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 everyone,
I've just started to develop software for NRF51822 - Bluetooth Low Energy on the Evaluation Kit. I managed to connect the development dongle and evaluation...
Based s110_nrf51822_5.2.1_softdevice.hex and nRF51 SDK v. 4.4.1
When scanning iOS, why not click pair on the iOS side and NRF51822
connected on? whether the pair can be...
Hi,
I'm planning a hardware solution and I need a BLE IC capable of act as a master and a slave, not at the same time, but with the possibility to change it's role by software...
I used nrf8001 to implement ANCS.It working fine.But when it disconnect for a while and reconnect(reconnect successed).I found Iphone can't send any ANCS message to nrf8001...
Hi, I would like simplify the nRF24AP2-8CH signal RF output using a Balun with a chip antenna.
What is the best way: the 2450BM14A0002 from Johanson, the BAL-NRF01D3 from...
Hello all,
I have nRF51822 and after one attempt to use it as a sniffer I have erase the demo app or everything else on it. Since then I was unable to turn back as it as...
Hi,
I need to make it possible to allow connection to one specific central device. This with the thought that the user doesn't want to be bothered with bonding the device...
Hi,
I am having trouble in downloading firmware to my development kit. Previously, everything worked and the module already flashed with my BLE firmware. Today, as usual...
I wish to inform Nordic about this issue with jlink OB used on EK boards when used in OS X environment.
J-link OB returns " Can not connect to J-Link via USB." and a CDC...
Hi all -
I just received my nRF51422 V2 eval kit, eager to try it out.
I am fairly convinced I have all the latest nRFGo and SDK installed, fresh off the Nordic site....
my application is based on the BLE example: ble_app_hrs.
it works well before, but when I add some functions to configure the GPIOTE , and then download to the Device, it...
Hi,
We survey APPLE's ANCS right now!
But we have a question that need your help
We see the sample code experimental\ble_app_ancs
There are 1 base uuid and 3 service...
I'd like to have a short email dialogue with someone familiar with Arduino programming. Probably not a suitable forum topic; would someone be willing to email me? or.. message...
