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 was wondering about that I did not found any information about dedicated pin usage.
I am using I2C/SPI and UART and did I understand it correctly that i can use...
My application has two firmwares with different offset addresses. One firmware sitting at 0x16000 and second one is at 0x25000. I want jump to the second application from...
I have an issue where after transmitting a radio package, is setting up the radio as receiver, get indication for reception (have indications for ADRESS and PAYLOAD events...
I programmed my beacons with ble_app_beacon (nordic firmware). android can locate my beacons without any problems.
I installed nrf connect app, it can find them too.
but...
Hello,
I'm using BLE, RTC and app_timer to blink a led.
I blink the led 10 times when I receive an order from BT (by means of NUS), and then by means of RTC.
uint32_t...
Hi. I'm very new to this so I hope you'll forgive me for my basic questions!
I would like to take data from multiple ANT fitness devices and send it to an iPhone application...
Hi,
I'm designing a 2 layer flex PCB with the nRF51822-CFAC WLCSP package and recommended ST BAL-NRF02D3 balun and i have chosen mono-pole antenna is a good choice,because...
I Programmed my beacon devices with this firmware:
ble_app_beacon.zip
the only app that can find my beacon on ios is nrf connect. in this firmware the uuid is this:
...
I am trying to change the app beacon example so that i can adapt the beacons value each time it advertises.
I am a bit confused as there is no callback function called...
Is there window 7 driver or library to support BLE in window 7?
I've found few questions, but could not find correct answer.
Please give me any guidance.
Thank you...
advertise.png hello there
in advertising packet i want something like first name of device and then service data and then manufacture data ??
how can i do that??
...
I made a board without external 32kHz crystal.
So, I changed NRF_CLOCK_LFCLKSRC source to NRF_CLOCK_LF_SRC_RC, which is used in ble_stack_init.
Now, I need to make DTM...
