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...
Hi,
I have been trying to implement a Bluetooth keyboard functionality using the nRF52DK. So, from my understanding, what the example program "ble_app_hids_keyboard" present...
I am trying to communicate between peripheral device (nordic nRF52840) with another device (let us say ubuntu device) with ubunutu as OS and Bluez bluetooth stack. I have...
I am trying to implement UART service which should act as both central and peripheral at a time.
So, I started implementing ble_uart peripheral service into the central...
Hi,
I'm testing the nrfutil tool for DFU in windows but it seems that when running nrfutil keys --gen-key private_key.txt I get " no such option: --gen-key" , using nrfutil...
Hello,
I have been developing firmware on a custom nRF51 board.
Upon testing firmware that involved BLE advertising,scanning, UART communication over BLE and FDS, i observed...
hi i have made gate opener for my farm, i am using MPU9250 and nrf52 to measure how much degree its open i am putting my MPU in cycle mode to wake up and take data, but it...
Hello
I would like to point out that I have no knowledge of electronics.
I am in the advanced stages of building a project on the basis of Adafruit feather nRF52832, The...
I am trying to test the fatfs example (SDK14) using the 10056 DK.
I do nothing modification and it results in...
<info> app: FATFS example started. <info> app: Initializing...
I realize I am like the hundredth person to have this problem but all the solutions I have found don't seem to work.
I am trying to add a simple header file to the nordic...
I am new to Nordic, I am able to compile and run examples on nRF52-DK.
I know there are examples are done for us but how I can develop my own project which use multiple...
I just replaced SDK 14.0 with the shiny new SDK 14.1 in my project. My project uses components from the SDK, but I don't use the exact same structure. Once again, it won't...
My Environment
Nrf52840
SDK : nrf51_15.0.0
soft device : s140
Target : Scanner (central)
I am trying to set GAP parameter for listening single channel that is...
i use sdk14.2 52832 i use uart
UART0_CONFIG_USE_EASY_DMA =1 consumption ~2.1mA
UART0_CONFIG_USE_EASY_DMA =0 consumption ~650uA
Is this a normal phenomenon, is it true...
