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...
This is heavily processed code just to show what I'm doing with discovery: I can see that first time I call for discovery I get BT_GATT_DISCOVER_PRIMARY cnt_3 = 3. Then I...
I discovered this chipset and have found a dev board on eBay for $37. Is it worth it to tinker with? I have the 2.8 version of the toolchain. And Sdk. On vs code.
I have...
Why are RADIO_MODE_MODE_Ble_LR125Kbit ， RADIO_MODE_MODE_Ble_LR500Kbit and RADIO_MODE_MODE_Ieee802154_250Kbit not supported in the ESB routines? If I want to use these configurations...
Hi,
I'm working on a project where I want two units to be able to wirelessly send packets to each other whenever they need to. Sometimes only one of the two units may be...
If I initialize the IPC and then turn on the bt_enable, it will lead to the status quo in Figure 2, what is the reason?
If I block k_sem_take (&bound_sem, K_FOREVER) and...
We have a working production system that is based on asset_trackerV2. It is working perfectly but there is a random event happening that I can not explain. On every reset...
Hello, I´m working with the SMP server sample, but I need to modify that one for the following feature related to OTA: 1. Update Nordic firmware with the image system of the...
Greetings,
in Visual Studio code the project workspace looks ok. However NRF Connect is not able to see the application. The error message is of no help:
This did...
Hi everyone!
My name is Natalia, and I’m just starting to work with Nordic. This is my first design, and I’m trying to connect the nRF7002 module to the nRF52840 microcontroller...
I need to match the 50 ohm impedance for antenna performance. It would be easier to manufacture using 4 layers, but I'm planning to manufacture it in 2 layers due to cost...
We are working on product to combine esp32(wifi chipset)+nrf52840(ble, thread and matter ) we wants to keep it as matter device + matter controller to have its seprate network...
We are finishing up our certification process and to complete Wifi Adaptivity, we need to operate the Wifi Shell sample . However, we need to do it on top of our custom board...
Hi,
ncs\v2.8.0\nrf\samples\esb
1. Based on this example, how can customers achieve the frequency modulation function 2. What are some examples for reference? 3. What frequency...
I used this direct test mode sample project: "ncs\v2.6.1\nrf\samples\bluetooth\direct_test_mode"
I can connect and test it normally on the nRF5340 development board with...
