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, I'm new to this devices. I have several NRF52840 devices and i want to connect them to a Raspberry PI via BLE. I'm not using sensors yet, I just wanna establish a simple...
Hi,
I use nRF5 SDK v15.0.0. In my application I need to change Bluetooth identity address. I can not use BLE_GAP_ADDR_TYPE_RANDOM_STATIC address type, because I need to...
Hi,
I have migrated my projekt from SDK 14.2 to 15.2, the bootloader is basically the secure_bootloader example with some tiny adjustments. When I try to upgrade my product...
Hi all,
I encountered problems porting MbedOS based software which uses Bluetooth Low Energy from MbedOS 5.10 to 5.11 to use the extended features od BLE 5.0.
The ble...
I have interfaced two Nordic nRF52840 boards with one as master an other as slave .
In the image attached signals from down depicts Salve seelct,SCLk MOSI and MISO of Master...
I run into problem, I think for now resolved, but questions remain: Do I have to stop BLE whenever changing ADC config? What did not work?
I don't know why it does not...
Hi, we made a custom board with nrf52832 and flashed example code experimental_ble_app_blinky from sdk13.
We are trying to change the radio txpower other than 0db (default...
Hi all,
I have a nRF52840 development kit and flashed (I believed it flashed successfully) with direct test mode .hex file from SDK 15.2. What I facing was not able to run...
NRF52840 - SDK 15.0 + Some register based custom functions. S140, 6.0.0. In order to work around some of the hardware limitations with SPIM in the context of a project, we...
The PWM Driver has all sorts of fancy stuff for dealing with clever sequences - but I can't see anything to just set a simple, steady, fixed duty cycle!
How does one just...
I need to configure 2 devices as relay nodes in order to relay messages from the client node to the server node
How can i implement this in the light switch example ?
I know this has been asked a few years back, but wasnt sure if there were any changes to this. I want to be able to detect when a connected device is removed from windows...
Hi,
I use nRF5_SDK_15.2.0_9412b96\examples\dfu\secure_bootloader\pca10040_ble bootloader. I upload my app to my board using PCA10031 and nRF Connect v2.6.2 on Win10 and...
Hello,
Our board is based on nRF52832 with S132 5.1.0, without RTOS. Now we have a requirement to protect sensitive memory areas with MPU, so I'm trying to run firmware...
