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 need a product that will allow me to connect a PC to a Bluetooth device through its Bluetooth connection. I will need to be able to send data bytes from my PC across the...
Hi everyone,
I am a beginner with Nordic SDK. I followed the " Getting Started Assistant" and then try to open asset_tracker project on step 4. During the opening I got...
Hello,
The fds.c fds_register() has suspicious usage of atomic variables.
It is first checked if there is space in the m_cb_table, then m_cb_table is modified and only...
Hi, I am trying to add timer information to the sending packet. We created some space(manuf_data) to store data. However, the problem is we do not know how to put actual-time...
Quick Summary: - Devices used: nRF52832 (Central), nRF52840 (Peripheral)
Example based on : BLE Scanner
Hi Team,
In my current application, based on a BLE Scanner Example...
Hi,
I'm using the latest SDK v16. I got the following error when call peer_manager_init()
<debug> nrf_ble_lesc: Initialized nrf_crypto. <debug> nrf_ble_lesc: Initialized...
Is there a recommended way to inspect the state of the heap? I haven't found anything obvious yet. I'd mainly like to know the amount free, the largest block, and perhaps...
Hi,
I start developing with ble_app_template and DK
I combine uart spi twi into it
It can connect to my phone(nRF Connect APP)and work fine on DK
However when i use...
We want use Nordic chips as the transfer medium for our data frames in mesh-like network.
So we don't need ATT,GATT,GAP,SDP,SMP and all high-level things.
As I can see...
The Device State Manager (DSM) will erase the flash if any of the following parameters have changed since last boot.
DSM_NONVIRTUAL_ADDR_MAX
DSM_VIRTUAL_ADDR_MAX
DSM_APP_MAX...
Hi,
I am using SDK15.3 very well with Keil 5.28 ( I cannot update because my licence for 5.28) When i try to change my sdk from 15 to 16, i have problem. I tried change...
I have a custom nRF52832 device acting as a peripheral and a central. Acting as a central device it reads the device information from a nRF52832 peripheral device. Now I want...
Hi
We've some trouble with the UART (not UARTE) of the nRF52840. We use a baudrate of 38400. Because of HW limitations and power constrains, we do either have flow control...
