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...
Hello everyone. I want to turn the LED on and off with the push button, if I want to hold it down after 3 seconds the LED will turn off, if it has been pressed for less than...
Hello
I am trying to port a custom project for nRF52840 from Keil to Segger Embedded Studio -uVision V5.33.0.0 -Armcc V5.06 update 7 (960) -SDK 15.2.0 -Device Familly...
SDK version: SDK17.0
We have low received radio message count with open USB CDC compared to when it is closed.
The low rx varies from 20% to 50%.
USB open = screen...
Hello!
what command should I send via BLE to disable the pressure, gas, and light/color intensity sensor?
In this documentation: nordicsemiconductor.github.io/.../firmware_architecture...
Hello
Assuming I set FDS_CRC_CHECK_ON_WRITE flag in sdk_config to 1, where do i get a notification that somthing went rong? I probably miss something but I need to clarify...
I'm using nRF52 DK BLE.
In the code, I used the following code to set the Tx Power = +4dBm.
On my HUAWEI Android phone, I use the nRF Connect app to see the RSSI. My...
To test the example, I downloaded the project through the following path.
https://github.com/NordicPlayground/nRF52-ADC-examples
I get an error like an image. What should...
Hi!
Hope you are doing well!
I am developing a BLE device and right now I want the device be able to auto reconnect to the phone.
e.g. The user leave home with...
Hello
SDK = ver 17
DK = nRF52
Using Peer manager for writing peer data in flash and FDS to store app settings in flash.
1. They both share the same spcase in flash...
Hi,
We are in the middle of product certification, right now with BT SIG testing. Unfortunately we got stuck right away since the test house cant configure the device...
NRF52832
SDK 17.0.2
SoftDevice 132
I am connecting with telnet to an exposed RTT port to see the logs. I adjusted sdk_config.h to use RTT instead of UART logging. The...
Question 1:
The nRF9160 datasheet V2.0 claims the sensitivity is: CATM=-108dBm (mid band); NBIOT=-114dBm (mid band).
However when the unit connects, we get a printout...
So in the MQTT example the following function is used to write the CA certificate to the modem so a TLS connection can be setup.
In our code/TLS setup we want to use Client...
