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...
Every time I change a common source file within Kiel, the source file is changed for every project because (obviously) is a file common to all example projects.
Is there...
Is there a nordic guide which lists out the steps taken by the chip when going though a bonding process? I am trying to add as many RTT printouts as possible to know where...
finally I have done to implement that ADXL345 can throw data over BLE using nRF UART app service with this code . now my problem is how to change 2's complement ADXL345 data...
Hi,
We are using a nrf52832 in a serialized application with a STM32F4 and standard SPI as the transport layer. We are using the SDK V12 on the STM32 and softdevice S132...
Hello,
I want to add DFU fonction on my custom application. The final goal is to update my firmware from my custom app (not just once).
My setup is : SDK11 - nRF52832...
Hello All,
I am using the HRS example as reference from Nordic SDK14.1.
I have one central and 4 peripheral devices.
I have the MAC ID's for all the four peripherals...
Hello Nordic Experts,
I have One central device and and 4 peripheral devices.
At this point of time I am trying HRS example on it, the example is running fine with single...
Hi everyone,
We are trying to choose which protocol use for connecting devices based on Nordic SoCs.
We use devices in following way:
about 300 - 500 devices (wearable...
Hi there,
The dfu secure bootloader example is working fine with my nrf52832 sdk14.2 s132. but the experimental buttonless dfu in the example is not working for me. I was...
Hello,
I have nrf51 beacon that is protected from read. I want to recover it (erase and disable protection) but I only have st-link programmer. How can I do that? Maybe...
Hi,
I have been developing with nRF51 for some time and already implemented a nice 13.56MHz wireless charging circuit. Now that I'm moving to nRF52 I would like to keep...
Hello,
I have bought a bunch of nRF24L01+ chips online and just received them. How can I tell if they're genuine or fake? The markings are 24L01+ and 1712AB.
The boards...
Without making use of white list approach, can a BLE peripheral reject connection request sent by a BLE central?
I want my application layer to be notified when the BLE peripheral...
Hi,
DevZone displays incorrectly when single word length exceeds the width of the #ContentLeft
div. Instead of wrapping, it expands the div to accommodate, clobbering...
Hi all,
I'm using the nRF iOS Toolbox as a reference to design an app.
Can someone please help me in terms of which swift code file I need to use to read and write data...
