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 have built a custom board using an nrf52810 chip and have been trying to upload some examples from the nrf52SDK (specifically BLE examples with the s112 SoftDevice...
Hi,
My nrf52840 dongle went to undefined state making all the leds on the board..Tried with different flavours of binaries but didnt got any luck the board remains in the...
Hi Supporter:
Hardware:nRF52840 dongle
Software: basic example "ble_app_interactive", s140_nrf52_6.1.1_softdevice
There is a strange problem,I connect my machine with...
Hi,
I've been trying to use a micro-USB cable to power the nRF52840 DK board but my Mac (Catalina version 10.15.6) isn't recognising the board in the system report, although...
When trying to add a user description to the BLEGattsCharMD() I get this error:
TypeError: in method 'ble_gatts_char_md_t_p_char_user_desc_set', argument 2 of type 'uint8_t...
Hello Nordic,
I am having an issue with the SPIM, i wanted to eliminate all unnecessary files so I started a project from Zero (Segger: new project: A cc++ solution for...
Hi,
Our application sends data to android phones with the help of OTG cables. We are using https://github.com/hariharan-m/Arduino-Android-USB this library in android for...
Hi All,
I have transferred an init packet and now prepare to transfer a firmware image.
Both central master and peripheral are nrf52840.
However, I have two questions...
Hi all,
I have been learning and doing research trying to estimate the range of a bluetooth chip. So far I've got to use Friis Transmission Equation to estimate the distance...
Hi, dear all:
I’m trying to use usbd_msc example(nrf 52840 DK/sdk 17.0.2 ) and written a string A (8 bytes) into a .txt file;
Now I want write the same file another string...
Hi,
I've recently added BT to my application and switched from S210 to S310 Softdevice. My Ant+ part is based on the HR RX example in SDK10. My BT part is basically copied...
Hello Everyone, I am generating firmware hash using an hash function provided by an external library and using CODE_START and CODE_SIZE macros in app_util.h , So i wanted...
Hi,
We are currently testing the zigbee_light example for nrf52840dk. Once in the debug stage, if we pause program execution and then resume it we find out that codes gets...
Windows 10
nrfjprog version 10.10.0
jlink mini - connected to Windows 10 USB port, try to run any nrfjprog command and it says there is no debugger connected to PC.
...