Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi everone!
I am developing with SDK17.0.2 and using the nordic NUS peripheral example.
I am seeing a strange effect:
I am connecting from an android mobile and when...
I have developed my own flash management module that has been working fine for a long time.
Today, for the first time, I'm trying to write to flash from within a timer,...
We are using adp536x to turn on/off the 3.3 V source as to determine the usage of a specific water valve. Unfortunately, whenever we have a circuit connected and turn the...
Hi,
We are starting a process to certify our nR51822 based product for use in the UK, with accordance to new UK regulations
Has there already been a process to certify...
Hi.
I would like to make an app for communicare with a can device. I see that the chip mcp2515 is a popular one .So i purchsed some dev boards with this chip. One of them...
Hello,
I have a question concerning the decryption of a 90 byte AES CTR ciphertext with a given 16 byte key and 12 byte IV (=8 byte nonce, 4 byte counter).
I've tried...
Hi,
I used the nRF Programmer included in nRF Connect to flash the custom PCB. After the update to 2.0.0 J-link is no longer detected under devices. Could you help with...
I was flashing nRF51822 used ST-link, with file hex from SDK example, so now i want flashing a different .hex. How can i do that? I try do like before but I CAN'T
I'm trying to dynamically allocate some data, send it over NUS, and then free it, but I'm not sure when the SoftDevice is done with it and it's safe to free. Would the following...
Launched nRF Connect for Desktop this morning (v3.7.0) and was prompted that an update was available. Performed the update as well as child packages. PPK was updated as a...
Hi, i have a problem with nrf mesh. nRF5_SDK_17.0.2_d674dde
nrf5_SDK_for_Mesh_v5.0.0_src
nRF52-DK(PCA10400)
Android 6 and 10.
Bluetooth 4,1 4,2 5.0.
I use example...
When using USB with CONFIG_NO_OPTIMIZATIONS=y I'm getting a usage fault and Zephyr gives the reason K_ERR_STACK_CHK_FAIL. The fault looks like it occurs in the unnamed thread...
Hi,
In case the FMFU fails or the device gets into some recovery state. Is there a way to get IMEI without enabling the modem library? When the modem is in process of failed...
Hi,
Can you please tell us how to send Hex data using AT#XSENDTO command ?
I am using the "Serial LTE" application. In the old SDK version (v1.6), it was possible to set...
Hello,
I recently saw this post: https://devzone.nordicsemi.com/f/nordic-q-a/71940/low-power-mode-using-saadc-with-ble_app_beacon and I'm interested in the example for measuring...
