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,
There is a particular task I'd like to accomplish, and I have been looking into the nRF52840 to do it. In a nutshell, I want to build a bi-directional relay for USB...
Hi,
i downloaded new SDK14 with example, after i upload hex from example in ble_peripheral/ble_app_hrs
I use s132 / nrf52
program stuck here :
ret_code_t nrf_sdh_enable_request...
Linker script `nrf_common.ld` in nRF5 SDK v16 defines __etext to point to the end of the .text section. It needs to be 4-byte aligned according to comments in `gcc_startup_xxxx...
Hello,
In order to try and implement passkeys, I've implemented my program inside of the glucose app example. The project compiles + runs and crashes sometimes randomly...
Hello everyone, just a quick question.
When routing on the nrf52832 WLCSP package, I noticed that the only inner pin "required" for use is the pin to enable DC/DC (Pin B6...
Hey guys,
I want to create an accurate timer without interrupts. My timer has to be very accurate because I have to send HIGH and LOW signals for 1us. I have read this pos...
Hello.
Currently I am trying to merge the peripheral example ble_uart and saadc examle. My little project is to send potentiometer values over ble.
As of now I have copied...
I have the bmdware.uvprojx project opened in Keil uVision 5 and have the BMD 350 breakout board containing the nRF52832 chip connected to my PC via a J Link debugger (EDU...
Hi all,
Here I am using the nrf52840 in my customized board, in parallel i have nrf52840 dev board.
I am using the twi peripheral to communicate with a i2c based sensor...
Hey,
I am using SDK16 and want to update the bootloader on my NRF52840 from SDK15 with a new one.
I modified the bootloader from SDK16 a little bit. Then I created a Zip...
To the kind attention of Nordic support team,
I have got in here two pictures of flash. The first one it is after installing bootloader and settings, softdevice and application...
Hi,
I am working on a product development that uses an nRF52832 (through a LAIRD BL-652 module).
We have a voltage point (named 5V), that is connected to SIO_28 GPIO through...
Dear,
I used ncs_v1.0.0_joakim to adapt the battery of my thingy91:
I used: battery_monitor_read(); to read the %battery, and it worked well
I just updated new...
I understand correctly that in order to use my private key for my applications, I must first sign an immutable bootloader with this key and upload it to the device?
I used...
Hello there,
It seems the CC310 backend for ChaChaPoly does not allow zero-length data or adata (associated data). I am implementing a protocol that requires this (Wireguard...
