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...
If i buy a raw nRF52832 chip and design the circuit by myself, how can i pre-programm the serial bootloader in it? So i could use the FTDI Basic (or an FTDI Basic -like device...
Hi,
Is there any way to change the advertisement name before switching to DFU mode?
I have a custom app that reboots into DFU mode (via NRF_POWER -> GPREGRET ). I want...
Hi,
I've to design an alimentation with capacitors to keep energy and filter current peak. To do that I need to know timing for NFC peak current. Do someone have information...
Hello,
I have a running system constituted of a central and 15 peripherals using nRF52840 devices. The central is set to scan the peripherals for 5 seconds then stop and...
Hello,
I'm implementing a beacon scanner with nRF52 using nrf_ble_scan.c. After the scan has been configured with no filters, no advertisement reports are returned to the...
Hi,
The definition of the COEX1 pin looks to be really interesting for applications that need a reliable time reference. A 1PPS GPS output is very useful; absolute accuracy...
Hi
Our nRF9160DK card seems to have stopped working. We attached a sensor to the card (We might have connected the reset pin on the P7 strip) and now I can't start any program...
I was trying to make sense of the serial support in mcuboot, but it uses a protocol and format I don't recognize. I expect they're generated by the Apache Newt tools, since...
I am designing a board based on the nRF52832 and wanted to examine the reference design files 'nRF52832-QFAx Reference Layout_v11.'.
However, The the downloadable files...
Hello!
I am using a nRF52832 with the S132 v4.0.3 softdevice. But I get an error from the softdevice via softdevice_fault_handler.
It gives me id 1(which suggest a NRF_FAULT_ID_SD_ASSERT...
Hi,
I'm using SDK 15.2. The bluetooth disconnects when I enable notifications on nrfConnect. This happens only if I increase the number of bytes to be sent. I'm writing...
hii,
i am currently using light switch example proxy server and proxy clients.
here i am using 3 boards ,2 board(node B &C) are programmed with 4 generic onoff servers...
Hi,
We have a bluetooth product which uses Nrf52840 as the MCU. It composes of a peripheral and a central device of which connect with each other via bluetooth and they...
I have a question about "SEGGER Embedded Studio for ARM V4.12".
I specify a hex file in "Project Options"-> "Debug"-> "Loader"-> "Additional Load File [1]". With this setting...
I have a question about TX Power.
SDK: 15.3.0 Example: ble_app_multirole_lesc Device: EYSHJNZWZ (nRF52832)
The device operates as a “Peripheral”. Is there a way to know...
