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...
I am using 'Segger Embedded Studio'. While changing the settings of a project in options, why we select Private Configurations (common)? I have seen this procedure in many...
Hi,I had a new project base on nRF52810. I watnted to created a timer, but the note mentioned " increase the value of the macro APP_TIMER_MAX_TIMERS by one ".I couldn't find...
Hi,
is nRF9160 SiP comes with eSIM? or do I need to insert external SIM in socket which is traditional method?
Do I need to external chip antenna? does that antenna...
Hi:
Because our project using much nRF pin resources, we have to use the defualt function NFC pins (P0.09 and P0.10).we want to set these two pins as uart function ,but...
Hi everyone,
I m nRF52 beginner and trying to understand that functions.
I have the few of qustions about DFU.
1. Is it that the mean of DFU equels "OTA DFU" referred...
I'm looking for a way to reliably determine (from the applications viewpoint) if a notification was successfully transmitted. Currently, we're having some issues when the...
Hello,
I am new to nrF52 480 chip. I am working on SDK15.3.0_59ac345's beacon code but have no result in the attempt to add device name to the existing beacon example. ...
Hey guys. I was working on a PCA10059 dongle. Now, I need to select suitable NRF52840 module. I know that there are some changes required in the code when I use module like...
Good morning,
In order to save some user data in flash, I want to fix page size to 32 bytes. It will be more useful for me, and it will be easier according to my project...
I've been playing around with the UART drivers on SDK 15.2. No issues with the Legacy (w/DMA) however I've tried switching over the NRFX_UARTE driver and I can't get the driver...
Hi,
Our device is based on nRF52840 SDK 15.0.0
The device verifies signature of incoming messages (which were sent over BLE from PC application) using ECDSA with spec256r1...
Hey guys. I am making a firmware using nrf52840 dongle which scans nearby bluetooth devices. I do not want to connect to any device, just send scanning data to another device...
Hi Because I have a custom board with the nRF91 module, there is no possibility to send data to nRF cloud, because it works only with DK boards. I would like to send asset...
I want to use this sample application, to connect with nRF52832 DK loaded with Running Speed and Cadence Application. In other words I want to use nRF9160 as a gateway for...
Hello all,
my compiler can't find the definition to timer functions : nrf_drv_timer_init(), nrf_drv_timer_extended_compare() and nrf_drv_timer_enable(). bellow my code :...
