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 got an easy but fundamental question: How to make sure that the central sees the advertising package of the peripheral..
For example when the peripheral advertises only...
Hi,
I'm interested in 256kB Flash / 32kB RAM version of nRF51822 or nRF51422 (chip variant: QFAC/CFAC).
There is a fully integrated 3rd party module (like the BL600 that...
Hi. I am haveing trouble with the SD looseing connection to phone/ipad when I enable a power converter placed closed by. When I sniff the communication with the phone I can...
Hi Nordic Team,
I have designed an module with nRF51822QFAA, and took the reference of nRF51822 Dev-Kit for PCB antenna.
But i was not able to get the performace details...
Hello.
I need to count impulses going to nrf51822 in low power mode. I use the following code to configure GPIOTE and PPI to toggle counter and it works well:
#define...
Hi
I'm having some trouble with the read authorization giving me weird reply values.
In my application, I'm using a custom service called "Light Control" consisting...
Hello, I have inherited a (good) project in which the previous designer implemented a checksum using a value calculated from this:
char* pMemory = 0;
return crc16_ccitt...
If I want to recognize the specific beacon device in the smartphone app, how to read a specific uuid as major, minor beacon in the application?
I know the uuid with a unique...
Hello Everyone,
I want firmware revision to be added in advertisement packet how can i do it . is it ok to add it to manufacturer data or it is nordic proprietary .
...
I want to displayed Service and Info of Beacon. in App(Master Control Panel)
Now, State of my source is only Service displays.
What can I do to fix it? How do I fix...
HI, I have test mbed compiler with NRF51-DK ( I don't like Kail)
so I don't find tutorial or example for test BLE comunication
In particular, after install the new firmware...
Hello, I have 2 nRF51 DK PCA10028 models with 2 nRF51 DONGLE's.
First off, I am a student that is very interested in programming but teachers here can not teach me due...
hi,
Our customer find BLE's app_timer emerge a deviation when use the BLE's app_timer. the customer is developing bracelet product , their programs with two app_timer,...
Silly question, but I don't seem to be able to add a firmware-update .zip to the DFU 'sub-app' in the nRF Toolbox iOS app.
nRF Toolbox version 1.7
iOS Device: iPhone...
