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...
Hello,
I'm trying to setup a TCP connection to a remote TCP echo server (echo.u-blox.com : 195.34.89.241, port 7), for testing.
The socket is being opened, and I receive...
Hi!
I'm trying to make a simple frequency meter with the nRF52-DK.
Actually, i'm trying to enable a simple timer, but my program freeze. I'm using mbed studio and I enable...
Hello researchers & developers,
I have a high-level question regarding which communication system would be more suitable for my following idea.
My set-up would be the...
Hello ,
Which settings can increase the buffer capacity of ble_nus_data_send function? I get NRF_ERROR_RESOURCES when I try to load new data, i was going to create fifo...
Hi,
I was looking for an example that combines NFC functionality with BLE for pairing purposes so I was pleasantly surprised when I found that there is such an example....
This happens when I try to do DFU on my Thingy 91. I am trying to download the file thingy91_item_dfu_2020-04-29 file and the same also happens when I try update the modem...
I am using the nRF52840 and the nRF Connect desktop.
the nRF52840 serial number could be recognized like this.
the nRF connect BLE and programmer like this.
what...
Hi,
I tried to run the code which was used by another forum user:
https://devzone.nordicsemi.com/f/nordic-q-a/63149/nrf5340---p0-10-not-working-as-spim-miso-on-non-secure...
Hi, everyone
I am developing a BLE product with NRF52840 base on SDK 15.2.
Due to the cost of the product, we are now evaluating the feasibility of migrating from NRF52840...
Hi,
I am testing curve25519 in M52810.
The following is snippet.
nrf_crypto_ecc_curve25519_private_key_t bob_private_key; nrf_crypto_ecc_curve25519_public_key_t bob_public_key;...
Hi Dev Team,
I had a task to work on that required a timsetamp to schedule a certain event, like for example I wanted my modem to start off every morning at 10:00:00 and...
Hi,
I am using Thingy 52 to measure the acceleration from accelerometer. I was expecting values like m/s2 but I am seeing values in unit vector, ie, values between (0 -...
I have nrf52dk (nrf52832) board and a custom nrf52805 board. The nrf52805 board has no external 32kHz crystals, but only 32MHz crystal. Also, it is in LDO mode (no DC-DC inductors...
Device nrf52832, nrf5_SDK_for_Mesh_v3.2.0_src with nRF5_SDK_15.3.0_59ac345
Hello.
I want to transmit and receive some data between smartphone app and mesh sensor.(almost...
