk 15.3) which goes into low power and wakes up on two irqs (rtc and button). When the button irq arrive turns...
We would like to use nRF9160 has MODEM only feature, such that MCU in our product can talk to nRF9160 via UART interface.
We have found an sample application [Serial LTE...
Hi
I am trying to setup a raspberry pi 4 for flashing nrf devices. But Nrfjprog doesn't seem to work.
I am using a Raspberry Pi 4 with 2021-05-07-raspios-buster-armhf...
Hi,
I noticed that the nRF9160s I2C low level logic voltage is quite high. With a 2kR resistor at 3.3V it's already more than 200mV. Because this is quite high and will...
Hello all,
I am using the BLE app UART code. I m trying to connect one plus through BLE connection. but nordic devkit BLE is not visible.
I am using the default configuration...
Sorry but I find the documentation useless. I don't even know where to start. It could be I have not found the correct documentation which is not surprising.
The best I...
Hi
I've built a USB HCI fimrware based on the sample from the nRF Connect SDK for the nRF52840DK.
See also: (+) HCI USB based on nRF Connect SDK 1.7.0 failed to update...
The SDK version of the program I developed with SES is v1.5.0. Now change the development environment to vscode and import the program into vscode through "add an existing...
Hi,
Is it possible to generate a passkey before initiating the pairing process?
The peripheral in my system does not have a display or input, so I'm looking for a way...
Hello Developers, I am currently developing an application on top of mqtt-sn publisher example. Now i want to add OTA DFU in my mqtt-sn based application. I have started up...
Hi, dk:PCA10095 sdk:ncs v1.7.0 example:path:D:\ncs\v1.7.0\peter\11_hello_world_pdm_i2s
Download changes when I build the project using SES: Previously: Download code available...
