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 Guys,
i'm a newbie, trying to get the heart rate demo project working.
I've connected the nRF8001 to my own hardware, using a PIC processor.
i'm able to connect...
Hi,
I have a question about the service profile (ex:heart rate service, battery service,etc...), these services are based on protocol of IEEE11073-20601? Actually, I want...
See subject. The softdevice is currently installed on the chip (v6.0.0-1.alpha)
I searched online, and found some information that the security state of the chip has been...
Hi all,
When I receive data from the phone app, I do it via this service handler (and it works):
err_code = ble_services_init(&my_device_service, ble_receive_handler...
error:-559038737 ...line:1128 file_name:src\ll_lm.s0.c
And I can't find this file, so can somebody help?
Why this happen? How can I do to avoid this？ It will cause reboot...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Hi
I would like to use the arm based energy micro MCU to update 51422 via UART
I've understood how the firmware update example with hci, but I need a set of hci api to...
Hello,
I in the nRF8002 data sheet it mentions a Programming tool for the nRF8002. Can you please send me the partnumber of this tool? Also, if a programming house wishes...
"Install the Master Control Panel and the nRF51822 Development Dongle (PCA10000)
Download and install the Master Control Panel from our website. Make sure to select...
Hi,
Been using nRF51822 before but on this new design I have an external MCU running the main duties.
I've been reading up a bit on both but would like to get some thoughts...
Hi nordic engineer:
I want to know the right process to delete the bonds when the device connected.
There is a button used for bonding. When it pressing by more than...
That means, that the nRF51822 is always allowed to send, but on it's receiving side, he could slow down the opponent side by using it's Rts line?
I now, I could archive that...
Hi,
I made simple command shell via UART. It works fine when I type commands in terminal by hand. But I run into troubles when BLE chip is fed from MCU that send characters...
When I connect my ble mouse to the PC win8.1 , media button works normal.
When I power off and power on my mouse, it reconnected to win8.1 PC quickly, sensor ,left button...
